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Oestrus and some related phenomena in the buffalo

Published online by Cambridge University Press:  27 March 2009

E. S. E. Hafez
E. S. E. Hafez
Affiliation:
Faculty of Agriculture, Cairo, Egypt
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Extract

1. Thirty-one buffalo-cows of different ages were tested for the symptoms and duration of oestrus, and the incidence of post-partum oestrus and conception. Clinical examinations of the vagina were also carried out.

2. The symptoms of heat were less intense than in cattle and there was no homosexual activity.

3. Pro-oestrus occurred in 43% of the cases with an average duration of 21.20 hr. whilst metoestrus occurred in 67% of the cases with an average duration of 19.20 hr. The average duration of oestrus was 28.47 hr.

4. The onset and cessation of oestrus were either abrupt or gradual. The phenomenon ‘split oestrus’ was observed intervening normal cycles. This was not characteristic of the individuals.

5. The average interval to post-partum oestrus was 43.80 days. The average number of silent heats per individual was 0.86. Conception took place after an average of 1.71 services whilst the breeding efficiency was 93% in the calving buffaloes.

6. Normal clinical changes in the vagina (temperature; nature and amount of secretion; picture of smear) were not reliable indicators of oestrus.

7. Further problems concerning reproduction in the buffalo are suggested.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 44 , Issue 2 , April 1954 , pp. 165 - 172
Copyright
Copyright © Cambridge University Press 1954

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