Sustained release mode for the prevention, treatment or prolonged control nematode, endoparasitic infestations and acarids and ruminant ectoparasite.

摘要

PRESENTS A SUSTAINED RELEASE BOLO containing a prophylactically effective amount of a compound selected from LL-F28249alpha, 23- (O-METILOXIMO) LL-F28249alpha and derivatives thereof, which provides a method for protect ruminants DURING extended period of time against infection from nematodes, mites and insects ENDO AND ECTOPARASITALES AND ALONG THE TIME you can also delete the initial population of parasites in treatment. The invention also relates to a method for controlling SYSTEMIC INSECT ECTOPARASITALES INFECTION ANIMAL RUMIANTES by orally administering to said animals A sustained release bolus containing an insecticidally LL-F28249 EFFECTIVE ALFA, 23- (QUANTITY OR - METILOXIMO) LL-F28249 ALFA or derivatives thereof, which continuously released INSIDE THE sTOMACH OF ANIMAL TREATY.