J. Anim Sci.
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Journal of Animal Science, Vol 68, Issue 7 2023-2026, Copyright © 1990 by American Society of Animal Science

JOURNAL ARTICLE

Survival of pig embryos flushed from the reproductive tract immediately or two hours after slaughter of donors

C. Wollenberg, I. Wentz, B. Blum and W. Holtz
University of Gottingen, Federal Republic of Germany.

Four- to eight-cell embryos were collected from genital tracts of slaughtered gilts. Prepuberal donors were synchronized and superovulated by PMSG and hCG, inseminated and eventually slaughtered approximately 78 h after the expected time of ovulation. Genital tracts were flushed either immediately after slaughter (group A) or after 2 h storage at either 37 degrees C (group B) or 20 degrees C). Best results were achieved in group A, followed by group B and, by a wide margin, group C. Differences in viability of embryos became more evident with longer culture times.




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Copyright © 1990 by the American Society of Animal Science.