Hostname: page-component-78c5997874-dh8gc Total loading time: 0 Render date: 2024-11-08T12:22:56.398Z Has data issue: false hasContentIssue false
  • English
  • Français

Ovulation in the ewe

Published online by Cambridge University Press:  27 March 2009

James Anderson
James Anderson
Affiliation:
Experimental Station, Division of Veterinary Research, Naivasha, Kenya
Get access Rights & Permissions [Opens in a new window]

Extract

Thirty-one laporotomies, in addition to a number of confirmatory operations, were performed to determine the time of ovulation in the ewe. It was found that (1) ovulation did not occur during oestrus, (2) in ewes with oestrous periods lasting 30 hr. or more ovulation occurred a short time after the end of oestrus and that the time of its occurrence is related to the end and not to the beginning of oestrus, and (3) there is a minimum period of approximately 23–25 hr. before which ovulation does not occur, irrespective of the duration of oestrus.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 28 , Issue 1 , January 1938 , pp. 64 - 72
Copyright
Copyright © Cambridge University Press 1938

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

REFERENCE

Allen, E., McKenzie, F. F., Kennedy, J. W. & Beare, W. K. (1931). Anat. Rec. 48, Suppl. p. 9.CrossRefGoogle Scholar
Bischoff, TH.L. W. (1844). Cited by Cole & Miller. (1935). Amer. J. Anat. 57, 39.Google Scholar
Casida, L. E. & McKenzie, F. F. (1932). Res. Bull. Mo. agric. Exp. Sta. 170.Google Scholar
Clark, R. T. (1934). Anat. Rec.. 60, 135.CrossRefGoogle Scholar
Cole, . H. & Miller, R. F. (1932). Anat. Rec. 52, Suppl. p. 49.Google Scholar
Cole, . H. & Miller, R. F. (1935). Amer. J. Anat. 57, 39.CrossRefGoogle Scholar
Evans, E. I. & Miller, F. W. (1935). Anat. Rec. 62, 25.CrossRefGoogle Scholar
Grant, R. (1934). Trans, roy. Soc. Edinb. 58, 1.CrossRefGoogle Scholar
Green, W. W. & Winters, L. M. (1935). Anat. Rec. 61, 457.CrossRefGoogle Scholar
Hammond, J. (1927). Reproduction in the Cow. Cambridge.Google Scholar
Hartman, C. G. (1932). Sex and Internal Secretions, p. 658. Edited by Edgar Allen, London.Google Scholar
Hill, R. T., Allen, E. & Kramer, T. C. (1935). Anat. Rec. 63, 239.CrossRefGoogle Scholar
Ivanow, E. I.Communication from the Zootechnical Station, Astrania-Nova (Translation) (1913). Cited by Grant (1934). Trans, roy. Soc. Edinb. 58, 1.Google Scholar
McKenzie, F. F., Allen, E., Guthrie, M. J., Warbritton, V., Terrill, C. E., Casida, L. E., Nahm, L. J. & Kennedy, J. W. (1933). Proc. Amer. Soc. Anim. Prod. p. 278.Google Scholar
McKenzie, F. F. & Terrell, C. E. (1937). Res. Bull. Mo. agric. Exp. Sta. No. 264.Google Scholar
Marshall, F. H. A. (1903). Philos. Trans. B, 196, 47.Google Scholar
Stieve, H. (1934). Z. mikr-anat. Forsch. 36, 481.Google Scholar
Quinlan, J. & Maré, G. S. (1931). 17th Rep. Dir. Vet. Ser. and Anim. Ind. 663. Pretoria.Google Scholar
Walton, A. & Hammond, J. (1928). Brit. J. exp. Biol. 6, 190.CrossRefGoogle Scholar