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Abstract

Dictyocaulus viviparus infective larvae were found to migrate in agar gel made up with cattle bile. The numbers of migrating larvae were directly related to temperature and time, inversely related to agar thickness but independent of the agar concentration. Larvae that migrated out of the agar...

Author(s)
Jorgensen, R. J.
Citation
International Journal for Parasitology, 1975, 5, 2, pp 199-202
Abstract

In Denmark in 1979, two groups of 12 parasite-free calves were turned out on 9 and 22 May 1979, respectively, onto separate halves of a pasture contaminated the previous autumn with Dictyocaulus viviparus (plots E and N). After 6 weeks each plot was halved again and the 6 calves on one half of each ...

Author(s)
Jorgensen, R. J.
Citation
Acta Veterinaria Scandinavica, 1980, 21, pp 658-676
Abstract

This is a detailed report of experiments carried out in Denmark in 1974-78 during a cooperative research project involving the National Institute of Animal Science, the State Veterinary Serum Laboratory and the Royal Veterinary and Agricultural University. After introductory remarks on...

Author(s)
Foldager, J.; Sejrsen, K.; Larsen, J. B.; Nansen, P.; Jorgensen, R. J.; Hansen, J. W.; Henriksen, S. A.
Publisher
Landhusholdningsselskabets forlag., Copenhagen, Denmark
Citation
Bekaempelse af infektion med lobetarmorm hos kalve og kvier pa graes., 1981, pp 325 pp.
Abstract

A technique for estimating pasture contamination with Dictyocaulus viviparus larvae by examining the herbage is described. Samples are taken from near the faecal pats where the larvae are concentrated; a 2nd sample may be taken at least 100 cm away to obtain information on larval dispersal. The...

Author(s)
Jorgensen, R. 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 3-9
Abstract

Technical details of critical and controlled tests for the evaluation of anthelmintics are briefly discussed. Schemes for testing anthelmintics in cattle (against adult and immature nematodes) are presented.

Author(s)
Duwel, D.
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 75-79
Abstract

The abomasa of 5 naturally infected cows were thoroughly washed and then immersed in normal saline for 4 to 5 h at 40 deg C. The abomasa were then dipped several times in water at 40 deg C and discarded. The saline and the water were sieved (mesh size 38 mu m) and the residue was prepared for...

Author(s)
Downey, N. E.
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 69-72
Abstract

A 4g sample of bovine faeces is mixed thoroughly with 56 ml of flotation solution in a disposable polystyrene cup. A piece of gauze is placed over the cup and is pressed down by a 2nd cup from which the bottom has been removed. A sample of filtrate is then transferred to a McMaster slide. The...

Author(s)
Henriksen, S. A.
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 45-47
Abstract

After a day's storage of cattle faeces at 20-23 deg C the number of Dictyocaulus viviparus larvae recoverable by the Baermann technique quickly declined. In one of 2 experiments many of the larvae were recovered after the first day from the water condensed inside the plastic bag in which the faeces ...

Author(s)
Cremers, H. J. W. 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 11-14
Abstract

Experimental studies of Strongyloides papillosus in calves, and a survey of gastro-intestinal strongyles in cattle, sheep, goats, horses and pigs in Italy are reviewed.

Author(s)
Canestri-Trotti, G.
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 583-589
Abstract

The occurrence of Toxocara vitulorum in cattle in Europe, Africa and Asia is briefly discussed. Susceptibility of different breeds, pathology, life-cycle, mode of infection and treatment are then considered in turn.

Author(s)
Thienpont, D.; De Keyser, H.
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 569-581

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