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VetMed Resource

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

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Abstract

Of 16 naturally infected cattle aged 10-12 months, not previously wormed, 8 were treated with 500 µg/g ivermectin pour-on. Faecal examinations, and PM examinations on days 9-10, revealed 100% efficacy against Haemonchus placei, Oesophagostomum radiatum, O. venulosum and Dictyocaulus viviparus, over ...

Author(s)
Steffan, P. E.; Castro, T. E.
Citation
Veterinaria Argentina, 1990, 7, 70, pp 668,670-674
Abstract

Author(s)
Schnieder, T.; Wheeler, S.
Citation
Angewandte Parasitologie, 1991, 32, 4, pp 185-192
Abstract

The article reviews development, efficacy, activity, dosage of Ivomecsmallcap˜R Pour-On, a new formulation containing ivermectin and which has been launched recently in Ireland. Applied at the rate of 5 ml/kg body weight, the drug completely cleared calves of Ostertagia ostertagi and Dictyocaulus...

Author(s)
McMullin, P. F.
Citation
Irish Veterinary News, 1991, 13, 9, pp 23,25-26
Abstract

The persistent anthelmintic effect of ivermectin as a topical treatment at 500 µg/kg was evaluated against induced infections of Ostertagia ostertagi, Trichostrongylus axei and Dictyocaulus viviparus in eighteen 2 to 3 month old calves. The results showed a highly significant anthelmintic activity...

Author(s)
McKenna, P. B.
Citation
New Zealand Veterinary Journal, 1989, 37, 4, pp 146-147
Abstract

Two groups of yearling cattle which had been treated with ivermectin either three and eight, or three, eight and 13 weeks after turn out to trichostrongyle contaminated pasture in their first grazing season were exposed in the following season to natural challenge with helminth parasites. To assess ...

Author(s)
Armour, J.; Bairden, K.; Ryan, W. G.
Citation
Veterinary Record, 1988, 122, 10, pp 223-225
CABI Book Chapter Info
Cover for The use of macrocyclic lactones to control parasites of domesticated wild ruminants.

Author(s)
Marley, S. E.; Conder, G. A.
ISBN
2002 CAB International (H ISBN 0851996175)
Type
Book chapter
Abstract

In separate experiments, the immune status of six matched pairs of yearling heifers from a field in which both parasitic gastroenteritis and husk had occurred in control animals, was tested with a single massive challenge of either Dictyocaulus viviparus or Ostertagia ostertagi. The clinical...

Author(s)
Jacobs, D. E.; Pitt, S. R.; Foster, J.; Fox, M. T.
Citation
Research in Veterinary Science, 1987, 43, 2, pp 273-275
Abstract

During the spring of 1985, 40 calves grazed pastures known to have high numbers of spring inhibition-prone, infective O. ostertagi larvae. Calves were removed from pasture and placed in outdoor pens with concrete floors from 10 days prior to treatment until necropsy 14 days after treatment. 10...

Author(s)
Miller, J. E.; Hembry, F. G.; Kearney, M. T.
Citation
American Journal of Veterinary Research, 1988, 49, 7, pp 1007-1009
Abstract

Two studies demonstrated the persistent activity of ivermectin injected subcutaneously into cattle at 200 µg/kg in preventing the establishment of induced infections with Ostertagia ostertagi, Cooperia oncophora and Dictyocaulus viviparus. There were reductions in mean worm count (compared with the ...

Author(s)
Armour, J.; Bairden, K.; Batty, A. F.; Davison, C. C.; Ross, D. B.
Citation
Veterinary Record, 1985, 116, 6, pp 151-153
Abstract

Ivermectin dosages which permitted ≤ 1% of infected control calf worm populations to establish ranged from < 2.5 µg/kg/day, which totally prevented infection with Dictyocaulus viviparus and Oesophagostomum radiatum, to ∼ 30 µg/kg/day required to suppress Nematodirus helvetianus to the same...

Author(s)
Egerton, J. R.; Suhayda, D.; Eary, C. H.
Citation
Veterinary Parasitology, 1986, 22, 1/2, pp 67-75

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