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Abstract

18-month-old cattle were slaughtered during December 1983 and 1984 to determine final nematode counts. 8 of these animals in 1983 and 12 in 1984 were given albendazole at 7.5 mg/kg and retained in yards 10 days prior to slaughter. Compared to the untreated group, there were significant reductions...

Author(s)
Callinan, A. P. L.; Riffkin, G. G.
Citation
Australian Veterinary Journal, 1987, 64, 4, pp 121-122
Abstract

In field trials in 1983-84, Hereford weaner steers were given no anthelmintic treatment or were treated with morantel slow release bolus, pour-on levamisole or albendazole orally. Nematode egg counts in faeces were generally <50/g, indicating low numbers of adult nematodes. Treatment significantly affected mean faecal egg count, those for controls and morantel being 16 and 10/g above the overall mean (47/g) and levamisole and albendazole 6 and 12/g below the mean. There were no significant differences between treatments in numbers of larvae on pasture. At the end of both years most nematodes were early 4th stage larvae of O. ostertagi. There were no significant differences in nematode counts or...

Author(s)
Riffkin, G. G.; Callinan, A. P. L.
Citation
Australian Veterinary Journal, 1987, 64, 6, pp 168-172
Abstract

This review considers work done on Ostertagia ostertagi, Cooperia oncophora and Trichostrongylus axei, the 3 most important nematodes causing parasitic gastroenteritis in cattle in the temperate zone of Australia. The free-living stages in dung pats, the availability of infective larvae on pasture...

Author(s)
Anderson, N.; Donald, A. D.; Waller, P. J.
Publisher
Division of Animal Health, CSIRO, Australia
Citation
The epidemiology and control of gastrointestinal parasites of cattle in Australia., 1983, pp 47-63
Abstract

Trichostrongylid burdens in 1 to 2-year-old dairy heifers were estimated after they grazed with a dairy herd for up to 12 months. Ostertagia ostertagi, Trichostrongylus axei and Cooperia oncophora represented 79.5, 12.7 and 7.8%, respectively, of all trichostrongylids recovered. The largest burden...

Author(s)
Overend, D.; Veale, P. I.; Copland, J. W.
Citation
Australian Veterinary Journal, 1984, 61, 6, pp 169-174
Abstract

The prevalence of abomasal trichostrongylidiasis was studied in 68 dairy cows, 2 to 13 years of age, from irrigated farms within northeastern Victoria. Abomasal trichostrongyles were found in 93% of animals examined. The mean total number of O. ostertagi and T. axei recovered was 14 800...

Author(s)
Overend, D.
Citation
Australian Veterinary Journal, 1984, 61, 4, pp 124-126
Abstract

In Victoria, Australia, worm-free heifers were experimentally infected with larvae of Ostertagia ostertagi and Cooperia spp. that had been chilled to induce inhibition. After 21 days they were treated with fenbendazole (7.5 mg/kg bodyweight) or thiabendazole (88.0 mg a.i./kg) or left untreated. 7...

Author(s)
Callinan, A. P. L.; Cummins, L. J.
Citation
Australian Veterinary Journal, 1979, 55, 8, pp 370-373
Abstract

The anthelmintic treatment of Ostertagia ostertagi and Trichostrongylus axei infections of cattle is briefly reviewed with reference to work in Victoria, Australia. Details of the anthelmintics available are tabulated and preventative control schemes for use in Australia are outlined.

Author(s)
Bryden, D. I.; Anderson, N.
Publisher
Post-Graduate Committee in Veterinary Science., Sydney, NSW, Australia
Citation
Proceedings No.39 of the Refresher Course for Veterinarians, Volume 1 - The therapeutic jungle, 14-18 August, 1978, University of Sydney., 1978, pp 182-197
Abstract

In two experiments, conducted in cattle with naturally acquired infections of O. ostertagi, comparative assessments were made of the anthelmintic efficiency of levamisole, thiabendazole and fenbendazole, each at 1, 1.5 and 2 times the recommended dose rate. Variable efficiencies of 81 and 49% for...

Author(s)
Anderson, N.
Citation
Research in Veterinary Science, 1977, 23, 3, pp 298-302
Abstract

In Western Victoria, Australia, fortnightly treatment with a range of broad spectrum anthelmintics did not improve the growth rate of weaned Hereford heifers when treated and untreated groups of 12 grazed together. In a 2nd experiment one group of Angus heifers and their calves had access to...

Author(s)
Cummins, L. J.; Callinan, A. L.; Atkinson, C. J.
Citation
Proceedings of the Australian Society of Animal Production., 1978, 12, pp 278
Abstract

Experiments at Hamilton, Victoria, Australia, with tracer calves showed a sharp rise in the proportion of inhibition-prone larvae of Ostertagia ostertagi on pasture from mid-September to mid-October.

Author(s)
Pritchard, D. H.
Publisher
Australian Veterinary Association., Artarmon, NSW, Australia
Citation
Australian Advances in Veterinary Science, 1979., 1979, pp 11-12

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