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. 1978 Sep;54(1):189-91.
doi: 10.1530/jrf.0.0540189.

Time of ovulation in ewes after treatment with a prostaglandin F-2alpha analogue

S Acritopoulou, W Haresign, G E Lamming

Time of ovulation in ewes after treatment with a prostaglandin F-2alpha analogue

S Acritopoulou et al. J Reprod Fertil. 1978 Sep.

Abstract

Treatment of 18 cyclic Clun Forest ewes with two i.m. injections of ICI 80,996, given 9 days apart and without reference to stage of the oestrous cycle, synchronized ovulation in all ewes at a mean time interval of 73.1 +/- 1.6 (s.e.m.) h from the second injection. The interval from the LH peak to ovulation was 22.6 +/- 0.7 h and this is comparable to previously reported gigures for a natural oestrus.

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