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Abstract

Calves which grazed from October 7, 1977, pasture infested with larvae of Ostertagia ostertagi and other gastro-intestinal nematodes were treated on November 8 (after housing for 6 days) or on January 4 (after housing for one month) with fenbendazole at 7.5 mg/kg body-weight. Autopsy worm counts 8...

Author(s)
Duncan, J. L.; Armour, J.; Bairden, K.
Citation
Veterinary Record, 1978, 103, 10, pp 211-212
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

Infective trichostrongylid larvae can be recovered from soil by a process of sedimentation and filtration followed by extraction using a Baermann apparatus.

Author(s)
Bairden, K.; Duncan, J. L.; Armour, J.
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 31-34
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

Work in Scotland which indicated that outbreaks of parasitic bronchitis (Dictyocaulus viviparus) in calves can arise from larvae which have overwintered in the soil is recapitulated [see Hm/A 48, 6091].

Author(s)
Duncan, J. L.; Urquhart, G. M.
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 241-244
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

Monoclonal antibodies (MAbs) to the Dictyocaulus viviparus L3 cuticle and sheath surfaces were generated in order to define antigens present at the host-parasite interface of infective larvae. Three MAbs generated against the surface of the infective L3 cuticle bound to a phosphorylcholine-like...

Author(s)
Gilleard, J. S.; Duncan, J. L.; Tait, A.
Citation
Experimental Parasitology, 1995, 80, 3, pp 441-453

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