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Length of oestrus, duration of phenomena related to oestrus, and ovulation time in the local fat-tailed Awassi ewe
Year:
1972
Authors :
Amir, David
;
.
Schindler, Haim
;
.
Volume :
78
Co-Authors:
Schindler, H., Volcani Institute of Agricultural Research, Bet Dagan, Iceland
Amir, D., Volcani Institute of Agricultural Research, Bet Dagan, Iceland
Facilitators :
From page:
151
To page:
156
(
Total pages:
6
)
Abstract:
Oestrous cycle and phenomena accompanying oestrus were studied in the local fat-tailed Awassi ewe. By heat detections at 4 h intervals, the average period of oestrous was found to be 35.5 h and the mean duration of the oestrous cycle, 17.5 days. The repeatability of length of oestrus and of cycle length was 0.60 and 0.41, respectively. The appearance of a transparent or cloudy fluid secretion indicated that the ewe was still at least in the first half of the oestrous period, while that of a viscous creamy secretion indicated the approaching end of oestrus as well as the approaching ovulation; the latter events generally coincided. The onset of oestrus was not centred around any particular time of day. © 1972, Cambridge University Press. All rights reserved.
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DOI :
10.1017/S0021859600087827
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
21765
Last updated date:
02/03/2022 17:27
Creation date:
16/04/2018 23:46
Scientific Publication
Length of oestrus, duration of phenomena related to oestrus, and ovulation time in the local fat-tailed Awassi ewe
78
Schindler, H., Volcani Institute of Agricultural Research, Bet Dagan, Iceland
Amir, D., Volcani Institute of Agricultural Research, Bet Dagan, Iceland
Length of oestrus, duration of phenomena related to oestrus, and ovulation time in the local fat-tailed Awassi ewe
Oestrous cycle and phenomena accompanying oestrus were studied in the local fat-tailed Awassi ewe. By heat detections at 4 h intervals, the average period of oestrous was found to be 35.5 h and the mean duration of the oestrous cycle, 17.5 days. The repeatability of length of oestrus and of cycle length was 0.60 and 0.41, respectively. The appearance of a transparent or cloudy fluid secretion indicated that the ewe was still at least in the first half of the oestrous period, while that of a viscous creamy secretion indicated the approaching end of oestrus as well as the approaching ovulation; the latter events generally coincided. The onset of oestrus was not centred around any particular time of day. © 1972, Cambridge University Press. All rights reserved.
Scientific Publication
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