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Thirty-eight sheep flocks, located in three municipalities in the Eastern Yucatan, Mexico, were surveyed for gastrointestinal nematodes resistant to benzimidazole (BZD) anthelmintics (AH). On each flock, 30 sheep were randomly distributed into two groups of 15 animals: albendazole group (5 mg/kg...

Torres-Acosta, J. F. J.; Dzul-Canche, U.; Aguilar-Caballero, A. J.; Rodríguez-Vivas, R. I.
Elsevier Science B.V., Amsterdam, Netherlands
Veterinary Parasitology, 2003, 114, 1, pp 33-42