Serology for Neosporosis, Q fever and Brucellosis to assess the cause of abortion in two dairy cattle herds in Ecuador

Autor: Darwin Changoluisa, Ismar A. Rivera-Olivero, Gustavo Echeverria, Miguel Angel Garcia-Bereguiain, Jacobus H. de Waard, the working group “Applied Microbiology” of the School of Biological Sciences and Engineering at Yachay Tech University
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Zdroj: BMC Veterinary Research, Vol 15, Iss 1, Pp 1-5 (2019)
Druh dokumentu: article
ISSN: 1746-6148
DOI: 10.1186/s12917-019-1924-7
Popis: Abstract Background Determining the infectious cause of abortion in cattle is difficult. This case-control study was set up to investigate the infectious causes of abortion by determining the seroprevalence of three reproductive pathogens in dairy cattle in Ecuador and their association with abortion: Brucella abortus, Neospora caninum and Coxiella burnetii. Results Ninety-five blood samples were obtained from cows that had experienced a mid- or late gestation abortion of their first calf and seventy-seven samples from a control group of cows with the same age that did not experience abortion problems. No antibodies were detected for B. abortus in any of the serum samples, but a high seroprevalence for both C. burnetii (52.9%) and N. caninum infection (21.5%) was found in group of cows. The seroprevalence of N. caninum infection in cattle that had experienced abortions was significantly higher (p
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