| 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 |
| parasites in kentucky thoroughbreds at necropsy: emphasis on stomach worms and tapeworms. | a total of 363 thoroughbreds (62 males, 292 females, and 9 geldings), 1 to 26 years of age, were examined at necropsy for internal parasites for about a 12-month period from february 1981 through february 1982. emphasis was on examining the stomach for nematodes and the small intestine and cecum for tapeworms. parasites recovered from the stomach and infection rates were: habronema spp--immature (24%), h muscae--adult (38%), draschia megastoma--immature (13%), d megastoma--adult (62%), and trich ... | 1983 | 6869991 |
| 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 |
| prevalence of internal parasites in horses in critical tests of activity of parasiticides over a 28-year period (1956-1983) in kentucky. | the prevalence and number of naturally acquired gastrointestinal parasites were compiled for horses used in critical tests of activity of parasiticides over a 28-year period (1956-1983). data are presented as follows: n = number of horses examined; % = mean prevalence; number in parentheses after % = aggregate mean number of parasites in infected horses. parasites found were: bots (n = 513) - gasterophilus intestinalis, 2nd instar, 61%(58); 3rd instar, 94%(168); g. nasalis, 2nd instar, 36%(28); ... | 1987 | 3564356 |
| common internal parasites found in the stomach, large intestine, and cranial mesenteric artery of thoroughbreds in kentucky at necropsy (1985 to 1986). | a total of 278 thoroughbreds (less than 1 to 31 years old) were examined at necropsy (july 9, 1985, to feb 2, 1986) in kentucky for various internal parasites. examination was not made of all the horses for each of the parasites. specific parasites recovered from the stomach of foals (n = 30) and yearlings and older horses (n = 96) and percentage (in parentheses) of each age category infected, respectively, were as follows: gasterophilus intestinalis 2nd instar (53% and 32%) and 3rd instar (37% ... | 1987 | 2950814 |