THE PERIOD OF THE CATTLE BUNOSTOM DEVELOPMENT OF THE IN THE AMUR REGION
https://doi.org/10.31677/2072-6724-2019-51-2-128-132
Abstract
The authors focus on the fight against the most common helminthic diseases of agricultural animals as they see it as an important part of the veterinary science. Bunostomosis is one of such diseases; it is a helminthiasis of ruminants caused by vipostomum trigonocephalum nematodes (in sheep and goats) and vipostomum phlebotomum (mainly in the cattle), which are parasitic in the small intestines. The disease is characterized by diarrhea, exhaustion and death of ruminants. The disease is widespread and causes great economic damage. The authors explored the prevalence of tuberculosis and age-related infection with tuberculosis by ovoscopy and levoscopy in the Amur region. They examined 2655 animals, including 1415 small ruminants and 1240 cattle from five districts of the Amur region. The researchers examined 4 calves and 4 lambs aged 4 inorder to study the period of bunostom development in the organism of animals, which were infected with percutaneously and orally. Brown larvae received from faeces of spontaneously infested animals is considered to be the material for infection. The development and survival of larvae in the environment were investigated in 2016-2017. The authors found out that in the Amur region larvae develop at the temperatures above 40С. The period of development at the temperature from 40С tо 9 0С was 23 days. When the temperature was increasing, the development period was reduced to 5-7 days. In October larvae stop their development. The underdeveloped eggs and larvae left die in winter. At the farms of the Amur region, the infection rate of cattle and sheep is 31.9 and 49.6%. The bunostome infection of the cattle aged 1-11 months is 59,8%; 1-2 years - 26,0; 3 years and more - 19,9; sheep aged 4-11 months infection rate is 52,9; 1 year - 60,9, 3 years and more - 38,7%. The authors observed bunostomes development during 89-102 days in the ruminant organism before the sexually mature stage in the conditions of the Amur region.
About the Authors
T. I. Trukhina
Far-Eastern Research Institute of Veterinary Science
Russian Federation
Russian Federation
Candidate of Agriculture
Blagoveshchensk
I. A. Solovieva
Far-Eastern Research Institute of Veterinary Science
Russian Federation
Russian Federation
Candidate of Biology
Blagoveshchensk
G. A. Bonadrenko
Far-Eastern Research Institute of Veterinary Science
Russian Federation
Russian Federation
Junior Research Fellow
Blagoveshchensk
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Review
For citations:
Trukhina T.I., Solovieva I.A., Bonadrenko G.A. THE PERIOD OF THE CATTLE BUNOSTOM DEVELOPMENT OF THE IN THE AMUR REGION. Bulletin of NSAU (Novosibirsk State Agrarian University). 2019;(2):128-132. (In Russ.) https://doi.org/10.31677/2072-6724-2019-51-2-128-132
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