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Abstract

Author(s)
Nansen, P.; Henriksen, S. A.; Schultz, A.; Sejersen, K.; Joergensen, R. J.
Citation
Dansk Veterinaertidsskrift, 1976, 59, 9, pp 397-399
Abstract

A short review of serum pepsinogen (SP) analysis and its applications is presented. Blood pepsinogen (serum or plasma) content in calves experimentally infected with Ostertagia ostertagi larvae was investigated by estimating free tyrosine after incubation at 37 deg C using Folin-Ciocalteu colour...

Author(s)
Joergensen, R. J.; Henriksen, S. A.; Sejrsen, K.; Nansen, P.
Citation
Nordisk Veterinaermedicin, 1976, 28, 4/5, pp 210-216
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
Abstract

Fluctuations in the contamination of herbage with trichostrongylid larvae are determined by a number of factors, the most important being climate and management. Practical measures to prevent calves from ingesting large numbers of larvae are based on detailed knowledge of the herbage contamination...

Author(s)
Nansen, P.; Joergensen, R. J.; Hansen, J. W.; Sejrsen, K.
Citation
Veterinary Science Communications, 1978, 2, 3, pp 193-205
Abstract

The performance of six groups of six calves each from a previous field experiment [VB 47, abst. 6208] was followed from the beginning of housing until turning out seven months later. When housed the groups harboured different burdens of Ostertagia ostertagi and had corresponding weight gain...

Author(s)
Joegensen, R. J.; Nansen, P.; Henriksen, S. V.; Sejrsen, K.; Larsen, J. B.; Klausen, S.
Citation
Veterinary Parasitology, 1978, 4, 1, pp 55-68
Abstract

Young cattle exposed to a heavy natural Ostertagia infection had low serum albumin and high IgG1, IgM, and IgA levels compared with lightly infected animals. IgG2 levels were lower than normal but similar in the two groups. It is concluded that parasitic infection accelerates the synthesis of...

Author(s)
Jensen, P. T.; Nansen, P.
Citation
Acta Veterinaria Scandinavica, 1978, 19, 4, pp 601-603
Abstract

Slurry application to pastures during winter caused raised herbage contamination with trichostrongylid larvae in spring and early summer. Ostertagia ostertagi was the predominant gastrointestinal worm, which is in accordance with the general distribution pattern of the nematode species in Denmark....

Author(s)
Nansen, P.; Midtgaard, N.; Joergensen, M.; Sejrsen, K.; Joergensen, R. J.
Publisher
Kongelige Veterinaer- og Landbohoejskole., Copenhagen, Denmark
Citation
Arsskrift (Yearbook)., 1979, pp 53-71
Abstract

This workshop brought together many of the leading figures in Europe engaged on research into the gastro-intestinal and pulmonary nematodes of cattle. 34 participants from 11 European countries are listed at the end of the book. Altogether 40 papers were presented in 6 sessions. The first session...

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., 1981, pp x + 606 pp.
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

Fifty-one calves were each inoculated with 100 000 Cooperia spp. larvae to determine resistance (the larvae were 70% C. oncophora and 30% C. surnabada). 12 resistant and 12 non-resistant animals were selected and treated twice with omnizole. In groups of 4 these calves were dosed on 3 days/week...

Author(s)
Kloosterman, A.; Van den Brink, R.
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 531-543

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