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Seroimmunological monitoring of respiratory and gastrointestinal diseases of cattle in various cattle farms of the Middle Volga region for 2019

https://doi.org/10.17238/issn2072-2419.2021.1.18

Abstract

In 2019, sero-immunological monitoring of inpatient dysfunctional livestock farms in the Middle Volga region was conducted to study the prevalence of respiratory gastrointestinal infections in cattle.

The most widespread damage to the livestock sector, the specialization of which is characterized by the breeding of cattle, is caused by systematic, seasonally occurring infectious diseases of viral and chlamydial etiology. Infectious pathological processes that cause violations of the reproductive function of bred animals and closely related subsequent stages of the disease (endometritis, mastitis), as well as lesions of various organ systems of infectious etiology in newborn livestock (diarrheal and respiratory syndromes) lead to huge economic losses.

In the surveyed farms, young animals of one month of age showed signs of rhinitis, mucopurulent discharge from the nose, diarrhea, liquid feces mixed with blood and mucus, as well as symptoms of conjunctival damage to the eyes. In pregnant cows, the disease was expressed by abortions at 7-9 months of pregnancy, retention of the afterbirth, endometritis and vaginitis.

Mass respiratory and intestinal diseases of young animals and pathology of the reproductive organs of cattle are widespread in farms and cause significant economic damage. As a rule, these diseases have mainly infectious etiology. Chlamydia, infectious rhinotracheitis (IRT), parainfluenza-3 (PG3), viral diarrhea (VD), etc. play a significant role in their occurrence. Often these pathogens act in combination.

In this regard, there is always an urgent problem of sero-immunological monitoring of these infections, which in the conditions of intensive forms of production have become widespread in the region with the constant movement of animals from one farm to another, the formation of new groups that are not always homogeneous in age and immune status.

Epizootic features, clinical signs, and pathoanatomical changes of these diseases have common similarities that do not allow for their strict differentiation.

An important stage in the control and eradication of these forms of pathologies is laboratory diagnostics, by isolating infectious agents from pathological materials and detecting antibodies in the blood sera of infected and ill animals, both by traditional methods and modern diagnostic immunoassay methods.

About the Authors

V. V. Evstifeev
ФГБНУ «ФЦТРБ-ВНИВИ»
Russian Federation

Doctor of Biological Sciences, Associate Professor, Head. dep. Virology, 



V. G. Gumerov
ФГБНУ «ФЦТРБ-ВНИВИ»
Russian Federation

D.Sc., Leading Researcher, Head. lab. viral diseases of animals, 



F. M. Khusainov
ФГБНУ «ФЦТРБ-ВНИВИ»
Russian Federation

Doctor of Medical Sciences, Senior Scientist, 

 



G. I. Khusainova
ФГБНУ «ФЦТРБ-ВНИВИ»
Russian Federation

Candidate of Biological Sciences, Senior Scientist, 



I. R. Akbashev
ФГБНУ «ФЦТРБ-ВНИВИ»
Russian Federation

junior scientist, 



S. I. Yakovlev
ФГБНУ «ФЦТРБ-ВНИВИ»
Russian Federation

Ph.D.



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For citations:


Evstifeev V.V., Gumerov V.G., Khusainov F.M., Khusainova G.I., Akbashev I.R., Yakovlev S.I. Seroimmunological monitoring of respiratory and gastrointestinal diseases of cattle in various cattle farms of the Middle Volga region for 2019. International Journal of Veterinary Medicine. 2021;(1):18-23. (In Russ.) https://doi.org/10.17238/issn2072-2419.2021.1.18

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ISSN 2072-2419 (Print)