2,256 results match your criteria Anais da Academia Brasileira de Ciencias[Journal]


Performance and egg quality of laying hens fed with mineral sources and rosemary oil.

An Acad Bras Cienc 2019 Feb 7;91(2):e20180516. Epub 2019 Feb 7.

Vet Science Nutracêuticos Ltda., Avenida Paranavaí, Parque Industrial Bandeirantes, 87070-130 Maringá, PR, Brazil.

In order to evaluate the effect of rosemary oil and micro mineral sources on the performance and egg quality of laying hens, 288 hens were used and distributed in a completely randomized design using a 2x3 factorial (mineral sources x rosemary oil) with six different diets and six replications. Diets were formulated containing inorganic or organic minerals, with or without added rosemary oil (100 and 200 mg kg-1). The treatments showed interaction for average egg weight, yolk color, albumen and yolk percentage, with significant results from the use of organic minerals compared to inorganic minerals. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820180516DOI Listing
February 2019

Molecular epidemiology of 16S rRNA methyltransferase in Brazil: RmtG in Klebsiella aerogenes ST93 (CC4).

An Acad Bras Cienc 2019 17;91(suppl 1):e20180762. Epub 2018 Dec 17.

Laboratório de Química e Função de Proteínas e Peptídeos, Centro de Biociências e Biotecnologia, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Av. Alberto Lamego, 2000, P5, Sala 217, 28013-602 Campos dos Goytacazes, RJ, Brazil.

Aminoglycosides are a class of antibiotics that play a key role in antimicrobial treatment of Multidrug resistant (MDR) Gram-negative bacilli, typically in combination with β-lactams. Ribosomal 16S RNA modification by methyltransferases (e.g. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-376520182018762DOI Listing
December 2018
2 Reads

Baalsaurus mansillai gen. et sp. nov. a new titanosaurian sauropod (Late Cretaceous) from Neuquén, Patagonia, Argentina.

An Acad Bras Cienc 2019 17;91Suppl 2(Suppl 2):e20180661. Epub 2018 Dec 17.

ICB, Universidad Nacional de Cuyo, Laboratorio de Paleovertebrados, IANIGLA-CRICYT, CONICET, Avda. Ruiz Leal s/n, Parque General, San Martín 5500, Mendoza, Argentina.

We describe a dentary of a new titanosaur sauropod, Baalsaurus mansillai, gen. et sp. nov. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820180661DOI Listing
December 2018
4 Reads

Anticipating the response of the Brazilian giant earthworm (Rhinodrilus alatus) to climate change: implications for its traditional use.

An Acad Bras Cienc 2019 17;91(1):e20180308. Epub 2018 Dec 17.

Population Ecology and Socio-Ecological Systems Laboratory, Department of Biology, Federal University of Minas Gerais, Av. Pres. Antônio Carlos, 6627, Pampulha, 31270-901 Belo Horizonte, MG, Brazil.

Our understanding of the impacts of ongoing global warming on terrestrial species has increased significantly during the last several years, but how climatic change has affected, and will affect, the distribution of earthworms remains largely unknown. We used climate niche modeling to model the current distribution of the giant earthworm Rhinodrilus alatus - an endemic species of the Cerrado Domain in Brazil, which is traditionally harvested and commercialized for fishing bait. R. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820180308DOI Listing
December 2018
2 Reads

Ecotoxicology assay for the evaluation of environmental water quality in a tropical urban estuary.

An Acad Bras Cienc 2019 17;91(1):e20180232. Epub 2018 Dec 17.

Programa de Pós-Graduação em Ecologia e Conservação, Universidade Federal de Sergipe/UFS, Av. Marechal Rondon, s/n, 49100-000 São Cristóvão, SE, Brazil.

Most studies evaluating the impacts of river pollution in the semi-arid region of Brazil have been geared towards physiochemical analyses, and investigations of the adverse effects of water pollution on associated organisms are scarce. This study aimed to evaluate the water quality in the Poxim river estuary in Aracaju, Sergipe throughout the dry and rainy season by evaluating the survival of the microcrustacean Mysidopsis juniae and physicochemical analyses. The evaluation of physiochemical parameters revealed a decrease in dissolved oxygen content in the rainy season. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820180232DOI Listing
December 2018
2 Reads

Effects of Aliskiren, an RAAS inhibitor, on a carrageenan-induced pleurisy model of rats.

An Acad Bras Cienc 2019 17;91(1):e20180106. Epub 2018 Dec 17.

Faculty of Medicine, Department of Pharmacology, Ataturk University Campus 25240, Erzurum, Turkey.

Our aim is to investigate the potentially preventive effects of Aliskiren in a carrageenan-induced lung pleurisy model and to compare the standard anti-inflammatory agents, indomethacin and dexamethasone. The pleurisy model was induced through the injection of carrageenan (0.2 ml-%2) into the pleural cavity. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820180106DOI Listing
December 2018
1 Read

Antidiarrheal effect of extract from the bark of Combretum leprosum in mice.

An Acad Bras Cienc 2019 17;91(1):e20170932. Epub 2018 Dec 17.

Coordenação de Fisioterapia, Centro de Ciências da Saúde, Universidade Estadual do Piauí, Rua Olavo Bilac, 2335, Centro (Sul), 64001-280 Teresina, PI, Brazil.

This study investigated the effects of the ethanolic extract from the bark of Combretum leprosum (ECL) on intestinal transit and castor-oil induced diarrhea in mice. The oral administration of ECL (750 and 1000 mg/kg) slowed intestinal transit (ID50 of 455 mg/kg). The ECL (250-1000 mg/kg) reduced castor-oil induced diarrhea, in a time- and dose-dependent manner (p < 0. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820170932DOI Listing
December 2018
2 Reads

Zooplankton community attributes in an oligo-mesotrophic reservoir: A comparative study of two sampling strategies.

An Acad Bras Cienc 2019 17;91(1):e20170807. Epub 2018 Dec 17.

Núcleo de Estudos Limnológicos, Departamento de Zoologia, Instituto de Biociências, Centro de Ciências Biológicas e da Saúde, Universidade Federal do Estado do Rio de Janeiro/UNIRIO, Av. Pasteur, 458, 22290-240 Rio de Janeiro, RJ, Brazil.

Studies of the limnetic zooplankton in Brazilian freshwater have been done using several sampling strategies which are frequently associated to personal preferences, system constraints and objectives of the studies. It is known that a better sampling technique exists for each group of investigated zooplankton. So, the challenge is to provide a good sampling method for all groups at once. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820170807DOI Listing
December 2018
2 Reads

Lizard assemblages on sandy coastal plains in southeastern Brazil: An analysis of occurrence and composition, and the role of habitat structure.

An Acad Bras Cienc 2019 17;91(1):e20170403. Epub 2018 Dec 17.

Departamento de Ecologia, Instituto de Biologia Roberto de Alcântara Gomes, Universidade do Estado do Rio de Janeiro, Rua São Francisco Xavier, 524, Maracanã, 20550-019 Rio de Janeiro, RJ, Brazil.

Data on the structure of lizard communities in the different biomes and ecosystems of Brazil are still limited. In this study, we related the species richness, abundance and the spatial occurrence of lizards to the structure of the vegetation found on the coast of the state of Espírito Santo, southeastern Brazil, to determine whether habitat influences the structure of lizard communities. We conducted fieldwork in 2012, 2013 and 2014, collecting data in standardized samples. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820170403DOI Listing
December 2018
2 Reads

Antifungal susceptibility of yeasts isolated from anthropogenic watershed.

An Acad Bras Cienc 2019 17;91(1):e20170369. Epub 2018 Dec 17.

Departamento de Microbiologia, Imunologia e Parasitologia, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul/UFRGS, Rua Sarmento Leite, 500, 90050-170 Porto Alegre, RS, Brazil.

Yeasts are unicellular fungi widespread in the environment, and studies suggest that there is a positive correlation between yeast and polluted aquatic environments. The aim of this study was to analyze the diversity and resistance of yeasts isolated from water samples collected along the Arroio Dilúvio in Porto Alegre to antifungals. Yeast isolates from the Arroio Dilúvio were subjected to susceptibility assays against antifungals using the minimum inhibitory concentration (MIC) test, and amplification of the ITS1-5. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820170369DOI Listing
December 2018
2 Reads

Soil Physical Quality in Agricultural Systems on the Cerrado of Piauí State, Brazil.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3975-3989

Programa de Pós-Graduação em Agronomia (Solo e Água), Escola de Agronomia, Universidade Federal de Goiás, Avenida Esperança, s/n, 74690-900 Goiânia, GO, Brazil.

Soil quality is essential for maintaining the sustainability of agro-ecosystems and ecosystem services provided by this natural resource. The present study aimed to assess the physical quality of soil through the characterization of the physical properties in grain production systems in the Southwest region of Piauí State, Brazil. The study was carried out in the Cerrado region of Piauí in four cities in areas of expansion of the agricultural frontier of the state: Baixa Grande do Ribeiro, Sebastião Leal, Uruçuí and Bom Jesus. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820180681DOI Listing
February 2019
12 Reads

Population suppression of Ceratitis capitata (Wiedemann) on table grapes using toxic baits.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3963-3973

Laboratório de Entomologia, Empresa Brasileira de Pesquisa Agropecuária/EMBRAPA, Embrapa Uva e Vinho, Rua Livramento, 515, 95701-008 Bento Gonçalves, RS, Brazil.

To provide alternatives to the use of spraying synthetic insecticides in C. capitata management, was evaluated the effect of "attract and kill" toxic baits on population suppression of C. capitata in three commercial areas producing table grapes. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820180707DOI Listing
February 2019
2 Reads

Relationship between biochemical and photosynthetic traits with Asian soybean rust.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3925-3940

Empresa Brasileira de Pesquisa Agropecuária/EMBRAPA, Rodovia Carlos João Strass, Acesso Orlando Amaral Warta, 86001970 Londrina, PR, Brazil.

Asian soybean rust (Phakopsora pachyrhizi - ASR) is one of the major diseases that occur in soybean and causes great damage to commercial crops. Therefore, the goal of this work was to investigate the relationship between biochemical and photosyntetic parameters in soybean with ASR. Two experiments were performed in a randomized complete block with three treatments (water, Tween 20, and methyl jasmonate). Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820170795DOI Listing
February 2019
9 Reads

Growth of cactus pear cv. Miúda under different salinity levels and irrigation frequencies.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3893-3900

Universidade Federal Rural de Pernambuco, Departamento de Zootecnia, Rua Manoel de Medeiros, s/n, Dois Irmãos, 52171-900 Recife, PE, Brazil.

Soil and water salinity are considered the main limiting factors of plant production. This work aimed to evaluate the influences of irrigation frequency and soil salinity on the development of cactus pear cv. Miúda (Nopalea cochenillifera Salm Dyck). Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820171033DOI Listing
February 2019
1 Read

Combination of fixative agents and fixation times to visually differentiate the cortical from the medullary layer in bovine adrenal glands.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3887-3891

Departamento de Zootecnia, Faculdade de Ciências Agrárias e Veterinárias, Universidade Estadual Paulista/UNESP, Via de acesso Paulo Donato Castelane, s/n, 14884-900 Jaboticabal, SP, Brazil.

Chronic stress exposure commonly increases adrenals weight and changes their morphology. This study aimed to compare four methods to delimitate the cortical and medullary layers of adrenals glands in Nelore bulls. Fresh adrenals did not present differentiation between layers. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820170941DOI Listing
February 2019
5 Reads

Welfare indicators for laying Japanese quails caged at different densities.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3791-3797

Granja Kakimoto, Estrada Seção Cascata, Km 7, 17690-000 Bastos, SP, Brazil.

In the way to reduce costs in the poultry production, high densities of birds are adopted in the production systems. Such high densities can lead to an inappropriate environment, compromising the welfare and decreasing the animal performance. In this work we aimed to evaluate the effects of different densities on the productive yield, egg quality and immunological aspects of Japanese quails. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820180276DOI Listing
February 2019
7 Reads

Sunflower protein concentrate and crambe protein concentrate in diets for silver catfish Rhamdia quelen (Quoy and Gaimard, 1824): use as sustainable ingredients.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3781-3790

Departamento de Zootecnia, Centro de Ciências Rurais, Universidade Federal de Santa Maria, Av. Roraima, 1000, 97105-900 Santa Maria, RS, Brazil.

The objective of this study was to evaluate growth and metabolic parameters of silver catfish fed with protein concentrates of sunflower meal (SMPC) and crambe meal (CrMPC). The study evaluated two levels of substitution, where 25 or 50% of animal protein was replaced with plant-based protein. A total of 300 silver catfish (14 ± 0. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820170991DOI Listing
February 2019
3 Reads

Impact of percentage and particle size of sugarcane biochar on the sorption behavior of clomazone in Red Latosol.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3745-3759

Laboratório de Química Analítica/LAQUA, Departamento de Química, Universidade Federal de Viçosa, Avenida Peter Henry Rolfs, s/n, Campus Universitário, 36570-900 Viçosa, MG, Brazil.

Biochar is a carbonaceous material that has excellent potential as a fertilizer and soil conditioner. However, there is a lack of information concerning the effects of the amount and particle size of this pyrogenic material on the soil sorption capacity. In this work, evaluation was made of changes in clomazone (CMZ) sorption in a Red Latosol following soil conditioning using different percentages (0. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820180135DOI Listing
February 2019
2 Reads
0.875 Impact Factor

Effects of maternal artificial vocalization on hyperprolific lactating sows and piglets behavior.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3675-3683

Departamento de Zootecnia, Universidade Federal de Lavras/UFLA, Avenida Sul, s/n, 37200-000 Lavras, MG, Brazil.

The objective of this trial was to evaluate the behavioral patterns and performance of lactating sows and their litters under the effect of artificial vocalization. Twenty-eight sows and their litters were distributed in a completely randomized design in a 2x2 factorial scheme (artificial vocalization x lactation week). The behavior of the animals was monitored during 24 hours on the 7th and 15th days of lactation, analyzing the number, interval, and frequency of nursings. Read More

View Article

Download full-text PDF

Source
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S
Publisher Site
http://dx.doi.org/10.1590/0001-3765201820180340DOI Listing
February 2019
9 Reads

Consortium of five fungal isolates conditioning root growth and arbuscular mycorrhiza in soybean, corn, and sugarcane.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3649-3660

Instituto de Ciências Agrárias, Universidade Federal de Uberlândia, Avenida Amazonas, s/n, Campus Umuarama, 38400-902 Uberlândia, MG, Brazil.

Plant growth and arbuscular mycorrhizal colonization were studied in sugarcane, corn and soybean by applying five plant growth promoting fungi: Beauveria bassiana, Metarhizium anisopliae, Pochonia chlamydosporia, Purpureocillium lilacinum, and Trichoderma asperella. Sugarcane, corn and soybean were grown in pots under two treatments: (1) inoculation with the fungal consortium and (2) control without inoculation. In the inoculated treatment, fungal spore suspension were applied to the seeds and shoots were sprayed every 28 days. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820180161DOI Listing
February 2019
2 Reads

Sequential sampling plan for fruit fly species of the Genus Anastrepha (Diptera: Tephritidae) in guava orchards.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3607-3614

Programa de Pós-Graduação em Entomologia, Universidade Federal de Pelotas, Instituto de Biologia, Departamento de Ecologia, Zoologia e Genética, Laboratório de Ecologia de Insetos, Caixa Postal 354, 96010-900 Pelotas, RS, Brazil.

This study aimed to elaborate a sequential sampling plan for Anastrepha species in commercial orchards of guava Psidium guajava Novo Milênio cultivar. Samplings were carried out in three orchards in the State of Mato Grosso do Sul. Fruit flies were sampled for 23 weeks. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820180211DOI Listing
February 2019
9 Reads

Physical-mechanical characterization of two amazon woods coming from the second cutting cycle.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3565-3572

Laboratório de Tecnologia da Madeira, Universidade Federal do Oeste do Pará, Av. Vera Paz, s/n, 68035-110 Santarém, PA, Brazil.

Due to changes in the Amazon forest dynamics after the first cutting cycle, non exploited species become dominant in the forest. The lack of technological knowledge makes it hard to commercialize these woods, making the understanding of their physical-mechanical properties a fundamental step to properly define their applications. This study aimed to characterize physically and mechanically the wood of Pseudopiptadenia psilostachya and Eschweilera ovata from the second cutting cycle of the Tapajós National Forest, intending to commercially promote and to identify usages for them, as well as to evaluate the viability of replacement of highly commercialized species. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820170845DOI Listing
February 2019
2 Reads

Potentialities and limitations of agricultural use in soils of semi-arid region of the state of Bahia.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3373-3387

Empresa Brasileira de Pesquisa Agropecuária, Embrapa Solos, UEP Recife, R. Antônio Falcão, 402, Boa Viagem, 51020-240 Recife, PE, Brazil.

The objective of this study was to evaluate the potentialities and limitations of the agricultural use of representative classes of semi-arid regions of the state of Bahia, based on the pedological and evaluation of their soil characteristics. Five areas were selected where trenches were opened to collect samples for the analyses: Eutric Haplustept which presents vulnerability to physical and chemical degradation due to poor drainage with risks of erosion, waterlogging, salinization and compaction but having good natural fertility; Abrupt Kandiustalf with high vulnerability to physical degradation due to the presence of gravel and pebbles which may limit the development of deep rooting plants and mechanization but also with good natural fertility; Typic quartzipsaments and Typic Eutrustalf with no limitations related to drainage as low risk of compaction but featuring limitation of low moisture-holding capacity and nutrients; and Arenic Haplustulf wose characteristics are high vulnerability to degradation due to the drainage limitation related to the Btx horizon cementing in addition to low natural fertility and therefore is not recommended to agricultural use. However, in general, they feature no serious impediments for agricultural use. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820180029DOI Listing
February 2019
3 Reads

Free phenolic compounds extraction from Brazilian halophytes, soybean and rice bran by ultrasound-assisted and orbital shaker methods.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3363-3372

Programa de Pós-Graduação em Engenharia e Ciência de Alimentos, Universidade Federal do Rio Grande/FURG, Laboratório de Micotoxinas e Ciência de Alimentos, Escola de Química e Alimentos/EQA, Av. Itália Km 8, 96203-900 Rio Grande, RS, Brazil.

In several countries halophytes are commercially cultivated in low saline or even irrigated with seawater, as well as with saline aquaculture effluent, like a sea asparagus Sarcocornia ambigua, that show a biotechnological potential for bioactive compounds production. However, their recovery from matrix is sometimes inefficient because the lignocellulosic materials difficult the solvent action when drastic conditions are not applied. The ultrasound-assisted extraction (UAE) was optimized by a central composite rotational design for recovery free phenolic compounds (FPC) from the sea asparagus S. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820170745DOI Listing
February 2019
2 Reads

Plant growth, radiation use efficiency and yield of sugarcane cultivated in agroforestry systems: An alternative for threatened ecosystems.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3265-3283

Departamento de Ciências Agronômicas e Ambientais, Universidade Federal de Santa Maria, Campus de Frederico Westphalen, Linha Sete de Setembro, s/n, BR 386, Km 40, 97105-900 Frederico Westphalen, RS, Brazil.

Sugarcane (Sacharum officinarum L.) monocropping has had a great socio-economic and environmental impact in Brazil, and agroforestry systems have been considered as an alternative for more sustainable production; however, there is a lack of field research under such conditions. The aim of this study was to evaluate the growth rates, radiation use efficiency and yield traits in sugarcane cultivated in the understory of Aleurites fordii, in two agroforestry arrangements and monocropping systems. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820160806DOI Listing
February 2019
2 Reads

Plant densities and harvesting times on productive and physiological aspects of Stevia rebaudiana Bertoni grown in southern Brazil.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3249-3264

Universidade Federal do Paraná, Setor de Ciências Agrárias, Departamento de Fitotecnia e Fitossanitarismo, Programa de Pós-Graduação em Agronomia, Produção Vegetal, Rua dos Funcionários, 1540, Bairro Juvevê, 80035-050 Curitiba, PR, Brazil.

Stevia (stevia rebaudiana Bertoni) is a species characterized by producing non-caloric substances with high sweetening potential. Among these substances, rebaudioside A and stevioside are produced in greater quantity. Plant density and harvesting time are factors that affects biomass and sweetening compounds yield in this species. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820170510DOI Listing
February 2019
2 Reads

A Dangerous Mistake: Research as a Commodity in University Institutions.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3241-3242

Facultad de Ciencias Humanas, Universidad Científica del Sur, Carretera Panamericana Sur, 42, Km 19, Lima, Peru.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820170537DOI Listing
December 2018
2 Reads

Multivariate analysis relating milk production, milk composition, and seasons of the year.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3839-3852. Epub 2018 Nov 1.

Departamento de Zootecnia e Ciências Biológicas, Universidade Federal de Santa Maria, Campus de Palmeira das Missões. Av. Independência, 3751, 98300-000 Palmeira das Missões, RS, Brazil.

Our objective was to quantify the relationship between seasons of the year, milk production, and milk composition of a dairy farm based on data for 48 consecutive months, using multivariate statistical analyses. The dataset contained information on productive indexes and milk composition from the bulk tank milk, which was measured from milk samples, collected monthly and used to determine the total dry extract and defatted dry extract, lactose, fat, protein, somatic cell count, and total bacterial count. Seasons of the year and milk production/hectare were also considered. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820180345DOI Listing
February 2019
9 Reads

Neuroscience: unveiling the brain of Saimiri collinsi (Squirrel Monkey).

An Acad Bras Cienc 2018 Oct-Dec;90(4):3597-3606. Epub 2018 Nov 1.

Faculdade de Medicina Veterinária, Universidade Federal Rural da Amazônia, Av. Perimetral, 2051, Terra Firme, 66077-830 Belém, PA, Brazil.

Behavioral intelligence among non-human primates is a somewhat puzzling area to study, since it is closely linked to the morphology of the central nervous system. However, this morphology is still unknown to science in the case of Saimiri collinsi. As a means of assisting future studies on the social behavior of this species, we analyzed the brains of six adult females from the National Primate Center / Pará, which were sent to the Animal Morphological Research Laboratory at the Federal Rural University of Amazônia after death by natural causes. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820180328DOI Listing
February 2019
3 Reads

Molecular marker assisted selection for increasing inbreeding in S1 populations of cassava.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3853-3869. Epub 2018 Nov 1.

Embrapa Mandioca e Fruticultura, Rua da Embrapa, s/n, Caixa Postal 007, 44380-000 Cruz das Almas, BA, Brazil.

The objective of the present work was to use MAS in self-pollinated cassava populations for obtaining individuals with high inbreeding (f) aimed at rapid development of partial inbred lines. Three progenies (F0222, F1378 and F1662) were self-pollinated, generating a total of 233 S1 individuals. The progenies and the S1 individuals were evaluated in the seedlings and clonal evaluation trials (CETs). Read More

View Article

Download full-text PDF

Source
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S
Publisher Site
http://dx.doi.org/10.1590/0001-3765201820180278DOI Listing
February 2019
13 Reads

Athelia (Sclerotium) rolfsii in Allium sativum: potential biocontrol agents and their effects on plant metabolites.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3949-3962. Epub 2018 Nov 1.

Departamento de Agricultura, Universidade Federal de Lavras/UFLA, Câmpus Universitário, Caixa Postal 3037, 37200-000 Lavras, MG, Brazil.

Garlic (Allium sativum L.) plays an important role in popular culture due to its dietary and medicinal uses. It is also used to produce a wide range of pharmacologically interesting molecules. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820180208DOI Listing
February 2019
13 Reads

One-eye-set sugarcane susceptibility to weed interference.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3513-3523. Epub 2018 Nov 1.

Universidade Estadual Paulista/UNESP/FCAV, Departamento de Biologia Aplicada à Agropecuária, Via de Acesso Prof. Paulo Donato Castellane, s/n, 14884-900 Jaboticabal, SP, Brazil.

The new technology of sugarcane planting, known as one-eye-set seedlings, offer a high standard of plant health and vegetative vigor. However, there are no reports in the literature that evaluate the weed competition with one-eye-set sugarcane seedlings, and the periods in which weed communities need to be controlled in this system. Two interference experiments were conducted in field conditions. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820180166DOI Listing
February 2019
16 Reads

Assessment of the yield loss imparted by Orobanche aegyptiaca in tomato in Pakistan.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3559-3563. Epub 2018 Nov 1.

Department of Life Sciences, Islamia University of Bahawalpur, 63100, Pakistan.

Broomrapes (Orobanche sp.) are root holoparasitic plants causing severe damage to various families of horticultural crops. A Preliminary survey was carried in tomato fields infested with orobanche in Potohar plateau of Pakistan. Read More

View Article

Download full-text PDF

Source
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S
Publisher Site
http://dx.doi.org/10.1590/0001-3765201820180098DOI Listing
February 2019
7 Reads
0.880 Impact Factor

Spatial Distribution of Euschistus heros (Hemiptera: Pentatomidae) in Cotton (Gossypium hirsutum Linnaeus).

An Acad Bras Cienc 2018 Oct-Dec;90(4):3483-3491. Epub 2018 Nov 1.

Universidade Federal da Grande Dourados, Faculdade de Ciências Biológicas e Ambientais, Rodovia Dourados/Itahum, Km 12, Cidade Universitária, Caixa Postal 364, 79804-970 Dourados, MS, Brazil.

Recently, the Neotropical brown stink bug, Euschistus heros (Pentatomidae: Hemiptera), has been detected in cotton in the Brazilian Cerrado. Several reliable surveys have been conducted on the spatial distribution of stink bugs in soybean; however, few studies have examined the behavior of this insect in cotton in Brazil. Thus, this study examined the spatial distribution of E. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820170396DOI Listing
February 2019
14 Reads

Hematological and biochemical profile of BALB/c nude and C57BL/6 SCID female mice after ovarian xenograft.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3941-3948. Epub 2018 Oct 25.

Laboratório de Transplantes Gonadais e Produção In Vitro de Embriões/LTG-PIVE, Departamento de Ciências Animais, Universidade Federal Rural do Semi-Árido/UFERSA, Avenida Francisco Mota, 572, 59625-900 Mossoró, RN, Brazil.

Hematological and biochemical profile studies help to evaluate functional changes of animals used in experiments. The aim of this study was to determine the hematological and biochemical profile of immunosuppressed BALB/c nude and C57BL/6 SCID mice after bovine ovarian xenotransplantation. Therefore, a total of 74 female mice were divided into four groups: non-xenotransplanted animals, xenotransplanted animals, xenotransplanted animals treated with eCG and xenotransplanted animals treated with FSH + LH. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820180586DOI Listing
February 2019
2 Reads

Bibliometric Analysis for Pattern Exploration in Worldwide Digital Soil Mapping Publications.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3911-3923. Epub 2018 Oct 25.

Departamento de Agricultura, Biodiversidade e Florestas, Universidade Federal de Santa Catarina, Rodovia Ulysses Gaboardi, Km 3, 89520-000 Curitibanos, SC, Brazil.

Bibliometric analyses provide a clear understanding of the scientific performance and relate them with standards of the global scientific production. Soil science is an outstanding and developing field among environmental sciences. Knowledge about soil characteristics and their distribution in the environment has been enriched by the use of new geotechnologies, resulting in what is known as digital soil mapping. Read More

View Article

Download full-text PDF

Source
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S
Publisher Site
http://dx.doi.org/10.1590/0001-3765201820180423DOI Listing
February 2019
16 Reads

The rates and players of denitrification, dissimilatory nitrate reduction to ammonia (DNRA) and anaerobic ammonia oxidation (anammox) in mangrove soils.

An Acad Bras Cienc 2019 25;91(suppl 1):e20180373. Epub 2018 Oct 25.

Department of Soil Science, "Luiz de Queiroz" College of Agriculture, University of São Paulo, Avenue Pádua Dias 11, 13418-900 Piracicaba, SP, Brazil.

Mangroves are ecosystems located in the transition zone between land and sea, characterized by periodic flooding that confer to its unique characteristics. Little is known about the transformation of nutrients that occur during the organic matter degradation in this system. In this study, we monitor the nitrogen transformations in soils from three mangroves with distinct levels of contamination using labeled 15NO3-. Read More

View Article

Download full-text PDF

Source
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S
Publisher Site
http://dx.doi.org/10.1590/0001-3765201820180373DOI Listing
October 2018
4 Reads

Isolation and prospection of diazotrophic rhizobacteria associated with sugarcane under organic management.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3813-3829. Epub 2018 Oct 25.

Laboratório de Microbiologia Ambiental e Biotecnologia, Departamento de Biotecnologia, Instituto de Patologia Tropical e Saúde Pública, Universidade Federal de Goiás, Av. Universitária, s/n, 74605-050 Goiânia, GO, Brazil.

Microorganisms associated with organic management are essential in nutrient transformation and release for plant use. The present study aimed to isolate, identify and characterize plant growth promoting diazotrophic rhizobacteria associated with sugarcane under organic management. Rhizospheres of organic sugarcane varieties IAC 911099 and CTC4 were sampled and inoculated onto nitrogen free NFb and Burk media. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820180319DOI Listing
February 2019
8 Reads

Fertility Life Table, Population Parameters and Biotic Potential of Helicoverpa gelotopoeon (Dyar) (Lepidoptera: Noctuidae).

An Acad Bras Cienc 2018 Oct-Dec;90(4):3831-3838. Epub 2018 Oct 25.

Instituto de Tecnología Agroindustrial del Noroeste Argentino/ITANOA-CONICET, Av. William Cross, 3150, Las Talitas, 4001 Tucumán, Argentina.

Helicoverpa gelotopoeon is an endemic pest of South America that affects soybean and other important crops. Life tables are a fundamental tool used to study insect populations, resulting in crucial information for integrated pest management programs. Therefore, the aim of this study was to evaluate the biotic potential and the construction of a life table of this species under laboratory conditions. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820180318DOI Listing
February 2019
3 Reads

Physicochemistry, microbiology, fatty acids composition and volatile profile of traditional Söğle tulum (goat's skin bag) cheese.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3661-3674. Epub 2018 Oct 25.

Department of Food Engineering, Institute of Natural and Applied Sciences, Burdur Mehmet Akif Ersoy University, Istiklal Campus, 15030 Burdur, Turkey.

Söğle cheese is a type of traditional tulum (goat's skin bag) cheese produced from goat's milk or a mixture of goat's and sheep's milk in Küçük Söğle and Büyük Söğle villages, Antalya, Turkey. This is the first study that aimed to investigate the physicochemistry, microbiology, fatty acids composition and volatile profile of traditional Söğle cheeses ripened in goat's skins for three months in wells. The pH and titratable acidity values, total solids, fat, protein and salt contents of the Söğle cheese samples ranged from 4. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820180310DOI Listing
February 2019
5 Reads

Dynamics of solar radiation and soybean yield in agroforestry systems.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3799-3812. Epub 2018 Oct 25.

Departamento de Engenharia Florestal, Universidade Federal do Paraná, Avenida Prefeito Lothário Meissner, 900, Jardim Botânico, 80060-000 Curitiba, PR, Brazil.

Soybean (Glycine max L.) monocropping have had a great socio-economic and environmental impact on the world and agroforestry systems has been considered an alternative for more sustainable production. The aim of this study was to evaluate the effect of different arrangements of agroforestry systems of the species E. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820180282DOI Listing
February 2019
3 Reads

Robust volumetric models for supporting the management of secondary forest stands in the Southern Brazilian Atlantic Forest.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3729-3744. Epub 2018 Oct 25.

Universidade Regional de Blumenau/FURB, Departamento de Engenharia Florestal, Rua São Paulo, 3250, Itoupava Seca, 89030-000 Blumenau, SC, Brazil.

The majority of Atlantic Forest fragments in Southern Brazil are second-growth forests dominated by fast-growing species with considerable market-value timber. Nevertheless, volume prediction models are scarce, especially to estimate tree total volume (i.e. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820180111DOI Listing
February 2019
3 Reads

Growth and production of volatile compounds of yarrow (Achillea millefolium L.) under different irrigation depths.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3901-3910. Epub 2018 Nov 1.

Laboratório de Cultura de Tecidos e Plantas Medicinais, Departamento de Agricultura, Universidade Federal de Lavras, Caixa Postal 3037, 37200-000 Lavras, MG, Brazil.

Yarrow (Achillea millefolium L., Asteraceae) is an important medicinal plant used worldwide for its medicinal properties such as the analgesic, antioxidant and anti-inflammatory ones. The aim of this study was to evaluate the growth and production of photosynthetic pigments and of volatile constituents of Achillea millefolium L. Read More

View Article

Download full-text PDF

Source
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S
Publisher Site
http://dx.doi.org/10.1590/0001-3765201820180092DOI Listing
February 2019
6 Reads

The effects of an osmoregulator, carbohydrates and polyol on maturation and germination of 'Golden THB' papaya somatic embryos.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3433-3447. Epub 2018 Oct 25.

Departamento de Ciências Florestais e da Madeira, Centro de Ciências Agrárias e Engenharias, Universidade Federal do Espírito Santo, Avenida Governador Lindemberg, 316, Centro, 29550-000 Jerônimo Monteiro, ES, Brazil.

This study evaluated the effect of osmoregulators and carbohydrates on the maturation and germination of somatic embryos of papaya 'Golden THB'. Cotyledon explants from papaya seedlings germinated in vitro on basal MS medium were cultured on somatic embryogenesis induction medium (IM) containing MS salts, myo-inositol, sucrose, agar and p-chlorophenoxyacetic acid. After 50 days, embryogenic calli were transferred onto maturation media (MM) for 45 additional days. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820171035DOI Listing
February 2019
13 Reads

Management of pruning and evaluation in blackberry cultivars in relation to productive characteristics and bioactive compounds.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3879-3885. Epub 2018 Oct 18.

Departamento de Agronomia, Universidade Tecnológica Federal do Paraná, Estrada para Boa Esperança, Km 04, 85660-000 Dois Vizinhos, PR, Brazil.

The goal of this work was to evaluate blackberry cultivars in terms of productivity and bioactive compounds. Two experiments were conducted: in the first experiment four cultivars were evaluated (Cherokee, Guarani, BRS-Tupy and Xavante). In the second experiment, the effects of pruning management in the BRS-Tupy cultivar were evaluated with the following treatments: drastic winter pruning (zero primocane), and maintenance of two, three or four primocanes in the winter pruning. Read More

View Article

Download full-text PDF

Source
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S
Publisher Site
http://dx.doi.org/10.1590/0001-3765201820180456DOI Listing
February 2019
14 Reads

A new protodidelphid (Mammalia, Marsupialia, Didelphimorphia) from the Itaboraí Basin and its implications for the evolution of the Protodidelphidae.

An Acad Bras Cienc 2019 18;91Suppl 2(Suppl 2):e20180440. Epub 2018 Oct 18.

Programa de Pós-Graduação em Biodiversidade e Biologia Evolutiva, Prédio das Pós-graduações do Instituto de Biologia, Interbloco B/C, Centro de Ciências da Saúde (CCS), Campus Ilha do Fundão, Universidade Federal do Rio de Janeiro/UFRJ, Avenida Carlos Chagas Filho, 373, Cidade Universitária, 21941-590 Rio de Janeiro, RJ, Brazil.

The Protodidelphidae was a group of marsupials that lived in Gondwana from the early to middle Eocene. Among South American faunas, the Itaboraí Basin calls attention by the presence of four genera and six species. Herein is described Bergqvistherium primigenia gen. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820180440DOI Listing
October 2018
2 Reads

Antioxidant and antimicrobial potential of selected varieties of Piper betle L. (Betel leaf).

An Acad Bras Cienc 2018 Oct-Dec;90(4):3871-3878. Epub 2018 Oct 18.

Department of Food Technology and Nutrition, Lovely Professional University, GT Road, 144411 Phagwara, Punjab, India.

Piper betle L., is an evergreen perennial creeper belonging to family Piperaceae and is known to possess numerous medicinal properties. Current study focuses on evaluating antioxidant and antimicrobial potential of betel leaf. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820180285DOI Listing
February 2019
26 Reads
0.880 Impact Factor

Growth and biochemical variables in Amazon catfish ( Pseudoplatystoma reticulatum ♀ x Leiarius marmoratus ♂) under different water pH.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3573-3581. Epub 2018 Oct 18.

Programa de Pós Graduação em Zootecnia, Universidade Federal da Bahia, Escola de Medicina Veterinária e Zootecnia, Avenida Adhemar de Barros, 500, Ondina, 40170-110 Salvador, BA, Brazil.

Although fish may live in different aquatic environments, variations in the water quality parameters, mainly pH, may have a substantial impact in their development and welfare. The objective of this study was to test the effect of different pH levels on the growth performance and biochemical variables in Amazon catfish juveniles (Pseudoplatystoma reticulatum x Leiarius marmoratus). Fish were subjected to four different water pH levels (4. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820180241DOI Listing
February 2019
10 Reads

Protease inhibitory, insecticidal and deterrent effects of the trypsin-inhibitor benzamidine on the velvetbean caterpillar in soybean.

An Acad Bras Cienc 2018 Oct-Dec;90(4):3475-3482. Epub 2018 Oct 18.

Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Viçosa, Avenida Peter Henry Rolfs, s/n, 36570‑000, Viçosa, MG, Brazil.

The recognition of protease inhibitors with insecticidal activity is important as a basis for the development of mimetic peptides with potential use as biorational insecticides. We sprayed benzamidine on soybean plants and assessed whether this potent synthetic trypsin-inhibitor has protease inhibitory, insecticidal and deterrent effects on the velvetbean caterpillar Anticarsia gemmatalis Hübner (Lepidoptera: Erebidae). Activity of trypsin inhibition in soybean leaves was increased and total proteolytic activity in the midgut extract from larvae fed on these leaves was reduced by benzamidine. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820180159DOI Listing
February 2019
11 Reads

Molecular farming of antimicrobial peptides: available platforms and strategies for improving protein biosynthesis using modified virus vectors.

An Acad Bras Cienc 2019 18;91(suppl 1):e20180124. Epub 2018 Oct 18.

Centro de Análises Proteômicas e Bioquímicas, Universidade Católica de Brasília/UCB, SGAN 916, Modulo B, Bloco C, 70790-160 Brasilia, DF, Brazil.

The constant demand for new antibiotic drugs has driven efforts by the scientific community to prospect for peptides with a broad spectrum of action. In this context, antimicrobial peptides (AMPs) have acquired great scientific importance in recent years due to their ability to possess antimicrobial and immunomodulatory activity. In the last two decades, plants have attracted the interest of the scientific community and industry as regards their potential as biofactories of heterologous proteins. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1590/0001-3765201820180124DOI Listing
October 2018
10 Reads