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Russian Journal of Parasitology, 2016, V.36, Iss.2
DOI: …………………
Received: 03.11.2015
Accepted: 12.05.2016
RECOMMENDATIONS FOR THE STRUGGLE AGAINST PROTOSTRONGYLOSES IN SHEEP AND GOATS IN ARMENIA
Boyahchyan G.A.1, Movsesyan S.O.1,2, Arutyunova L.D.1, Petrosyan R.A.1, Chubaryan F.A.1, Nikogosyan M.A.1
1Institute of Zoology, Scientific Center of Zoology and Hydroecology of National Academy of Sciences of Armenia, 0014, Yerevan, 77, Sevak St. 7, e-mail: bogear @ mail, ru;
2Center for Parasitology of the A.N. Severtsov Institute of Ecology and Evolution of the RAS 119071, Moscow, 33 Leninsky Ave., e-mail: movsesyan@ list.ru
Abstract
Protostrongyloses are widely-spread in small cattle all over the world and may cause a significant economic damage manifested in decrease in livestock productivity as well as death of animals.
Based on our studies, the infestation of sheep and goats with protostrongylides was detected in all landscape zones of the republic of Armenia and in animals of all ages. As a rule, the protostrongylide invasion rate of goats is higher than of sheep. Within the republic, the average invasion extensity in goats of different age groups ranges between 20,4 and 44,1%, and in sheep – between 16,5 and 37,0%.
In some stationary invasion foci, more than a half of livestock suffers through protostrongyloses. The highest protostrongylide invasion was found in animals older than 3 years of age, and the lowest – in animals of the first year of life; it means that the invasion increases with the age.
The invasion of animals in mountains is higher in comparison with animals from plain areas.
The peak of invasion falls on autumn and winter seasons.
Taking into account a high level of protostrongylide invasion in small cattle in the republic of Armenia, and the unavailability of guidelines on this infectious disease, we have developed (based on the long term investigation of more than 3000 head of animals) methodical recommendations for the struggle against protostrongyloses.
The implementation of these measurements proved their high efficacy and contributed to the significant reduction in morbidity of small cattle due to protostrongyloses.
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