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Pasture type in relation to live-weight gain, carcass composition, iodine nutrition and some rumen characteristics of sheep I. Live-weight growth of the sheep

Published online by Cambridge University Press:  27 March 2009

A. L. Rae ,
R. W. Brougham ,
A. C. Glenday  and
G. W. Butler
A. L. Rae
Affiliation:
Sheep Husbandry Department, Massey College, Palmerston North, New Zealand
R. W. Brougham
Affiliation:
Grasslands Division, Department of Scientific and Industrial Research, Palmerston North, New Zealand
A. C. Glenday
Affiliation:
Applied Mathematics Laboratory, Department of Scientific and Industrial Research, Palmerston North, New Zealand
G. W. Butler
Affiliation:
Plant Chemistry Division, Department of Scientific and Industrial Research, Palmerston North, New Zealand
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Extract

1. Two trials are described in which the live weights of sheep grazing four different pastures were compared. The four pastures comprised perennial rye-grass (P), perennial rye-grass plus white clover (P + C), short-rotation rye-grass (S), short-rotation rye-grass plus white clover (S + C).

2. Large and highly significant differences existed between the mean live weight of the sheep on the various pastures in each trial. Thus the P sheep had a mean live weight of 107 and 102 lb. in trials I and II, respectively, at the end of each investigation, the P + C sheep 123 and 122 lb., the S sheep 125 and 126 lb., and the S + C sheep 140 and 137 lb.

3. The differences in live-weight growth on the four pastures contain two major effects; an effect due to the difference between P and S and an effect which can be attributed to the presence of white clover in the pasture treatment.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 61 , Issue 2 , October 1963 , pp. 187 - 190
Copyright
Copyright © Cambridge University Press 1963

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References

REFERENCES

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Flux, D. S., Butler, G. W., Rae, A. L. & Brougham, R. W. (1960). J. Agric. Sci. 55, 2.CrossRefGoogle Scholar