Am. Soc. Anim. Prod.
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Am. Soc. Anim. Prod. 1935:221-224
© 1935 American Society of Animal Science
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The Afterbirth as an Index to the Thrift of the Lamb1

Fred F. McKenzie and Ralph Bogart

University of Missouri, the United States Department of Agriculture Cooperating

Abstract

This is a report of observations made on the afterbirths out of which came 113 lambs. The data were obtained from the University of Missouri flocks of registered Hampshire, Shropshire, and Southdown sheep during 1931, 1932, and 1934. Ewes about to lamb were segregated and watched closely. Notes were taken on their behavior as lambing progressed. In multiple births the afterbirths were marked so that the portion occupied by each lamb could be identified. About two and a half hours elapsed between the birth of the last lamb and the dropping of the afterbirth (range 34 to 300 minutes). Afterbirths were taken to the laboratory and there tracings were made of them and descriptions recorded (See figure 1).

Footnotes

1 Contribution from the Department of Animal Husbandry, Missouri Agr. Exp. Station, Jour. Series No. 391.






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Copyright © 1935 by the American Society of Animal Science.