Associative parasitoses of the gastrointestinal tract of horses and assessment of anti-parasitic drugs efficiency

Invasive diseases of horses are an urgent problem in the horse breeding industry Republic Belarus, as well near and far abroad countries. The main role among parasitic pathology is occupied by helminths small large intestine, larvae gasterophilus. In associative course, they cause significant economic losses associated with growth development sick young animals, reduced performance, endurance increased susceptibility to other diseases, even death animals. Planned therapeutic preventive measures using broad-spectrum anthelmintics a priority measure reduce damage industry. paper provides data on spread parasitoses gastrointestinal tract Belarus during period 2004-2020. presents species composition parasites localized stomach, intestines. Data extensiveness intensity invasions parasitocenosis digestive terms age presented. Therapeutic efficiency antiparasitic drugs various pharmacological groups mono- polyinfestations studied. High extensibility Avermectin series preparations (Avermectin paste 1 %, Rivertin %) has been determined for nematodes disease. obtained from new complex preparation “Prazimax” caused tract, including intestines, gasterophilus Anoplocephala perfoliata cestodes. course parasitocenoses horses, seasonal dynamics will allow veterinary specialists make timely diagnosis, conduct differential diagnostics, determine optimal timing diagnostic, treatments, taking into account specifics parasitocenosis.