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Male-Induced Pregnancy Termination in the Prairie Vole, Microtus ochrogaster
Robert A. Stehn and Milo E. Richmond
New Series, Vol. 187, No. 4182 (Mar. 28, 1975), pp. 1211-1213
Published by: American Association for the Advancement of Science
Stable URL: http://www.jstor.org/stable/1739501
Page Count: 3
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Postimplantation as well as preimplantation pregnancy in prairie voles can be terminated by replacing the original stud male with an unfamiliar male. The pregnancy is disrupted by the ensuing male-induced estrus. Females spontaneously abort their litters, become receptive, and successfully breed again 4 or 5 days after introduction of the new male.
Science © 1975 American Association for the Advancement of Science