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VetMed Resource

Veterinary information to support practice, based on evidence and continuing education

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Abstract

An experiment was conducted to compare the anthelmintic efficacy of albendazole (ABZ), levamisole (LEV) and fenbendazole (FBZ) against inhibited early 4th-stage larvae (EL4) of Ostertagia ostertagi during April in Louisiana, USA. Forty cross-bred beef heifers (average weight 165 kg) were acquired...

Author(s)
Williams, J. C.
Citation
Veterinary Parasitology, 1991, 40, 1-2, pp 59-71
Abstract

Levamisole (LEV) was tested in 4 experiments to compare efficacy values against O. ostertagi when larval maturation was occurring (September), following inhibition and also when populations were expected to be largely adult (winter). A primary objective was to determine the importance of developing ...

Author(s)
Williams, J. C.; Knox, J. W.; Marbury, K. S.; Swalley, R. A.; Eddi, C. S.
Citation
Veterinary Parasitology, 1991, 40, 1-2, pp 73-85
Abstract

A total of 324 steers were randomly allotted into 4 treatment groups. Preliminary slaughters indicated that 95% of the cattle had O. ostertagi inhibited larvae. Nine calves from each group were examined at slaughter for efficacy evaluation 12 or 13 days after treatment. Efficacies against inhibited ...

Author(s)
Williams, J. C.; Bechtol, D. T.; Hollis, L. C.; Herschler, R. C.
Citation
Agri-Practice, 1991, 12, 5, pp 14-15, 17-20
Abstract

The anthelmintic efficacy of ivermectin (IVM) delivered from a sustained-release (SR) bolus was evaluated against natural infections with gastrointestinal tract nematodes in 12 crossbred beef heifers in spring in Louisiana, USA. The 12 calves were randomly allotted to 2 groups of 6 calves each....

Author(s)
Williams, J. C.; Plue, R. E.
Citation
American Journal of Veterinary Research, 1992, 53, 5, pp 793-795