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X-ray diagnosis of pregnancy in sheep with special reference to the determination of the number of foetuses

Published online by Cambridge University Press:  27 March 2009

G. M. Ardran  and
T. H. Brown
G. M. Ardran
Affiliation:
Nuffield Institute for Medical Research, University of Oxford
T. H. Brown
Affiliation:
Grassland Research Institute, Hurley, near Maidenhead
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Extract

1. Sixty-four Dorset Horn ewes and sixty Half- Bred ewes were X-rayed in the pelvic region at stages of pregnancy between 51 and 110 days.

2. Diagnosis of pregnancy and estimates of the number of foetuses carried were made from the X-ray film.

3. Over the range of gestation stages examined, interpretation of the number of foetuses present was found to be most accurate at stages between 91 and 110 days.

4. An accurate estimation of whether the ewe is pregnant or barren can be made from 50 days onwards.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 63 , Issue 2 , October 1964 , pp. 205 - 207
Copyright
Copyright © Cambridge University Press 1964

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