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The interaction of internal parasites and nutrition in the utilization of grassland by sheep

Published online by Cambridge University Press:  27 March 2009

C. R. W. Spedding ,
T. H. Brown  and
R. V. Large
C. R. W. Spedding
Affiliation:
The Grassland Research Institute, Hurley, Berkshire
T. H. Brown
Affiliation:
The Grassland Research Institute, Hurley, Berkshire
R. V. Large
Affiliation:
The Grassland Research Institute, Hurley, Berkshire
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Extract

1. The value of ‘worm-free’ sheep in the assessment of pasture is illustrated by an experiment in which the effect of internal parasites could only be distinguished by the use of ‘worm-free’ controls.

2. The effect of augmenting the initial pasture infestation (with nematodes parasitic in the sheep) was slight.

3. In an experiment with ewes and lambs at three lambing percentages and over a range of stocking rates:

Type
Research Article
Information
The Journal of Agricultural Science , Volume 63 , Issue 3 , November 1964 , pp. 421 - 426
Copyright
Copyright © Cambridge University Press 1964

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