field studies on endoparasites of thoroughbred foals on seven farms in central kentucky in 2004. | fecal samples (n=1,584) for a parasite study were collected from thoroughbred foals (n=349), 28 to 330 days old, on seven farms in central kentucky during 49 monthly trips from may to october, november, or december 2004. the main purpose was to determine possible drug resistance of ascarids, also of strongyles, to ivermectin (ivm) and other commercially available compounds [fenbendazole, moxidectin (mox), oxibendazole (obz), and pyrantel pamoate]. in addition, interest was on prevalence of foal ... | 2006 | 16385405 |