Seasonal and Age Dynamics of Infection of Cattle and Sheep with Fasciola hepatica in the Territory of the Bryansk Region
https://doi.org/10.31016/1998-8435-2019-13-1-31-35
Abstract
The purpose of the research is to study the seasonal and age dynamics of infection of cattle and sheep with Fasciola hepatica L., 1758 in the Central economic region of Russia in the Bryansk Region.
Materials and methods. The study of the seasonal dynamics of infection of cattle and small ruminants with F. hepatica was carried out by studying the feces of animals by means of coprological methods. The age dynamics of infection of cattle and sheep with F. hepatica was studied in the farms of the Bryansk region based on the results of veterinary-sanitary inspection.
Results and discussion. When studying the effect of the season of the year on infection of cattle and sheep with F. hepatica, it was established that the adult stock was infected with F. hepatica in all seasons of the year, ranging from 9.0 % in June to 16.6 % in February of cattle and from 8.5% in August to 17.6% in January of sheep. The highest infection rate of the animals was noted in winter, which, in our opinion, is due to the fasciola reaching a new generation of maturity. With the age of the animals, their F. hepatica infection rate increases due to the accumulation of infection and the realization of the possibility of reinfection in subsequent years. The maximum F. hepatica infection rate of cattle with was observed in the animals over the age of 8 years, and sheep – of 5 years and older. They, in turn, play a major role in the circulation of fasciolosis infection.
About the Author
A. N. Postevoy
All-Russian Scientific Research Institute of Fundamental and Applied Parasitology of Animals and Plants – a branch of the Federal State Budgetary Institution of Science “Federal Research Center – All-Russian Scientific Research Institute of Experimental Veterinary Medicine named after K. I. Skryabin and Ya. R. Kovalenko of the Russian Academy of Sciences”
Russian Federation
Russian Federation
Aleksey N. Postevoy
117218, Moscow, B. Cheremushkinskaya Str, 28
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Review
For citations:
Postevoy A.N. Seasonal and Age Dynamics of Infection of Cattle and Sheep with Fasciola hepatica in the Territory of the Bryansk Region. Russian Journal of Parasitology. 2019;13(1):31-35. (In Russ.) https://doi.org/10.31016/1998-8435-2019-13-1-31-35
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