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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

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
Abstract

This paper reviews what is known and not known about the epidemiology of Ostertagia ostertagi and related gastrointestinal nematodes in commercial beef-type cow herds in southeastern USA (Alabama, Louisiana, Arkansas, Georgia, Florida, Mississippi, Tennessee and eastern Texas) under the headings:...

Author(s)
Snyder, D. E.
Citation
Veterinary Parasitology, 1993, 46, 1-4, pp 277-288
Abstract

Observations on faecal egg count (FEC) and nematode identification data were compiled to help determine the extent of nematode parasitism in cows and their nursing calves in various regions of the USA. Overall mean FEC values for cows in Utah, Louisiana, Nevada, Texas and California were 7 eggs per ...

Author(s)
Miller, J. E.
Citation
Veterinary Parasitology, 1993, 46, 1-4, pp 289-295
Abstract

Seven studies were conducted in commercial grazing operations to confirm anthelmintic efficacy, assess acceptability, and measure the productivity response of cattle to treatment with eprinomectin in an extended-release injectable formulation (ERI) when exposed to nematode infected pastures for 120 ...

Author(s)
Kunkle, B. N.; Williams, J. C.; Johnson, E. G.; Stromberg, B. E.; Yazwinski, T. A.; Smith, L. L.; Yoon, S.; Cramer, L. G.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Veterinary Parasitology, 2013, 192, 4, pp 332-337

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