J. Anim Sci.
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J. Anim Sci. 1971. 32:922-925.
© 1971 American Society of Animal Science
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Pregnancy Diagnosis in the Ewe by Intrarectal Doppler1

Ivan L. Lindahl2

U. S. Department of Agriculture, Beltsville, Maryland 20705

Abstract

A technique for detection of pregnancy in ewes with intrarectal Doppler ultrasound is described. Results with 2,111 ewes indicate that pregnancy can be detected at the beginning of the second trimester with an accuracy of 90% or better. It has not been possible to distinguish between multiple and single fetuses.

Footnotes

1 The author expresses his appreciation to Dr. G. M. SidweII and Dr. H. A. Glimp for the lambing data and to Dr. C. E. Terrill for technical advice.

2 Animal Science Research Division, Agricultural Research Service.






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Copyright © 1971 by the American Society of Animal Science.