Abstract
In 2024, a parasitological study of sheep was conducted in the West Kazakhstan region on the farms «Moldir» and «Nurbergen» in the Zhanibek district, Uzynkol rural district. The aim of the study was to investigate the prevalence of helminthiasis and coccidiosis using coprological methods. A total of 64 faecal samples collected during the summer were analysed. The results showed that 100% of the animals studied were infected with various types of parasites. Classic qualitative and quantitative methods were used in the study: the Fulleborn method, flotation with zinc sulfate solution, and the Darling method. As a result, eggs of five species of helminths were detected (Nematodirus spathiger - 12.76%, Nematodirella sp. - 17.02%, Haemonchus contortus - 4.25%, Moniezia benedeni - 10.63%, Trichocephalus ovis - 6.38%) and oocysts of coccidia of the genus Eimeria spp. in 85.94% of samples (1-137 oocysts/sample). The data obtained indicate a pronounced polyinvasion in the flock, which is typical for a pasture-based sheep farming system with inadequate sanitary and hygienic control. The predominance of Eimeria spp. confirms their high epizootiological significance and potential danger to young animals. Nematodes of the genus Nematodirus and Haemonchus contortus remain relevant pathogens associated with digestive disorders and anemia. The detection of cestodes (Moniezia) and trichocephal (T. ovis) completes the picture of polyinvasion. The results confirm the presence of polyinvasions characteristic of extensive animal husbandry and emphasize the need for regular epizootiological monitoring. The data obtained can serve as a basis for the development of regional deworming programs, anticoccidial measures, and the improvement of parasite disease prevention schemes in sheep farms.