The interaction of internal parasites and nutrition in the utilization of grassland by sheep
- 1 October 1964
- journal article
- research article
- Published by Cambridge University Press (CUP) in The Journal of Agricultural Science
- Vol. 63 (3) , 421-426
- https://doi.org/10.1017/s0021859600016154
Abstract
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:Keywords
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