CÉSAR A. FIEL (Veterinarian) and PEDRO E. STEFFAN (Ph.D, in Veterinary Medicine).
Area of Parasitology and Parasitic Diseases, Department of Animal Health and Preventive Medicine, School of Veterinary Sciences, UNCPBA, University Campus (7000) Tandil

Controlled test to assess the efficacy of a combination of anthelmintics (Ivermectin-Levamisole) against infections caused by Trichostrongylidae nematodes in bovines and ovines