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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

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

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
Abstract

Between July 1977 and July 1978 in Upper Bavaria, GFR, 198 slaughtered milking cows were examined for gastro-intestinal helminths and faecal egg counts were also made. None of the cows was worm-free but eggs were found in the faeces of only 13%. The geometric worm burden of grazing cows was 15678...

Author(s)
Barth, D.; Bernhard, D.; Lamina, 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 117-129
Abstract

Immunity to O. ostertagi infections in calves develops slowly and only becomes manifest towards the end of a grazing season in which they have been exposed to the parasite. In an attempt to hasten the onset of immune reactions, 3 immunization protocols were set up. 24 heifers were allocated into 4...

Author(s)
Christensen, C. M.; Nansen, P.; Henriksen, S. A.; Monrad, J.; Satrija, F.
Citation
Veterinary Parasitology, 1992, 44, 3/4, pp 247-261
Abstract

An attempt was made to control Ostertagia ostertagi by feeding the nematode trapping fungus Duddingtonia flagrans (DSM 6703) to grazing calves. One group of calves (group E) was fed the fungal material in the first 2 months of the grazing season while another group was a non-treated control group...

Author(s)
Wolstrup, J.; Grønvold, J.; Henriksen, S. A.; Nansen, P.; Larsen, M.; Bøgh, H. O.; Ilsøe, B.
Citation
Journal of Helminthology, 1994, 68, 2, pp 175-180
Abstract

This study was conducted to evaluate the effects of strategic early season treatment with moxidectin on Trichostrongylidae in first-season grazing heifer calves on a permanent pasture. Three groups of 8 Black-Pied Friesian heifer calves were turned out in early May 1992 on a permanent pasture...

Author(s)
Yang, X.; Satrija, F.; Nansen, P.
Citation
Applied Parasitology, 1996, 37, 1, pp 8-16
Abstract

84 first-year grazing Holstein × Friesian steers were observed for 2 years on 40 ha of reclaimed unfertilized grassland. Three groups of steers were grazed each year at low, medium and high stocking rate (SR) in separate paddocks (0.53, 1.05 and 1.55 steers/ha). The faecal egg counts, predominantly ...

Author(s)
Thamsborg, S. M.; Jørgensen, R. J.; Nansen, P.
Citation
Acta Veterinaria Scandinavica, 1998, 39, 3, pp 311-323

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