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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

Three groups of calves were put out to graze on separate paddocks within a field known to be infected with Dictyocaulus viviparus and were also given a small initial trickle infection of the parasite. The first group were untreated controls, the second were immunized with live irradiated lungworm...

Author(s)
Taylor, S. M.; Mallon, T. R.; Green, W. P.
Citation
Veterinary Record, 1986, 119, 15, pp 370-372
Abstract

Comparisons were made of the effects of different early season anthelmintics on Dictyocaulus viviparus and Osteragia ostertagi. Estimated worm burdens indicated that oxfendazole resulted in a 78.1% reduction of O. ostertagi and 84.4% of D. viviparus, produced a 94.3% reduction in O. ostertagi and...

Author(s)
Taylor, S. M.
Citation
Annual report on research and technical work of the Department of Agriculture for Northern Ireland, 1985., 1986, pp 154-155
Abstract

An assessment is given of those anthelmintics available in Britain that are capable of removing over 90% of the important helminths of ruminants; where appropriate, effective drugs only available outside Britain are also discussed. The helminth diseases considered are parasitic gastro-enteritis...

Author(s)
Armour, J.; Bogan, J.
Citation
British Veterinary Journal, 1982, 138, 5, pp 371-381
Abstract

In Hertfordshire, UK, 60 beef cattle (12 first-season and 48 2nd-season grazing animals) were divided into 3 groups according to age and body weight. Half of each group was given, before turnout, a morantel sustained-release bolus and the rest served as untreated controls. The groups were moved...

Author(s)
Jacobs, D. E.; Fox, M. T.; Jones, R. M.; Bliss, D. H.
Citation
Veterinary Record, 1982, 110, 17, pp 399-402
Abstract

Seventy-one worm-free Friesian calves were allocated by weight to 3 trial groups (1, 3 and 4) of 18 and a control group (2) of 17 animals. Calves in group 1 were vaccinated with a bovine lungworm oral vaccine (Dictol) on days 0 and 28, and on day 42 all groups were turned out to graze together on...

Author(s)
Oakley, G. A.
Citation
Veterinary Record, 1982, 111, 17, pp 385-388

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