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VetMed Resource

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

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Abstract

Four calves were given 50 000, 150 000, 200 000 or 300 000 infective larvae by mouth; 2 calves were not inoculated. From 46 days later all 6 calves were given 470 000 infective larvae over 63 days in increasing doses (1000-50 000 larvae 3 times each week) and examined PM on day 122, 13 days after...

Author(s)
Snider, T. G.; Williams, J. C.; Sheehan, D. S.; Fuselier, R. H.
Citation
Veterinary Parasitology, 8, 2, pp 173-183
Abstract

In Louisiana, USA, post-mortem worm counts on the abomasa of 7 yearling beef steers in early February (1977) revealed from 5,000 to 20,000 Ostertagia ostertagi/steer of which 13.7 to 51.6% (average 36.2%) were inhibited (early 4th-stage) larvae. In controlled tests at the end of February...

Author(s)
Williams, J. C.; Knox, J. W.; Sheehan, D.; Fuselier, R. H.
Citation
Veterinary Record, 1977, 101, 24, pp 484-486
Abstract

The efficacy of albendazole in removing gastrointestinal nematodes and tapeworms was studied in 16 treated and 16 untreated (control) beef calves. It was administered as an oral drench at 5 ml/45.5 kg of body weight (5 mg/kg). Percentage of efficacy against the various genera was: Trichostrongylus...

Author(s)
Williams, J. C.; Sheehan, D.; Fuselier, R. H.
Citation
American Journal of Veterinary Research, 1977, 38, 12, pp 2037-2038
Abstract

In northwest Louisiana, USA, beginning in November 1977 two or 3 cattle were removed each month from a grazing herd and examined post-mortem to find out when inhibited 4th-stage larvae of Ostertagia ostertagi were most numerous. Peak worm populations (50 000 to 100 000/animal) were discovered in...

Author(s)
Williams, J. C.; Knox, J. W.; Sheehan, D. S.; Fuselier, R. H.
Citation
American Journal of Veterinary Research, 1979, 40, 8, pp 1087-1090
Abstract

Albendazole, as a paste formulation, was evaluated for its efficacy against inhibited early fourth stage larvae of Ostertagia ostertagi in naturally infected, yearling beef cattle in April. The mean number of inhibited larvae in 11 untreated control cattle was 107,166. At the dosage level of 7.5 mg ...

Author(s)
Williams, J. C.; Knox, J. W.; Sheehan, D.; Fuselier, R. H.
Citation
Veterinary Record, 1979, 105, 5, pp 98-100