Lyons E T, Tolliver S C, Drudge J H, Granstrom D E, Collins S S
Department of Veterinary Science, Gluck Equine Research Center, University of Kentucky, Lexington 40546-0099.
Vet Parasitol. 1993 Oct;50(1-2):101-7. doi: 10.1016/0304-4017(93)90010-k.
During the period 28 February-1 July 1992, fecal samples were collected and examined for eggs of Strongyloides westeri once from each of 382 horse foals (364 Thoroughbreds, 16 Standardbreds, one Lippizaner, and one draft-type horse) in central Kentucky. Ages of the foals at the time of sampling ranged from 7 to 63 days (mean 22 days). The nine farms in the study were considered to have overall excellent deworming programs. None of the foals had been treated with an antiparasitic compound before the study. Eggs of S. westeri were found in 6% (22 of 382) of the foals on 78% (7 of 9) of the farms. Current prevalence of this parasite in foals is discussed relative to studies before the availability and usage of effective drugs.
在1992年2月28日至7月1日期间，从肯塔基州中部的382匹小马驹（364匹纯种马、16匹标准bred马、1匹利皮扎马和1匹挽马）中各采集一次粪便样本，检查是否有西氏类圆线虫卵。采样时小马驹的年龄在7至63天之间（平均22天）。研究中的9个农场被认为总体驱虫计划良好。在研究之前，没有一匹小马驹接受过抗寄生虫化合物治疗。在9个农场中的7个（78%）农场里，6%（382匹中的22匹）的小马驹粪便中发现了西氏类圆线虫卵。本文结合有效药物出现和使用之前的研究，讨论了目前这种寄生虫在小马驹中的流行情况。
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