Transmission of some species of internal parasites in horses born in 1993, 1994, and 1995 on the same pasture on a farm in central Kentucky

摘要: Abstract Data are presented on the last 3 years of a 7-year study (1989–1995) transmission natural infections internal parasites in horse foals (n = 27) born 1993, 1994, and 1995 same pasture farm central Kentucky. The were closed breeding herd horses. Research first 4 (1989–1992) was published earlier (Lyons et al., 1991, 1994). Thirty-five species endoparasites identified, including 24 small strongyles. Monthly, seasonal, host-age patterns elucidated for parasites. Comparison data between indicates similarities, but also differences, an increase prevalence numbers Thelazia lacrymalis Anoplocephala perfoliata.