Hostname: page-component-78c5997874-mlc7c Total loading time: 0 Render date: 2024-11-14T04:26:59.627Z Has data issue: false hasContentIssue false
  • English
  • Français

Observations on the onset of the breeding season and on the oestrous cycle of the Welsh Mountain ewe

Published online by Cambridge University Press:  27 March 2009

J. S. M. Hutchinson ,
P. J. O'Connor  and
H. A. Robertson
J. S. M. Hutchinson
Affiliation:
Department of Biological Chemistry, University of Aberdeen
P. J. O'Connor
Affiliation:
Department of Biological Chemistry, University of Aberdeen
H. A. Robertson
Affiliation:
Department of Biological Chemistry, University of Aberdeen
Get access Rights & Permissions [Opens in a new window]

Extract

1.Within a flock of 55 Welsh Mountain ewes maintained under lowland conditions the first ewecame into oestrus on the 14th October. The mean cycle length of 44 normal cycles was 16 days 3 hr.

2. The onset of oestrus as assessed by the time of mounting of the ram does not appear to beevenly distributed throughout the day (24 hr.).

Type
Research Article
Information
The Journal of Agricultural Science , Volume 63 , Issue 1 , August 1964 , pp. 59 - 60
Copyright
Copyright © Cambridge University Press 1964

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

Hafez, E. S. E. (1952). J. Agric. Sci. 42, 189.CrossRefGoogle Scholar
Kelley, R. B. (1937). Comm. Aust. G.S.I.B. Bull. no. 112.Google Scholar
McKenzie, F. F. & Terrill, C. E. (1937). Bull. Mo. Agric. Exp. Sta. no. 264.Google Scholar
Robertson, H. A. & Hutchinson, J. S. M. (1962). J. Endocrin. 24, 143.Google Scholar
Robinson, T. J. (1950). Biol. Rev. 26, 121.Google Scholar