563 results match your criteria seropositive abortion


A Retrospective Survey of the Abortion Outbreak Event Caused by Brucellosis at a Blue Fox Breeding Farm in Heilongjiang Province, China.

Front Vet Sci 2021 15;8:666254. Epub 2021 Jun 15.

Chinese Center for Disease Control and Prevention, National Institute for Communicable Disease Control and Prevention, Beijing, China.

Brucellosis is a common zoonosis in China, resulting in abortion in animals. Outbreaks of abortion in blue foxes caused by infection have rarely been reported. In the present study, 3-5 mL blood samples collected from the femoral veins of 10 abortuses of blue foxes were assessed by RBPT (Rose Bengal plate test) and SAT (serum tube agglutination test) to preliminarily investigate the source of infection for the clustering of abortion events at a blue fox farm in Heilongjiang Province. Read More

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Epidemiological Investigation of Bovine Brucellosis in Indigenous Cattle Herds in Kasulu District of Tanzania.

Yale J Biol Med 2021 Jun 30;94(2):285-296. Epub 2021 Jun 30.

District Livestock Office, Sikonge, Tanzania.

: Livestock-wildlife interfaces create unique hotspots of many infectious diseases including brucellosis. : A combination of epidemiological field studies utilizing Participatory Epidemiology tools and cross-sectional studies investigating Abortion Associated Syndrome (AAS) was conducted in livestock wildlife interface areas in Kasulu district, Tanzania from 23 to 28 July 2019. A total of 285 cattle from 27 herds were examined and sampled. Read More

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Flock Management Risk Factors Associated with Q Fever Infection in Sheep in Saudi Arabia.

Animals (Basel) 2021 Jun 30;11(7). Epub 2021 Jun 30.

Al Ahsa Veterinary Diagnostic Lab, Ministry of Environment, Water and Agriculture, Al-Ahsa 31982, Saudi Arabia.

Q fever is a zoonotic disease caused by (), an intracellular, Gram-negative bacterium that infects humans and domestic ruminants. Information on flock management factors associated with Q fever seropositivity in Saudi Arabia is very scarce. Therefore, the objective of this study was to identify the animal and flock management factors associated with Q fever seropositivity. Read More

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Serosurvey and Risk Factors Associated with Infection in High Risk Occupations from District Lahore and Kasur of Punjab, Pakistan.

Pathogens 2021 May 18;10(5). Epub 2021 May 18.

Institute of Bacterial Infections and Zoonoses, Friedrich-Loeffler-Institut, Naumburger Str. 96a, 07743 Jena, Germany.

Brucellosis is a neglected zoonotic disease, and occupations with a high risk of infection exist. Limited information is available on brucellosis for these employees at high risk in Pakistan. A total of 459 persons with high-risk occupations, i. Read More

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The Effect of Vaccination with Live-Frozen Tachyzoites on Abortion Rates of Naturally Infected Pregnant Cows.

Vaccines (Basel) 2021 Apr 19;9(4). Epub 2021 Apr 19.

Division of Parasitology, Kimron Veterinary Institute, Beit Dagan 50200, Israel.

Neosporosis is a major cause of abortions in cattle worldwide. Recently a live attenuated vaccine showing promising results in preventing abortions, when administered at mid-pregnancy to seropositive cows, was developed. In this study, vaccination with 2 × 10 live frozen tachyzoites (NcIs491) was used to immunize naturally infected seropositive pregnant dairy dams. Read More

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Rift Valley Fever - a Growing Threat To Humans and Animals.

J Vet Res 2021 Mar 26;65(1):7-14. Epub 2021 Jan 26.

Department of Virology, National Veterinary Research Institute, 24-100 Puławy, Poland.

Rift Valley fever (RVF) is a zoonotic, vector-borne infectious disease of ruminants and camels transmitted mainly by the and mosquito species. Contact with the blood or organs of infected animals may infect humans. Its etiological factor is the Rift Valley fever virus (RVFV) of the genus and family. Read More

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Epidemiology of brucellosis in cattle and dairy farmers of rural Ludhiana, Punjab.

PLoS Negl Trop Dis 2021 03 18;15(3):e0009102. Epub 2021 Mar 18.

Veterinary Epidemiology, Economics and Public Health Group, Department of Pathobiology and Population Sciences, The Royal Veterinary College, Hertfordshire, United Kingdom.

Brucellosis is a zoonotic disease imposing significant impacts on livestock production and public health worldwide. India is the world's leading milk producer and Punjab is the state which produces the most cattle and buffalo milk per capita. The aim of this study was to investigate the epidemiology of bovine brucellosis to provide evidence for control of the disease in Punjab State, India. Read More

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Neospora caninum and Toxoplasma gondii infections and their relationship with reproductive losses in farmed red deer (Cervus elaphus).

Parasitol Res 2021 May 8;120(5):1851-1860. Epub 2021 Mar 8.

Laboratorio de Inmunoparasitología (LAINPA), Facultad de Ciencias Veterinarias, Universidad Nacional de La Plata, 60 y 118 (1900), La Plata, Argentina.

The aims of the present study were to determine the Neospora caninum and Toxoplasma gondii seropositivity rates in farmed red deer hinds from Argentina and their relationship with reproductive losses. Over a 2-year period, 449 hinds from 4 commercial farms were serologically tested at late gestation for N. caninum and T. Read More

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Effects of Neospora caninum on reproductive parameters in dairy cows from a closed herd in Brazil.

Vet Parasitol Reg Stud Reports 2021 Jan 24;23:100524. Epub 2020 Dec 24.

Department of Preventive Veterinary Medicine, Laboratory of Animal Protozoology, Universidade Estadual de Londrina, Rodovia Celso Garcia Cid, Pr 445 km 380, 86057-970 Londrina, PR, Brazil.

Dairy production and cattle reproductive parameters exhibit a strong relationship, which can be disrupted by infectious agents, such as Neospora caninum, that affect the reproductive tract of these animals. Neosporosis is a major cause of abortion in cattle worldwide and is responsible for substantial economic losses. We evaluated the impact of N. Read More

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January 2021

Serosurvey of anti-Neospora caninum antibodies in wild boars (Sus scrofa), hunting dogs and hunters of Brazil.

Vet Parasitol Reg Stud Reports 2021 Jan 24;23:100522. Epub 2020 Dec 24.

Graduate College of Cellular and Molecular Biology, Federal University of Paraná (UFPR), Coronel Francisco Heráclito dos Santos Avenue, 100, Curitiba, Paraná 81531-970, Brazil; Department of Comparative Pathobiology, College of Veterinary Medicine, Purdue University, 725 Harrison Street, West Lafayette, IN 47907-2027, USA. Electronic address:

The protozoan Neospora caninum is an important cause of abortion in cattle worldwide, with domestic dogs serving as the definitive hosts. Although hunting activities have been indicated as a potential risk factor for N. caninum infection in dogs, no serological evidence has so far been reported in hunting dogs, wild boars (Sus scrofa), and hunters. Read More

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January 2021

Seroepidemiological feature of in sheep and goat population located in northeastern Iran.

Vet Res Forum 2020 15;11(4):423-426. Epub 2020 Dec 15.

Veterinary Administration of Khorasan Razavi Province, Mashhad, Iran.

is a Gram-negative intracellular bacteria responsible for major economic losses due mainly to infection and subsequent induction of abortion in several animal species and poses considerable public health problems in humans. This study was conducted to determine the prevalence of antibody against in sheep and goat population of Khorasan Razavi province located in northeastern Iran. Four hundred fifty-two (271 sheep and 181 goats) sera samples from 40 sheep/goat epidemiologic units located in 11 counties were selected. Read More

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December 2020

Seroprevalence and Molecular Detection of Brucellosis in Hospitalized Patients in Lahore Hospitals, Pakistan.

Infect Dis Rep 2021 Feb 8;13(1):166-172. Epub 2021 Feb 8.

Friedrich-Loeffler-Institut, Institute of Bacterial Infections and Zoonoses, Naumburger Str. 96a, 07743 Jena, Germany.

Brucellosis is one of the most notorious zoonoses worldwide. The disease is common and endemic in humans and animals of Pakistan, but lack of awareness and lack of research have resulted in an increased incidence in the human population. The present study aimed to determine the seroprevalence and at molecular detection of brucellosis in patients with clinical symptoms in six different hospitals from Lahore, which is the capital city of Punjab province. Read More

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February 2021

Innate and humoral immune parameters at delivery in colostrum and calves from heifers experimentally infected with Neospora caninum.

Mol Immunol 2021 04 2;132:53-59. Epub 2021 Feb 2.

Faculty of Agrarian Sciences, National University of Mar del Plata, Argentina; Institute of Innovation for Agricultural Production and Sustainable Development (IPADS Balcarce), Argentina. Electronic address:

Neospora caninum is a leading cause of abortion in cattle worldwide. The study of the immune response against N. caninum is critical to understand its epidemiology, pathogenesis, diagnosis and, ultimately, in preventing and controlling bovine neosporosis. Read More

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Serological evidence of Coxiella burnetii, Leptospira interrogans Hardjo, Neospora caninum and bovine pestivirus infections in a dairy cattle herd from the United Arab Emirates.

Vet Ital 2020 12 1;56(3):163-168. Epub 2020 Dec 1.

Department of Data Analytics in the Digital Era, College of Business and Economics,United Arab Emirates University, P.O. Box 15551, Al Ain, United Arab Emirates.

The serostatus of five abortigenic agents and the association between abortion history and Coxiella burnetii seropositivity were assessed in 350 dairy cattle from Al Ain, UAE. The bovine sera were ELISA-screened for C. burnetii, Leptospira Hardjo, Neospora caninum, and Brucella abortus antibodies, plus bovine pestivirus (BVDV) antigen. Read More

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December 2020

Seroprevalence of Coxiella burnetii in a dairy cattle herd from the Al Ain region, United Arab Emirates.

Trop Anim Health Prod 2021 Jan 11;53(1):112. Epub 2021 Jan 11.

Department of Veterinary Medicine, College of Food and Agriculture, United Arab Emirates University, P. O Box 15551, Al Ain, UAE.

The present study assessed the serostatus of Coxiella burnetii in a dairy cattle herd from the Al Ain region, UAE. In addition, the study evaluated the relationship between C. burnetii seropositivity and history of abortion and cattle age. Read More

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January 2021

Seroepidemiology of Toxoplasma gondii in small ruminants in Northwest Ethiopia.

Vet Parasitol Reg Stud Reports 2020 12 29;22:100456. Epub 2020 Aug 29.

The University of Gondar, College of Veterinary Medicine and Animal Sciences, Gondar, Ethiopia.

This cross-sectional study with a cluster random sampling method was undertaken from November 2018 to May 2019 to estimate the prevalence and assess the potential risk factors of T. gondii seropositivity, and to assess the association of the T. gondii seropositivity with reproductive losses in small ruminants in Northwest Ethiopia. Read More

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December 2020

Epidemiological study of the association between bovine gammaherpesvirus type 4 and reproductive disease in dairy cattle from northwestern Spain.

Vet Microbiol 2020 Dec 13;251:108888. Epub 2020 Oct 13.

Universidade de Santiago de Compostela, Faculty of Veterinary Sciences, Department of Animal Pathology, 27002, Lugo, Spain.

Bovine gammaherpesvirus 4 (BoHV-4) has controversially been related with cattle reproductive disease. In the present study we analyze the relationship between exposure to BoHV-4 and reproductive performance in dairy cattle from northwestern Spain. A total of 2022 sera from 50 farms were examined to detect anti-BoHV-4 antibodies. Read More

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December 2020

Minimizing the risk of occupational Q fever exposure: A protocol for ensuring -negative pregnant ewes are used for medical research.

Lab Anim 2021 Apr 27;55(2):170-176. Epub 2020 Oct 27.

Office of Research: Campus Veterinary Services, University of California, Davis, USA.

Q fever is a worldwide zoonosis caused by that can lead to abortion, endocarditis, and death in humans. Researchers utilizing parturient domestic ruminants, including sheep, have an increased risk of occupational exposure. This study evaluated the effectiveness of our screening protocol in eliminating -positive sheep from our facility. Read More

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Seroprevalence of and risk factors for Q fever in dairy and slaughterhouse cattle of Jimma town, South Western Ethiopia.

BMC Vet Res 2020 Oct 12;16(1):385. Epub 2020 Oct 12.

UQ Spatial Epidemiology Laboratory, School of Veterinary Science, The University of Queensland, Gatton, Queensland, 4343, Australia.

Background: Q fever is a zoonotic disease, caused by Gram negative bacterium C. burnetii, which imparts significant socio-economic burden due to production and reproductive loss (abortion, stillbirth, and infertility) in ruminants and debilitating clinical disease in human populations. While sheep and goats are considered the primary reservoirs of infection to humans, infection can also result from exposure to cattle. Read More

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October 2020

A loop-mediated isothermal amplification (LAMP) assay for detection of Toxoplasma gondii infection in women with spontaneous abortion.

Arch Microbiol 2021 Mar 12;203(2):763-769. Epub 2020 Oct 12.

Department of Obstetrics and Gynecology, School of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran.

The present study aimed to use the loop-mediated isothermal amplification (LAMP) technique in comparison with serological tests to determine the rate of T. gondii infection in women suffering from spontaneous abortion (SA). A total of 140 women suffering from their first SA were included in this study. Read More

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Role of Brucella abortus Biovar 3 in the Outbreak of Abortion in a Dairy Cattle Herd Immunized with Brucella abortus Iriba Vaccine.

Arch Razi Inst 2020 10 1;75(3):377-384. Epub 2020 Oct 1.

Friedrich-Loeffler-Institut, Institute of Bacterial Infections and Zoonoses, 07743 Jena, Germany.

Bovine brucellosis is a widespread zoonosis caused by Brucella abortus. The disease is prevalent nationwide in Iran and is on an increasing trend among humans and livestock. The eradication of brucellosis is challenging and requires control policies at both national and regional levels. Read More

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October 2020

The role of reproductive coercion in women's risk for HIV: A case-control study of outpatients in Gauteng, South Africa.

Int J Gynaecol Obstet 2020 Dec 26;151(3):377-382. Epub 2020 Oct 26.

University of Pretoria College of Health Sciences, Pretoria, South Africa.

Objectives: To investigate how reproductive coercion, or men's attempts to control their partners' use of contraception, may contribute to adverse reproductive health outcomes for women including abortions, sexually transmitted infections, and HIV for young women in South Africa.

Methods: Findings are based on a case-control interview study of 882 South African women outpatients aged 15-29 years, 48.5% (n=427) of whom were HIV seropositive. Read More

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December 2020

Neosporosis among Egyptian camels and its associated risk factors.

Trop Anim Health Prod 2020 Nov 14;52(6):3381-3385. Epub 2020 Sep 14.

Department of Parasitology and Animal Diseases, National Research Center, Dokki, Giza, Egypt.

Neospora caninum is an obligate intercellular protozoan parasite and considered one of the abortive pathogens in a wide range of ruminants. The present study aimed to investigate the antibodies against N. caninum in camels from three governorates in Egypt to understand the epidemiology of neosporosis and its associated abortion. Read More

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November 2020

Seroepidemiology of bovine brucellosis in Colombia's preeminent dairy region, and its potential public health impact.

Braz J Microbiol 2020 Dec 12;51(4):2133-2143. Epub 2020 Sep 12.

Department of Epidemiology and Public Health, Veterinary Institute, Federal Rural University of Rio de Janeiro, P.O. Box 23897-000, Seropedica, RJ, Brazil.

A cross-sectional study was conducted to determine the associated factors of brucellosis in Colombia's preeminent dairy region declared in quarantine. A total of 656 samples were collected from cows ≥ 2-year-old from 40 herds. Samples were screened by the Rose Bengal Plate Test, and the Fluorescence Polarized Assay test and Competitive ELISA were used as confirmatory tests. Read More

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December 2020

Isolation of Neospora caninum from a beef cattle fetus from Argentina: Immunopathological and molecular studies.

Vet Parasitol Reg Stud Reports 2020 07 22;21:100438. Epub 2020 Jul 22.

Immunoparasitology Laboratory, Faculty of Veterinary Sciences, National University of La Plata, 60 and 118 s/n, 1900 La Plata, Argentina.

Neospora caninum is an important abortifacient agent affecting mainly cattle worldwide. The aim of the present work was to describe the histopathological findings in a naturally infected beef cow and its midterm fetus caused by a genetically defined N. caninum isolate in Argentina. Read More

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Seroprevalence and associated risk factors of in sheep in Erzurum province, Eastern Anatolia region, Turkey.

Iran J Vet Res 2020 ;21(2):126-129

Ph.D. Student in Veterinary Internal Medicine, Department of Internal Medicine, Faculty of Veterinary Medicine, Ataturk University, 25240, Erzurum, Turkey.

Background: Toxoplasmosis causes economic losses due to abortion, neonatal death and reproductive diseases in infected sheep. Erzurum is one of the most important cities in Turkey where sheep farming is done. The aim of this study was to evaluate seroprevalence of and related risk factors in sheep brought to the slaughterhouse in Erzurum province of Eastern Anatolia region, Turkey. Read More

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January 2020

infection in dairy farms with history of abortion in West of Iran.

Vet Anim Sci 2019 Dec 3;8:100071. Epub 2019 Sep 3.

Department of Pathobiology, Faculty of Veterinary Medicine, Urmia University, Nazlu campus, Sero road, 5756151818, Urmia, Iran.

is a major cause of abortion and economic losses among dairy farms in Iran and other countries. The main goal of current investigation was to evaluate the presence of antibodies against and associated risk factors in dairy herds with history of abortion in Hamedan province of West Iran. A total numbers of 476 and 185 blood samples of pregnant cattle and farm dogs from 10 dairy farms with history of abortion were randomly collected. Read More

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December 2019

Brucellosis in ruminants and pastoralists in Borena, Southern Ethiopia.

PLoS Negl Trop Dis 2020 07 24;14(7):e0008461. Epub 2020 Jul 24.

Disease Dynamics Unit, Department of Veterinary Medicine, University of Cambridge Madingley Road, United Kingdom.

Brucellosis is a bacterial zoonotic disease that has important veterinary and public health consequences as well as economic impact in sub Saharan Africa including Ethiopia. A cross-sectional study was conducted in four selected districts of Borena Pastoral setting in Southern Ethiopia from October 2017 to February 2018 to estimate the prevalence of brucellosis and assess associated risk factors in cattle, sheep, goats and occupationally associated humans. A total of 750 cattle, 882 sheep and goats and 341 human subjects were screened for evidence of brucellosis using the Rose Bengal Test (RBT) with positive results confirmed by Competitive-ELISA(c-ELISA). Read More

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Determinants of gonorrhea and syphilis infections among pregnant women attending antenatal clinic at Dilla University Referral Hospital, Ethiopia: Unmatched case-control study.

Womens Health (Lond) 2020 Jan-Dec;16:1745506520940095

School of Public Health, Hawassa University, Hawassa, Ethiopia.

Objective: This study was designed to determine the risk factors associated with gonorrhea and syphilis infections among pregnant women attending antenatal care clinic at Dilla University Referral Hospital.

Method: A hospital-based unmatched case-control study (64 cases and 128 controls) with 1:2 ratios was conducted from 29 January 2018 to 20 June 2018, at the antenatal care clinic of the Dilla University Referral Hospital. Venous blood and vaginal swab were collected to screen for gonorrhea and syphilis. Read More

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Seroprevalence of Canine Herpesvirus-1 in Breeding Dogs with or Without Vaccination in Northwest Italy.

Animals (Basel) 2020 Jun 29;10(7). Epub 2020 Jun 29.

Experimental Institute for Zooprophylaxis in Piedmont, Ligura and Aosta Valley, 10154 Turin, Italy.

Canine herpesvirus-1 (CHV-1) can cause abortion and foetal and neonatal deaths in the bitch. The reactivation of latent infections with asymptomatic virus shedding represents a mechanism, whereby the virus can persist in a dog population. The aim of this study was to investigate the seroprevalence of CHV-1 in a population of breeding dogs in Piedmont, Northern Italy, and to investigate the distribution of herpesvirus vaccination. Read More

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