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Grazed pasture parameters. I. Pasture dry-matter production and availability in 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. Net pasture dry matter production and available pasture dry matter were measured over 3 years in a small-scale replica of the study of the effects of dairy cow grazing management and stocking rate reported by McMeekan & Walshe (1963).

2. The four treatments were

(i) Controlled rotational grazing, light stocking rate (0.95 cows/acre).

(ii) Controlled rotational grazing, heavy stocking rate (1.19 cows/acre).

(iii) Uncontrolled, set stocked grazing, light stocking rate (0.95 cows/acre).

(iv) Uncontrolled, set stocked grazing, heavy stocking rate (1.19 cows/acre).

3. The pasture measurement technique employed measured net pasture production (gains through new growth minus losses from all sources). It is argued that this parameter, rather than absolute pasture production, governs the changes in the dry matter feed supply to the grazing animal.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 67 , Issue 2 , October 1966 , pp. 199 - 210
Copyright
Copyright © Cambridge University Press 1966

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References

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