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VetMed Resource

Veterinary information to support practice, based on evidence and continuing education

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Abstract

Plasma pepsinogen estimation was carried out monthly from April to September 1974 on a group of healthy cows and calves which were grazing on pastures naturally infected by relatively small numbers of Ostertagia ostertagi. Their pepsinogen levels were compared with those found in serum samples from ...

Author(s)
Chiejina, S. N.
Citation
Veterinary Record, 1978, 103, 13, pp 278-281
Abstract

The mean pepsinogen concentration in serum of 27 yearling heifers was 44 plus or minus 12 (SD) ng/ml (2200 mU tyrosine/ml), and in blood of 50 lactating cows was 20 plus or minus 8 mg/ml (1400 mU of tyrosine/ml). There was no correlation between serum pepsinogen concentrations and counts of...

Author(s)
Harvey-White, J. D.; Smith, J. P.; Parbuoni, E.; Allen, E. H.
Citation
American Journal of Veterinary Research, 1983, 44, 1, pp 115-117
Abstract

Blood gastrin and pepsinogen responses to a single infection with 100 000 O. ostertagi infective larvae in lactating dairy cows were investigated. None of the 5 infected cows showed signs of clinical ostertagiasis, nor was there any difference in live weight gain, milk yield or faecal egg count...

Author(s)
Pitt, S. R.; Fox, M. T.; Gerrelli, D.; Jacobs, D. E.
Citation
Research in Veterinary Science, 1988, 45, 1, pp 130-131
Abstract

Abomasa, blood samples and faecal samples for examination of nematode infections were collected from 125 dairy cows between November 1997 and October 1998. Of these, 12 had no grazing history and were therefore excluded from the study. Of the remaining 113, 88.5% had nematode eggs in their faeces....

Author(s)
Borgsteede, F. H. M.; Tibben, J.; Cornelissen, J. B. W. J.; Agneessens, J.; Gaasenbeek, C. P. H.
Citation
Veterinary Parasitology, 2000, 89, 4, pp 287-296
Abstract

An experiment investigated whether the inclusion of chicory (Cichorium intybus) in swards grazed by beef steers altered their performance, carcass characteristics or parasitism when compared to steers grazing perennial ryegrass (Lolium perenne). Triplicate 2-ha plots were established with a...

Author(s)
Marley, C. L.; Fychan, R.; Davies, J. W.; Scollan, N. D.; Richardson, R. I.; Theobald, V. J.; Genever, E.; Forbes, A. B.; Sanderson, R.
Publisher
Public Library of Sciences (PLoS), San Francisco, USA
Citation
PLoS ONE, 2014, 9, 1, pp e86259

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