Epidemiological evaluation of Neospora caninum in dairy animals
Ikonnikova I. Ussenbekov Y. Domatskiy V. Lazareva Y.
2023Colegio Brasileiro de Reproducao Animal
Animal Reproduction
2023#20Issue 1
The purpose of the study is to explore the epidemiological information concerning the spread of neosporosis in the Moscow region (Russian Federation) and Almaty region (Republic of Kazakhstan). The study is conducted in 2019 in the Moscow region (Russian Federation) and Almaty region (Republic of Kazakhstan). The study sample includes 800 cows (400 animals at each of the two locations), 100 at each of the 4 cattle farms in the Moscow region and 100 at each of the 4 cattle farms in the Almaty region. There were more seropositive cows on the rest of farms as compared to farm No. 1: 1.9 times more on farm No. 2 (p ≤ 0.01), 2.4 times more on farm No. 3 (p ≤ 0.001), and almost 4 times more on farm No. 4 (p ≤ 0.0001). In terms of the abortion rates, the maximum difference between the farms was 5-fold in the Moscow region (p ≤ 0.0001) and 3-fold in the Almaty region (p ≤ 0.001). Positive correlations exist between all the studied parameters (the proportion of seropositive animals, the proportion of seroprevalent animals, the abortion rate, and the stillbirth rate). The results of the study are mainly extremely valuable for the global economy, because the Republic of Kazakhstan and the Russian Federation occupy an important place in the export of meat and dairy products.
cattle , Neospora caninum , neosporosis , seropositivity , seroprevalence
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Department of Medical Computer Science and Statistics, I. M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russian Federation
Department of Obstetrics, Surgery and Biotechnology of Animal Reproduction, Kazakh National Agrarian Research University, Almaty, Kazakhstan
Department of Infectious and Invasive Diseases, Federal State Budgetary Educational Institution of the Higher Education “Northern Trans-Urals State Agrarian University”, Tyumen, Russian Federation
Department of Biology and General Genetics, I. M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russian Federation
Department of Medical Computer Science and Statistics
Department of Obstetrics
Department of Infectious and Invasive Diseases
Department of Biology and General Genetics
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