| prevalence of some internal parasites recovered at necropsy of thoroughbreds born in 1982 in kentucky. | a total of 89 thoroughbreds, 14 to 333 days old (born in 1982), were examined at necropsy for certain internal parasites during a 1-year-period, mar 1, 1982, to feb 28, 1983. the eyes of 73 of the horses and the cranial mesenteric arteries of 71 were examined. specific interest was on prevalence of parasites according to month of the year and age of the horses at necropsy. parasites recovered (first month-last month infected horse found) were as follows: thelazia lacrymalis (eyes) immature and m ... | 1985 | 3994134 |
| transmission of some species of internal parasites in horses born in 1990, 1991, and 1992 in the same pasture on a farm in central kentucky. | studies were conducted on transmission of natural infections of several species of internal parasites in horses born and kept on the same pasture on a farm in central kentucky. data for the first year (1989) of a 4 year study on this farm have been published recently. the present research represents the second (1990), third (1991), and fourth (1992) years of the investigation. the number of animals (n = 28) examined varied from eight born in 1990 to ten each born in 1991 and 1992. for each year, ... | 1994 | 8073609 |
| prevalence of large endoparasites at necropsy in horses infected with population b small strongyles in a herd established in kentucky in 1966. | two closed horse herds (old lot 4 and field 24), infected since 1966 with population b small strongyles resistant to thiabendazole (tbz) and phenothiazine (ptz), were terminated in february, march, and may, 2005. at necropsy, only the large endoparasites were identified and counted. the number of horses on pasture was 14 (239 days of age to 23 years old) for old lot 4 and two (3 to 20 years old) for field 24. the time of the last antiparasitic treatment, relative to the year (2005) of necropsy, ... | 2006 | 16508764 |