Epizootological aspects of bovine leucosis in Krasnodar region

UDC 619:616.98:578.828.11

EPIZOOTOLOGICAL ASPECTS OF BOVINE LEUCOSIS IN KRASNODAR REGION

Donnik I.M., Dzhailidi G.A., Yakubenko E.V., Tikhonov S.V.

Summary. Data on the prevalence of leucosis of large horned cattle and the morphology of the bovine leucosis pathogen are presented in the article. Statistical analysis on laboratory tests for cattle in the period from 1990 to 2003 was made by the authors. Prior to 2004, the level of infection rate and disease in the farms of the public sector increased to 50% and 3.1%, respectively. In the period from 2004 to 2013, infection of large horned cattle declined to 5.2%, and diseased animals decreased to 0.8%. During this period 160 farms, with 119.5 thousand heads of large horned cattle improved their health. Infection rate in individual sector in 2004 was 36.6%, and morbidity – 2.8%. By 2013, the number of infected animals was 12.5%, and diseased animals – 0.55%. Restrictive measures in three farms of Krasnodar region with livestock more than 7.5 million heads of cattle were canceled. Launching of antileukemic activities improved epizootic situation on bovine leucosis in agricultural organizations and personal subsidiary plots of citizens that helped to reduce economic losses and restrictions in the implementation of breeding young growth, as well as milk and meat.

Keywords: bovine leucosis, spread, infectious disease, exogenous retrovirus, restrictive measures, diagnostic studies, economic damage, virus, infection, morbidity, statistical analysis, production of animal origin.

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Author affiliation:

Donnik Irina M., D.Sc. in Biology, Academician of RAS, professor, rector of the Urals State Agrarian University; 42, Karla Libknekta st., Yekaterinburg, Sverdlovsk area, 620075; ph.: 8 (343) 371-33-63; e-mail: rector@urgau.ru.

Dzhailidi Georgy A., Ph. D. in Biology, Head of the State Veterinary Department of Krasnodar region; 36, Rashpilevskaya st., Krasnodar, 350000; phone: 8 (861) 262-19-23; e-mail: dga@uv.krasnodar.ru.

Yakubenko Elena V., Ph.D. in Biology, Head of the Krasnodar Regional Station of fighting against animal diseases; 15/1, Kalinina st., Krasnodar, 350044; ph.: 8 (861) 221-59-92; e-mail: vetkuban@mail.ru.

Responsible for correspondence with the editorial board: Tikhonov Sergey V., Ph.D. in Biology, chief veterinarian of the Krasnodar regional station of fighting against animal diseases; 6/13, Krasnaya st., TEF "Kuban", Krasnodar, 350064; ph.: 8(918)4811936; e-mail: tikhonov14@mail.ru.