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Grazed pasture parameters. III. Relationships of pasture and animal parameters in, and general discussion of a stocking rate and grazing management experiment with dairy cows

Published online by Cambridge University Press:  27 March 2009

A. G. Campbell
A. G. Campbell
Affiliation:
Ruakura Agricultural Research Centre, Hamilton, New Zealand
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Extract

1. Pasture parameters have been correlated with animal production parameters from a trial in which two management systems (‘controlled’ and ‘uncontrolled’ grazing), each at two stocking rates (0.95 and 1.19 cows/acre), were compared.

2. Per acre butterfat production was positively related to percentage utilization of available D.M., but negatively related to yield of available D.M.

3. Per cow butterfat production was significantly and positively correlated with yield of available D.M. in the two months after calving (August and September) and in the penultimate month of lacta-tion (April), but this correlation was not significant in other months.

4. It is concluded that management system was as important as stocking rate in increasing the utilization of pasture and animal production from pasture.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 67 , Issue 2 , October 1966 , pp. 217 - 221
Copyright
Copyright © Cambridge University Press 1966

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References

REFERENCES

Campbell, A. G. (1966a). J. agric. Sci., Camb. 67, 199.CrossRefGoogle Scholar
Campbell, A. G. (1966b). J. agric. Sci., Camb. 67, 211.Google Scholar
Mcmeekan, C. P. & Walshe, M. J. (1963). J. agric. Sci., Camb. 61, 147.Google Scholar
Wallace, L. R. (1955). Proc. Ruakura Fmrs’ Conf. Week, p. 206.Google Scholar