Hostname: page-component-586b7cd67f-g8jcs Total loading time: 0 Render date: 2024-11-27T04:41:11.573Z Has data issue: false hasContentIssue false
  • English
  • Français

The effect of feeding level during a 12-day progesterone-priming period on the viability of embryos collected from superovulated ewes.

Published online by Cambridge University Press:  24 November 2017

T.G. McEvoy ,
J.J. Robinson ,
R.P. Aitken ,
C.E. Kyle  and
I.S. Robertson
T.G. McEvoy
Affiliation:
Rowett Research Institute, Bucksburn, Aberdeen AB2 9SB
J.J. Robinson
Affiliation:
Rowett Research Institute, Bucksburn, Aberdeen AB2 9SB
R.P. Aitken
Affiliation:
Rowett Research Institute, Bucksburn, Aberdeen AB2 9SB
C.E. Kyle
Affiliation:
Rowett Research Institute, Bucksburn, Aberdeen AB2 9SB
I.S. Robertson
Affiliation:
Rowett Research Institute, Bucksburn, Aberdeen AB2 9SB
Get access

Extract

Several studies have shown that the level of peri- and post-ovulatory progesterone in ewes can critically influence embryo survival (Ashworth, Sales & Wilmut, 1989; Parr, 1992). However, the effect of altering pre-ovulatory progesterone concentrations in superovulated sheep has not been fully investigated. In view of the inverse relationship between the plasma concentration of progesterone and food intake (McKelvey & Robinson, 1986; Parr, 1992), the present study was carried out to determine the effect of altering feed intake on progesterone concentrations during the pre-ovulatory priming phase and on the subsequent viability of ova collected from superovulated ewes.

Type
Ruminant Reproduction
Information
Proceedings of the British Society of Animal Production (1972) , Volume 1993: Winter meeting , March 1993 , pp. 57
Copyright
Copyright © The British Society of Animal Production 1993

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Ashworth, C.J., Sales, D.I. & Wilmut., I. (1989) J. Reprod. Fertil. 87: 23–32.Google Scholar
Lindner, G.M. & Wright, R.W. Jr.. (1983) Theriogenology 20: 407–416.Google Scholar
McKelvey, W.A.C. & Robinson, J.J.. (1986) Rowett Res. Inst. Ann. Rep. 41: 9–25.Google Scholar
McKelvey, W.A.C. et al. (1986) Theriogenology 25: 855–865.Google Scholar
Parr., R.A. (1992) Reprod. Fertil. Dev. 4: 297–300.CrossRefGoogle Scholar