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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

Prevalence of helminth infections in domestic and wild ruminants in Czechoslovakia is discussed. Systematic control of Fasciola and Dictyocaulus infections in cattle and sheep was undertaken (by the State Veterinary Institute, Liberec, Czechoslovakia) in 1970-1980 and in deer in 1981-1985; the...

Author(s)
Chroust, K.
Citation
Angewandte Parasitologie, 1989, 30, 1, pp 11-14
Abstract

Eighteen calves were raised individually and experimentally infected with D. viviparus (4000 3rd-stage larvae by gavage). Faecal samples were collected 27 and 28 days later and numbers of larvae/g (lpg) determined. The animals were then divided into 3 groups. Group 1 animals remained untreated as...

Author(s)
Vanparijs, O.; Quick, J. M.
Citation
Veterinary Parasitology, 1991, 38, 1, pp 75-79
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

Ivermectin was tested against natural coccidian and helminthic infections in animals in Belarus. Given in group treatment, in feed at 0.2 and 0.3 mg/kg, it was 80 to 100% effective against gastrointestinal strongyles in sheep and cattle, 90% effective (at 0.3 mg/kg) against Dictyocaulus in sheep...

Author(s)
Lipnitskiĭ, S. S.
Citation
Veterinarnaya Nauka - Proizvodstvu, 1990, 28, pp 136-138
Abstract

Twenty parasite-naive calves aged approximately four months were divided randomly into four groups of five. Two groups were treated with oral lungworm vaccine. One immunised group plus another non-immunised group were put out to graze on May 1 on a pasture known to be contaminated with D. viviparus ...

Author(s)
Taylor, S. M.; Mallon, T. M.; Green, W. P.
Citation
Veterinary Record, 1990, 126, 8, pp 185-188
Abstract

Two experiments were performed to study the effect of an oxfendazole pulse release intraruminal device (OPRB) on the development of lungworm infection and immunity in calves. Infections were monitored in OPRB-treated and control calves by faecal and pastural larval counts. Levels of immunity of...

Author(s)
Eysker, M.; Boersema, J. H.; Kooyman, F. N. J.
Citation
Research in Veterinary Science, 1990, 48, 3, pp 301-305
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

The control of Dictyocaulus viviparus in cattle is discussed with reference to environmental, management and chemotherapeutic factors. Older cattle as sources of infection are less important than those in their first pasture season. Contamination of pasture through infected, bought-in stock, wild...

Author(s)
Pfeiffer, H.
Publisher
Deutsche Veterinärmedizinische Gesellschaft, Giessen/Lahn, German Federal Republic
Citation
Symposium "Weideparasitosen", Fachgruppe Parasitologie und parasitäre Krankheiten, Deutsche Veterinärmedizinische Gesellschaft, Bad Zwischenahn, 17. u.18. September 1987., 1988, pp 124-129
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

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