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Asian-Australas J Anim Sci 2020 12 1. Epub 2020 Dec 1.

Key Laboratory of Animal Genetic, Breeding and Reproduction in Shaanxi Province, College of Animal Science and Technology, Northwest Agriculture & Forestry University, Yangling, Shaanxi, 712100, China.

Ahead of Print article withdrawn by Editorial Board. Read More

Asian-Australas J Anim Sci 2020 Dec 13. Epub 2020 Dec 13.

Campus Arapiraca, Federal University of Alagoas, Av. Manoel Severino Barbosa, Bom Sucesso Arapiraca - AL, 57309-005, Brazil.

Objective: The objective of this experiment was to evaluate the performance and meat quality of lambs fed diets containing four levels of substitution (0, 33, 67, and 100 %) of soybean meal for detoxified castor meal (CM).

Methods: Twenty-four sheep (18.5 ± 2. Read More

Asian-Australas J Anim Sci 2020 Nov 25. Epub 2020 Nov 25.

Indian Council of Agricultural Research - National Dairy Research Institute, Division of Animal Production, Southern Research Station, Bangalore, Karnataka 560030, India.

Objective: The objective of this study was to obtain (co) variance components and genetic parameter estimates for post-weaning body measurements such as body length, height at withers and chest girth recorded at six (SBL, SHW and SHG), nine (NBL, NHW and NHG) and twelve (YBL, YHW and YHG) months of age along with yearling weight (YW) in Nellore sheep maintained at livestock research station, Palamaner, Andhra Pradesh, India and also the association among body measurements with yearling weight was studied.

Methods: Data on 2,076 Nellore sheep (descended from 75 sires and 522 dams) recorded between 2007 and 2016 (10 years) were utilized in the study. Lambing year, sex of lamb, season of lambing and parity of dam were included in the model as fixed effects and ewe weight was kept as a covariate. Read More

Asian-Australas J Anim Sci 2020 Nov 9. Epub 2020 Nov 9.

Feed Research Institute, Chinese Academy of Agricultural Sciences/Sino-US Joint Lab on Nutrition and Metabolism of Ruminant/CAAS-CIAT Joint Laboratory in Advanced Technologies for Sustainable Agriculture, Beijing, 100081, China.

Objective: The present study was conducted to examine the gas production, fermentation characteristics, nutrient degradation, and methanogenic community composition of the rumen fluid culture with Broussonetia papyrifera (B. papyrifera) subjected to ensiling or steam explosion (SE) pretreatment.

Methods: Fresh B. Read More

Asian-Australas J Anim Sci 2020 Oct 19. Epub 2020 Oct 19.

Department of Poultry Production, Faculty of Agriculture, Alexandria University, Alexandria 21545, Egypt.

Objective: The present study aimed to investigate the effect of Moringa oleifera leaves (MOL) on blood hematology, lipid profile and immunity status of growing rabbits.

Methods: A total of 120, unsexed Alexandria line weaned rabbits, at 4 weeks of age were randomly divided into four groups (30 rabbits each). The first group was fed the control diet and the other groups (2-4) were fed the basal diet supplemented with 10, 20 or 30% MOL for 5 weeks of experimental period. Read More

Asian-Australas J Anim Sci 2020 Aug 30. Epub 2020 Aug 30.

5Department of Animal Science, Federal University of Piauí, Teresina, PI 64049-550, Brazil.

Objective: The genetic structure and diversity of Santa Inês sheep flocks from the Mid-North sub-region of Brazil were assessed using microsatellite markers.

Methods: A total of 257 DNA samples from animals raised in six farms were genotyped using a panel of 20 microsatellite loci. Different programs were used to assess the influence of null alleles on genetic differentiation estimates, the probability of loci being under selection, and to calculate different parameters to assess the genetic variability and the power of markers to determine the kinship among flocks. Read More

Asian-Australas J Anim Sci 2020 08 24. Epub 2020 Aug 24.

Product Development and Advisory Services Division, Malaysian Palm Oil Board, No. 6 Persiaran Institusi, Bandar Baru Bangi, 43000 Kajang, Selangor, Malaysia.

Ahead of Print article withdrawn by publisher. Read More

Asian-Australas J Anim Sci 2020 Aug 21. Epub 2020 Aug 21.

Dohne ADI, Private Bag X15, Stutterheim 4930, Republic of South Africa.

Objective: Tenderness is believed to start immediately after slaughter, but there is little work that directly links tenderness to the muscle nanostructure early post-mortem. This study attempted early diagnosis of meat tenderness using muscle nanostructure at approximately 45 minutes and 24 hours post-slaughter.

Methods: Carcass intrinsic factors (carcass mass, muscle pH and temperature) were measured at 45 minutes and 24 hours post-slaughter on 52 A2-class beef carcasses from Bonsmara, Beefmaster, Hereford and Simbra steers. Read More

Asian-Australas J Anim Sci 2020 Dec 14;33(12):1940-1947. Epub 2020 Jul 14.

Department of Animal Science and Technology, Sanghuh College of Life Sciences, Konkuk University, Seoul 05029, Korea.

Objective: Combination of two stressors on alteration of mineral footprints in animals needs due attention to meet maximum production and welfare, particularly in grazing sheep. This study tested whether ewes (Ovis aries) exposed to water deprivation and thermal-humidity stressors had altered mineral footprints in their wool, serum, urine, and feces.

Methods: Nine ewes (age = 3 years; mean body weight = 41±3. Read More

Asian-Australas J Anim Sci 2020 Dec 28;33(12):2021-2030. Epub 2020 Jul 28.

Department of Veterinary Theriogenology, College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Korea.

Objective: Quantitative polymerase chain reaction (qPCR) has been extensively used in the field of mesenchymal stem cell (MSC) research to elucidate their characteristics and clinical potential by normalization of target genes against reference genes (RGs), which are believed to be stably expressed irrespective of various experimental conditions. However, the expression of RGs is also variable depending on the experimental conditions, which may lead to false or contradictory conclusions upon normalization. Due to the current lack of information for a clear list of stable RGs in bovine MSCs, we conducted this study to identify suitable RGs in bovine MSCs. Read More

Asian-Australas J Anim Sci 2020 10 28;33(10):1533-1543. Epub 2020 Jul 28.

Department of Agricultural Biotechnology, Center for Food and Bioconvergence, and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea.

Plant-based meat analogues, edible insects, and cultured meat are promising major meat alternatives that can be used as protein sources in the future. It is also believed that the importance of meat alternatives will continue to increase because of concerns on limited sustainability of the traditional meat production system. The meat alternatives are expected to have different roles based on their different benefits and limitations. Read More

Asian-Australas J Anim Sci 2020 Nov 3;33(11):1732-1740. Epub 2020 Aug 3.

Department of Animal Breeding and Genetics, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh.

Objective: The objectives of this study were to investigate the genetic diversity, population structure and relatedness among the five chicken populations of Bangladesh using microsatellite markers.

Methods: A total of 161 individuals representing 5 chicken populations (non-descript Deshi [ND], naked neck [NN], hilly [HI], Aseel [AS], and red jungle fowl [JF]) were included in this study to investigate genetic diversity measures, population structure, genetic distance and phylogenetic relationships. Genotyping was performed using 16 selected polymorphic microsatellite markers distributed across 10 chromosomes. Read More

Asian-Australas J Anim Sci 2020 Dec 19;33(12):1873-1884. Epub 2020 Aug 19.

Department of Animal Breeding and Genetics, College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang, Guangdong 524088, China.

The demand for food is increasing day by day because of the increasing global population. Therefore, meat, the easiest and largely available source of protein, needs to be produced in large amounts with good quality. The pork industry is a significant shareholder in fulfilling the global meat demands. Read More

Asian-Australas J Anim Sci 2020 Dec 24;33(12):1912-1921. Epub 2020 Jun 24.

Division of Animal and Dairy Science, Chungnam National University, Daejeon 34134, Korea.

Objective: This study assessed genomic prediction accuracies based on different selection methods, evaluation procedures, training population (TP) sizes, heritability (h2) levels, marker densities and pedigree error (PE) rates in a simulated Korean beef cattle population.

Methods: A simulation was performed using two different selection methods, phenotypic and estimated breeding value (EBV), with an h2 of 0.1, 0. Read More

Asian-Australas J Anim Sci 2020 Nov 12;33(11):1699-1713. Epub 2020 May 12.

Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Korea.

Bovine mastitis, an inflammation of the mammary gland, is the most common disease of dairy cattle causing economic losses due to reduced yield and poor quality of milk. The etiological agents include a variety of gram-positive and gram-negative bacteria, and can be either contagious (e.g. Read More

Asian-Australas J Anim Sci 2020 Sep 12;33(9):1470-1476. Epub 2020 May 12.

Department of Animal Science, Chonnam National university, Gwangju, 61186, Korea.

Objective: This study was carried out to investigate physicochemical properties, and antioxidant and antimicrobial activities of low-fat sausages (LFSs) covered with sodium alginate (SA) film alone and with powder film (TSA-film) formed by cross-linking cherry tomato powder (CTP) and SA with calcium chloride (CaCl2).

Methods: Sausages covered with the biodegradable film were assessed based on the measurement of pH, color (L*, a*, b*), proximate analysis, expressive moisture (EM), texture profile analysis, total plate counts (TPC), violet red bile, and 2-Thiobarbituric acid reactive substances (TBARS) during storage under refrigeration. LFSs wrapped with TSA-film were compared with those wrapped with SA-film and without film (control) during storage at 10°C for 35 days. Read More

Asian-Australas J Anim Sci 2020 05 12. Epub 2020 May 12.

Institute of Animal Breeding, Wroclaw University of Environmental and Life Sciences, Chelmonskiego 38c, 51-630 Wroclaw, Poland.

Ahead of Print article withdrawn by publisher. Read More

Asian-Australas J Anim Sci 2020 Dec 12;33(12):2039-2049. Epub 2020 May 12.

Animal Production Systems Group, Wageningen University & Research, P.O. Box 338, 6700 AH, Wageningen, The Netherlands.

Objective: This study was conducted to provide models to accurately predict nitrogen (N) and phosphorus (P) excretion of dairy cows on smallholder farms in Indonesia based on readily available farm data.

Methods: The generic model in this study is based on the principles of the Lucas equation, describing the relation between dry matter intake (DMI) and faecal N excretion to predict the quantity of faecal N (QFN). Excretion of urinary N and faecal P were calculated based on National Research Council recommendations for dairy cows. Read More

Asian-Australas J Anim Sci 2020 May 20;33(5):866. Epub 2020 Apr 20.

Asian-Australas J Anim Sci 2020 Dec 12;33(12):1922-1929. Epub 2020 Apr 12.

Asian Satellite Campus in Cambodia, Nagoya University, c/o Royal University of Agriculture, Khan Dangkor, Phnom Penh, P.O. Box 2696, Cambodia.

Objective: The present study aimed to survey seasonal changes in reproductive performance of local cows receiving artificial insemination (AI) in the Pursat province of Cambodia, a tropical country, to investigate if ambient conditions affect the reproductive performance of cows as to better understand the major problems regarding cattle production.

Methods: The number of cows receiving AI, resultant number of calving, and calving rate were analyzed for those receiving the first AI from 2016 to 2017. The year was divided into three seasons: cool/dry (from November to February), hot/dry (from March to June), and wet (from July to October), based on the maximal temperature and rainfall in Pursat, to analyze the relationship between ambient conditions and the reproductive performance of cows. Read More

Asian-Australas J Anim Sci 2020 Dec 12;33(12):1985-1990. Epub 2020 Apr 12.

Stuart Products Inc., Bedford, TX 76022-6297, USA.

Objective: The objective of this experiment was to investigate the effects of fat-soluble vitamin injection on plasma and tissue vitamin status in nursery pigs.

Methods: A total of 16 pigs (initial body weight: 7.15±1. Read More

Asian-Australas J Anim Sci 2020 04 12. Epub 2020 Apr 12.

Animal Biotechnology Division, Institute of Biotechnology and Genetic Engineering, The University of Agriculture Peshawar, Peshawar 25000, Pakistan.

Ahead of Print article withdrawn by publisher. Read More

Asian-Australas J Anim Sci 2020 Dec 13;33(12):1896-1904. Epub 2020 Apr 13.

Department of Animal Production and Health, Veterinary Research Institute, Colombo, 20400, Sri Lanka.

Objective: Estimating the genetic diversity and structures, both within and among chicken breeds, is critical for the identification and conservation of valuable genetic resources. In chickens, microsatellite (MS) marker polymorphisms have previously been widely used to evaluate these distinctions. Our objective was to analyze the genetic diversity and relationships among 22 chicken breeds in Asia based on allelic frequencies. Read More

Asian-Australas J Anim Sci 2020 Dec 12;33(12):2008-2020. Epub 2020 Mar 12.

College of Animal Science and Technology, Key Laboratory of Animal Origin Food Production and Safety Guarantee of Jiangsu Province, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, Joint International Research Laboratory of Animal Health and Food Safety, National Experimental Teaching Demonstration Center of Animal Science, Nanjing Agricultural University, Nanjing 210095, China.

Objective: This study was conducted to investigate the effects of dietary corn resistant starch (RS) on the intestinal morphology and barrier functions of broilers.

Methods: A total of 320 one-day-old broilers were randomly allocated to 5 dietary treatments: one normal corn-soybean (NC) diet, one corn-soybean-based diet supplementation with 20% corn starch (CS), and 3 corn-soybean-based diets supplementation with 4%, 8%, and 12% corn resistant starch (RS) (identified as 4% RS, 8% RS, and 12% RS, respectively). Each group had eight replicates with eight broilers per replicate. Read More

Asian-Australas J Anim Sci 2020 Dec 12;33(12):1965-1974. Epub 2020 Mar 12.

Institute of Tropical Agriculture and Food Security, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia.

Objective: This study consisted of two stages; the first was to determine the effect of extrusion and sieving treatments on the chemical properties of palm kernel cake (PKC), and accordingly, a follow-up experiment (second stage) was conducted to determine and compare the apparent metabolizable energy (AME), and protein and amino acid digestibility of extruded and sieved PKC.

Methods: Two physical treatments, namely extrusion (using temperature profiles of 90°C/100°C/100°C, 90°C/100°C/110°C, and 90°C/100°C/120°C) and sieving (to 8 particles sizes ranging from >8.00 to 0. Read More

Asian-Australas J Anim Sci 2020 Dec 12;33(12):2031-2038. Epub 2020 Mar 12.

Department of Animal Science, Agricultural Faculty, Ondokuz Mayis University, 55139 Samsun, Turkey.

Objective: This study aimed to determine the effect of intermittent feeding and cold water on performance and carcass traits in broiler chickens between 4 to 6 wk of age exposed to daily high temperature.

Methods: Broilers were assigned to four treatment groups according to a 2×2 factorial design between 22 to 42 d of age (80 broilers per treatment, 4 replications). Broilers were divided into two main groups as feeding type (ad-libitum [AL] and intermittent [IF] for 6 h daily) and sub-groups as water temperature (normal [NW], 24. Read More

Asian-Australas J Anim Sci 2020 Dec 12;33(12):1885-1895. Epub 2020 Mar 12.

Department of Animal Resource and Science, Dankook University, Cheonan 31116, Korea.

Vitamins and minerals categorized as micronutrients are the essential components of animal feed for maintaining health and improving immunity. Micronutrients are important bioactive molecules and cofactors of enzymes as well. Besides being cofactors for enzymes, some vitamins such as the fat-soluble vitamins, vitamin A and D have been shown to exhibit hormone-like functions. Read More

Asian-Australas J Anim Sci 2020 Sep 12;33(9):1463-1469. Epub 2020 Mar 12.

College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu 225009, China.

Objective: The effects of maternal and offspring dietary vitamin A (VA) supplementation on early body weight, digestive tract function and immune function in goslings were studied.

Methods: Yangzhou geese (180 d old) were randomly divided into 5 experimental groups of 15 females and 3 males (the males were kept until slaughter). Eggs were collected for hatching during the peak laying period. Read More

Asian-Australas J Anim Sci 2020 05 12;33(5):679-695. Epub 2020 Mar 12.

Department of Animal and Food Sciences, University of Kentucky, Lexington, KY 40546, USA.

Evaluating amino acid requirements, specifically threonine requirements, in horses will enable better feed formulation and result in economic production, improved animal health, and reduced environmental pollution. However, the current knowledge of protein and amino acid requirements in horses is still limited. Because horses have a unique digestive system and consume a variety of feed ingredients, their protein digestibility may be affected than other species by different feed composition, and thus amino acid requirements are susceptible to vary between situations. Read More

Asian-Australas J Anim Sci 2020 Nov 25;33(11):1837-1847. Epub 2020 Feb 25.

Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, Wanju 55365, Korea.

Objective: To evaluate the pancreatic differentiation potential of α-1,3-galactosyltransferase knockout (GalTKO) pig-derived bone marrow-derived mesenchymal stem cells (BM-MSCs) using epigenetic modifiers with different pancreatic induction media.

Methods: The BM-MSCs have been differentiated into pancreatic β-like cells by inducing the overexpression of key transcription regulatory factors or by exposure to specific soluble inducers/small molecules. In this study, we evaluated the pancreatic differentiation of GalTKO pig-derived BM-MSCs using epigenetic modifiers, 5-azacytidine (5-Aza) and valproic acid (VPA), and two types of pancreatic induction media - advanced Dulbecco's modified Eagle's medium (ADMEM)-based and N2B27-based media. Read More