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VetMed Resource

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Abstract

In the west of Scotland the epizootiology of parasitic bronchitis in grazing calves was studied over a 2-year period with the aid of tracer calves and herbage examinations for Dictyocaulus viviparus larvae. The observations of both years emphasized the importance of overwintered lungworm larvae as...

Author(s)
Duncan, J. L.; Armour, J.; Bairden, K.; Urquhart, G. M.; Joergensen, R. J.
Citation
Veterinary Record, 1979, 104, 13, pp 274-278
Abstract

The correspondents draw attention to instances of clinical ostertagiasis or parasitic bronchitis in young cattle after introduction onto aftermath pastures in late summer that had not been grazed by livestock since the previous autumn. Clinical or other evidence of infection appeared too soon for...

Author(s)
Armour, J.; Al Saqur, I. M.; Bairden, K.; Duncan, J. L.; Urquhart, G. M.
Citation
Veterinary Record, 1980, 106, 8, pp 184-185
Abstract

In Glasgow, Scotland, 10 soil samples of surface area 28 cm2 were taken to a depth of 10 cm from a permanent cattle pasture monthly between August 1978 and July 1979. Ostertagia ostertagi larvae were found on each occasion in the root-mat layer, in the soil down to 5 cm and at 5-10 cm, and the...

Author(s)
Armour, J.; Bairden, K.; Al Saqury, I. M.; Duncan, J. L.
Publisher
Martinus Nijhoff for the Commission of the European Communities., The Hague, Netherlands
Citation
Epidemiology and control of nematodiasis in cattle. An animal pathology Workshop in the CEC Programme of Coordination of Agricultural Research, Royal Veterinary and Agricultural University, Copenhagen, Denmark, 4-6 February 1980. (Current Topics in Veterinary Medicine and Animal Science Vol.9.), 1981, pp 277-282
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

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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