Abstract
Parasites still remain a serious challenge in horse breeding as they not only endanger animal health but pose a threat to its life as well.
Out of the parasitic infections, warble infestation deserves a discussion as this group of para-sitic skin conditions is subclinical in its detriment and most frequently and adversely affects the development of a juvenile horse. This fact is related to the mechanism of parasite life cycle which induces extensive tissue damage during its development stage.
The present study revealed an increased Gasterophilus sp. warble fly burden in horse stom-achs, from 20.4% in the first 10 days of June up to 25.8% in the third 10 days’ period of this month. In I study period, male horses were shown to be affected by the invasion more often (24.16%), while in II period – females (33.3%).
The highest invasion extensivity was determined in II study period in horses aged 2–3 years (37.93%), whereas the least affected group appeared to be animals at 2–5 year of age examined in the first 10 days of June.
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