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Abstract

Experiments in Denmark since 1974 have shown that daily weight gains by calves at pasture are increased when control measures against ostertagiasis are applied. Herbage larval counts and serum pepsinogen analyses confirmed the efficacy of the control measures used. In Denmark the different control...

Author(s)
Foldager, J.; Sejrsen, K.; Nansen, P.; Jorgensen, R. J.; Henriksen, S. A.; Hansen, J. W.
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 389-411
Abstract

This review primarily discusses the status and prospects for control of bovine ostertagiasis in northern Europe, with examples from Denmark, under the headings: prospects for control of ostertagiasis in relation to farming intensity and specialisation; immunity and control (naturally acquired...

Author(s)
Nansen, P.
Citation
Veterinary Parasitology, 1993, 46, 1-4, pp 3-21
Abstract

The effects of tactical treatments with ivermectin were evaluated against trichostrongyles in first-season grazing heifer calves in the Danish marshland. A group of 16 Black-Pied Friesian calves was turned out in early May on a permanent pasture naturally infected with trichostrongyle larvae. In...

Author(s)
Steffan, P. E.; Nansen, P.
Citation
Veterinary Parasitology, 1990, 37, 2, pp 121-131
Abstract

In a study of beef cattle in Limousin, France, suckling calves had an average worm burden of 550 when killed in August, and in those killed at the beginning of October the burden averaged 14 200. The majority were Ostertagia ostertagi and, of these, 49% in August and 83% in October were 4th-stage...

Author(s)
Raynaud, J. P.; Mage, C.; Le Stang, J. P.; Jones, R. 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 193-212
Abstract

Several anthelmintics suppressed the output of Ostertagia ostertagi and Cooperia oncophora eggs and Dictyocaulus viviparus larvae when administered at low dosage in the drinking water to artificially infected calves kept indoors. Under grazing conditions, morantel, levamisole and oxfendazole...

Author(s)
Downey, N. E.; O'Shea, 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 413-432
Abstract

Six groups, each of six calves, either grazed the same paddock over an entire season, or were moved before the July rise in herbage contamination to paddocks not grazed earlier in the same season. A comparison was also made between animals receiving no anthelmintic treatment, animals treated 3...

Author(s)
Henriksen, S. A.; Joergensen, R. J.; Nansen, P.; Sejrsen, K.; Larsen, J. B.; Klausen, S.
Citation
Veterinary Parasitology, 1976, 2, 3, pp 259-272

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