Abstract
The article presents data on the determination of the entomofauna of zoophilous flies in the conditions of the cattle breeding farm. Were subjected to parasitological research cattle of various ages: dairy cows, heifers of mating age, calves. The research was carried out on pastures, in production premises and walking areas. As a result of the conducted research, it was established that the main representatives of zoophilic flies parasitizing animals in pasture conditions were: Lyperosia irritans, Haematobia stimulans, Musca autumnalis Musca vitripennis. The following types of flies in the case of animals staying in the production premises, were identified on them: Musca domestic, Fannia canicularus, Calliphora uralensis, Calliphora visina, Lucilia sericata and Muscina stabulans. It was established that the extent of infestation by zoophilous flies was 100% among all age groups of cattle. Intensity of infestation in the group of dairy cows was 270.22±4.28 specimens/animal, among heifers and heifers of mating age – 244.67±3.49 specimens/animal, and among calves – 81.67±1.14 specimens/animal. We identified a clear trend regarding the specifics of parasitic insect damage in cattle of different breeds. When staying within the same production group, the highest intensity of infestation (354.50±5.08 insects per animal) was found in black Holstein cows, and the lowest II indicator was found in Simmental cows - 159.83±1.41 insects per animal. The intensity of the infestation of cows by zoophilic flies among representatives of the Holstein breed is 28% higher than that of the Simmental breed, and also 25% higher than that of the cows of the Ukrainian black-spotted dairy breed. It was noted that with high indicators of the intensity of invasion by zoophilous flies, the animals showed the maximum degree of restlessness, when analyzing behavioral reactions and the level of well-being of cows. It manifested itself in a constant effort to be in motion. Therefore, as a result of the conducted complex of studies, the extreme relevance of insecticidal treatments of cattle of different age groups has been proven, since a wide range of zoophilic flies has been identified in the places where animals stay.
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Schedule a callMore From: Scientific and Technical Bulletin оf State Scientific Research Control Institute of Veterinary Medical Products and Fodder Additives аnd Institute of Animal Biology
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