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Abstract

Fifteen 6 to 10-week-old calves were grazed for 27 days (October 28th to November 24th, 1975) on pasture heavily contaminated with Ostertagia ostertagi larvae. They were then housed and divided into 3 equal groups. Group one was treated orally with fenbendazole at 7.5 mg/kg body-weight, group 2...

Author(s)
Duncan, J. L.; Armour, J.; Bairden, K.; Jennings, F. W.; Urquhart, G. M.
Citation
Veterinary Record, 1976, 98, 17, pp 342
Abstract

Author(s)
Duncan, J. L.; Armour, J.; Bairden, K.; Jennings, F. W.; Urquhart, G. M.
Citation
Veterinary Record, 1977, 101, 12, pp 249-250
Abstract

Calves were grazed from November 22nd 1976 to January 11th 1977 on pasture heavily contaminated with infective larvae of Ostertagia ostertagi and Cooperia oncophora and were then divided into 3 groups which were treated orally with oxfendazole at 0, 2.5 or 5.0 mg/kg body-weight. Postmortem...

Author(s)
Armour, J.; Duncan, J. L.; Reid, J. F. S.
Citation
Veterinary Record, 1978, 102, 12, pp 263-264
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

Author(s)
Reid, J. F. S.; Armour, J.; Duncan, J. L.
Publisher
Organizing Committee., Warsaw, Poland
Citation
4th International Congress of Parasitology, 19-26 August, 1978, Warsaw. Short communications, Section D., 1978, pp 42
Abstract

Ten calves were grazed from October 7th to November 2nd, 1977, on pasture contaminated with larvae of Ostertagia ostertagi and other gastro-intestinal nematodes. The calves were then housed and, on November 8th, 5 were given thiophanate orally in a single dose of 132 mg/kg body-weight. All 10...

Author(s)
Duncan, J. L.; Armour, J.; Bairden, K.; Baines, D. N.
Citation
Veterinary Record, 1979, 105, 19, pp 444-445
Abstract

The epidemiology of ostertagiasis in south-west Scotland was studied in groups of cattle grazed through two successive grazing seasons separated by a period of winter housing. Towards the end of the first grazing season (September) the numbers of infective larvae (L3) on the pasture had increased...

Author(s)
Armour, J.; Bairden, K.; Duncan, J. L.; Jennings, F. W.; Parkins, J. J.
Citation
Veterinary Record, 1979, 105, 22, pp 500-503
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

In a number of controlled trials in cattle using experimental infections, Netobimin, administered orally at 7.5 mg/kg showed efficacies of 90-96%, 98-100% and 88-97% against adult Ostertagia ostertagi, Dictyocaulus viviparus and Cooperia oncophora, respectively, while larvicidal activity, as...

Author(s)
Duncan, J. L.; Armour, J.; Bairden, K.
Citation
Proceedings of the 14th World Congress on Diseases of Cattle, Dublin, 1986, 1, pp 166-169

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