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VetMed Resource

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

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Abstract

This article gives an account of Dictyocaulus viviparus in cattle with particular reference to research undertaken in Louisiana, USA. The infection is considered under the headings of life cycle, clinical signs, recognition and diagnosis, seasonal transmission and control of the infection. The main ...

Author(s)
Williams, J. C.; Eddi, C. S.
Citation
Louisiana Agriculture, 1990, 33, 3, pp 18-20
Abstract

The anthelmintic efficacy of abamectin (avermectin B) was evaluated against gastrointestinal nematodes, including O. ostertagi inhibited larvae and lungworm, in yearling crossbred beef heifers in Louisiana, USA, during late spring. The calves were grazed on contaminated pasture for 10 weeks and...

Author(s)
Williams, J. C.; Loyacano, A. F.; Nault, C.; Ramsey, R. T.; Plue, R. E.
Citation
Veterinary Parasitology, 1992, 41, 1-2, pp 77-84
Abstract

An epidemiological investigation was conducted between January 1986 and February 1987 on a permanent pasture in Baton Rouge, Louisiana, USA, which was naturally contaminated with D. viviparus and grazed by a varying number of yearling cattle. Seasonal variation in pasture infectivity to cattle was...

Author(s)
Eddi, C. S.; Williams, J. C.; Swalley, R. A.
Citation
Veterinary Parasitology, 1989, 31, 1, pp 37-48
Abstract

Experiments were carried out during summer and winter conditions to determine if D. viviparus infective larvae could survive on pasture during these seasons in Louisiana, USA. Pairs of tracer calves were grazed in August and September on a pasture that was heavily contaminated in May and then left...

Author(s)
Eddi, C. S.; Williams, J. C.; Swalley, R. A.
Citation
Proceedings of the Helminthological Society of Washington, 1988, 55, 2, pp 171-174
Abstract

The efficacy of febantel at a dosage of 5 mg/kg (45.5% paste formulation) against inhibited early 4th-stage larvae (EL4) of Ostertagia ostertagi, other nematodes of the abomasum, and Dictyocaulus viviparus was investigated in 4- to 6-month-old Holstein calves that grazed on pasture heavily...

Author(s)
Williams, J. C.; Marbury, K. S.; Eddi, C. S.; Willis, E. R.; Luther, D. G.
Citation
American Journal of Veterinary Research, 1988, 49, 12, pp 2085-2089