The influence of a heavy infection with sensitive and resistant strains of Ostertagia circumcincta and with Trichostrongylus colubriformis on the pharmacokinetics of febantel in lambs

agneau anthelminthique anthelmintics benzimidazole benzimidazoles cordero drug therapy drugs farmacologia fenbendazole ganado helminthose helminthoses helmintiasis lambs livestock medicamentos metabolism metabolisme metabolismo ovin ovinos oxfendazole pharmacologie pharmacology resistance to chemicals rumiante ruminant ruminants sheep teladorsagia teladorsagia circumcincta trichostrongylus colubriformis