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Abstract

Experience of the practical aspects of 20 years of vaccination against Dictyocaulus viviparus in cattle is reviewed and related to recent advances in chemotherapy. Problems inhibiting the development of future parasite vaccines are briefly considered.

Author(s)
Duncan, J. L.; Urquhart, G. M.
Publisher
International Atomic Energy Agency, Vienna, Austria
Citation
Nuclear techniques in the study of parasitic infections. (Proc. Internat. Symp., IAEA, FAO, UNEP, Vienna, 29 June to 3 July 1981.), 1982, pp 105-112
Abstract

The degree of nematode infectivity of a previously contaminated pasture (grazed by cattle and calves) in Rio Grande do Sul State, Brazil, which was reseeded after harvesting of a soya bean crop was determined by use of 4 tracer lambs and 4 tracer calves. The 8 tracers were put to graze for 14 days...

Author(s)
Echevarria, F. A. M.; Armour, J.; Duncan, J. L.; Pinheiro, A. C.
Citation
Veterinary Parasitology, 1993, 50, 1/2, pp 151-155
Abstract

Worm-free lambs (n = 6) were infected with 5 000 L3 of an ivermectin/benzimidazole/closantel resistant strain of H. contortus. On day 21 post infection animals were allocated according to worm egg counts, to 2 groups of 3 animals each and on day 29 one group was treated with albendazole at 3.8...

Author(s)
Echevarria, F. A. M.; Armour, J.; Bairden, K.; Duncan, J. L.
Citation
Journal of the South African Veterinary Association, 1993, 64, 1, pp 31-34
Abstract

The effect of annually alternating cattle and sheep was investigated in UK as an alternative to drug therapy in the control of bovine helminth infections. Until the second grazing season this system appeared to be successful, with a marked reduction in cattle worm burdens. However, by the end of...

Author(s)
Bairden, K.; Armour, J.; Duncan, J. L.
Citation
Veterinary Parasitology, 1995, 60, 1/2, pp 119-132
Abstract

In order to establish the infection pattern with gastrointestinal nematodes in ruminants in the central Kenya highlands, a study was carried out in 58 smallholder farms between March 1995 and October 1996. The study involved monthly faecal examinations from sheep, goats and cattle and pasture...

Author(s)
Nginyi, J. M.; Duncan, J. L.; Mellor, D. J.; Stear, M. J.; Wanyangu, S. W.; Bain, R. K.; Gatongi, P. M.
Publisher
W.B. Saunders, London, UK
Citation
Research in Veterinary Science, 2001, 70, 1, pp 33-39

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