Ural Scientific Research Veterinary Institute

Bovine diarrhea is of multifactorial origin, causing heavy mortality risk and having a negative impact on animal welfare along with high economic loss in animal husbandry.Coronoviruses are one of the main enteropathogenic viruses of humans and newborn calves.A review of the available data indicates that further research is needed to understand the underlying pathogenesis mechanisms of BCoV respiratory and intestinal diseases, as well as the variables and interactions between the virus, host, and environmental factors that can exacerbate the disease or lead to increased spread and transmission.Further extensive research is needed to determine the correlates and attributes of immune defense needed to develop effective vaccines/regimens that can prevent severe disease and limit the spread of the virus.

During research was detected infection with Eimeria among poultry in the farms. As a result, Eimeria are widespread in poultry farms. In poultry farm of studied were detected high extensivity infection with eimeriosis in fall and 54.6% of infections were detected. During coprological examinations for season mentioned above infection with invasion diseases was 22.6% in winter, 51.7% and 5.1% in spring and summer. In other poultry farm of studied for season were detected high extensivity infection with eimeriosis in fall and 51.0% of infections with eimeriosis were detected. During coprological examinations for season mentioned above low infection with invasion diseases was detected in summer and during research was determined infection with eimeriosis 8.8% in this season, 47.8% in spring and 16.6% in winter. Research show that environmental factors have a strong impact oocysts living in the environment, to maintain invasive properties.

1-(2,3-Dihydroxypropyl)-, 1-(4-hydroxy-2-oxabutyl)-, 1-(3-hydroxymethyl-4-hydroxy-2-oxabutyl)-, 1-(1,5-dihydroxy-3-oxa-2-pentyl)-, 1-(5-hydroxy-3-oxa-2-pentyl)-, and 1-(4,5-dihydroxy-2-oxapentyl)-2-trifluoromethyl- and -2-trifluoromethylthiobenzimidazoles were obtained by condensation of trimethylsilyl derivatives of 2-substituted benzimidazoles with alkylating agents in the presence of SnCl4, or by direct alkylation of the sodium salts of the heterocycles.