Strongyle infection was detected in 68% of 320 horses from 9 farms in western Turkey. Egg counts per gram of faeces (EPG) were more than 950 in half of the animals. The persistent efficacy of 3 different anthelmintics to suppress cyathostome EPG was compared on a horse farm. One group of horses was treated with moxidectin on day 0, and the 2 other groups received pyrantel embonate or ivermectin on days 0 and 70. Pyrantel embonate reduced the EPG by >90% for 2 weeks; thereafter egg counts steadily increased. Ivermectin reduced the EPG by >98% for up to 6 weeks. In contrast, one treatment with moxidectin resulted in a persistent efficacy of >98% for at least 16 weeks.
Strongyles, horse, ivermectin, moxidectin, pyrantel embonate
ÇIRAK, VELİ YILGÖR; GÜLEĞEN, ENDER; and BAUER, CHRISTIAN (2005) "The Prevalence of Strongyle Infections and Persistent Efficacy of Pyrantel Embonate, Ivermectin and Moxidectin in Turkish Horses," Turkish Journal of Veterinary & Animal Sciences: Vol. 29: No. 1, Article 28. Available at: https://journals.tubitak.gov.tr/veterinary/vol29/iss1/28