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Milk production from subtropical non-dairy sheep. 2. Method of measuring

Published online by Cambridge University Press:  27 March 2009

A. M. Aboul-Naga ,
A. S. El-Shobokshy  and
M. A. Moustafa
A. M. Aboul-Naga
Affiliation:
Animal Production Research Institute, Ministry of Agriculture, Dokki, Cairo, Egypt
A. S. El-Shobokshy
Affiliation:
Animal Production Research Institute, Ministry of Agriculture, Dokki, Cairo, Egypt
M. A. Moustafa
Affiliation:
Animal Production Research Institute, Ministry of Agriculture, Dokki, Cairo, Egypt
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Summary

Milk yield of 240 single-suckled ewes from Rahmani, Ossimi and Barki subtropical non-dairy Egyptian sheep, in addition to 64 twin-suckled Rahmani ewes, was estimated over two lambing seasons using three methods of measuring, i.e. lamb-suckling (plus residual milk), oxytocin technique and hand milking.

For single-suckled ewes, the oxytocin technique resulted in higher (P < 0·05) estimates of milk yield during the first 4 weeks of lactation than lamb-suckling. However, over 12 weeks of lactation the two methods showed closely similar estimates. Hand milking produced 31·6% less milk than the other two methods.

For twin-suckled ewes, the lamb-suckling method produced significantly (P < 0·05) higher estimates than the oxytocin technique. Estimates obtained by hand milking were 65·2 and 50·8% less than that of the other two methods, respectively.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 97 , Issue 2 , October 1981 , pp. 303 - 308
Copyright
Copyright © Cambridge University Press 1981

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References

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