Production of sheep-goat chimeras by inner cell mass transplantation.

V. J. Polzin, D. L. Anderson, G. B. Anderson, R. H. BonDurant, J. E. Butler, R. L. Pashen, M. C. Penedo, J. D. Rowe

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Abstract

Embryos were surgically flushed from goats and sheep on d 6 and 7, respectively, following the first day of estrus (d 0). After enzymatic removal of the zonae pellucidae, inner cell masses were isolated from caprine blastocysts by immunosurgery. The intact inner cell masses were injected into ovine blastocysts with the aid of a micromanipulator. Twenty-two manipulated blastocysts were surgically transferred into 12 ovine recipients. Nine ewes gave birth to a total of 13 young (59% embryo survival). Ten were classified by serum electrophoretic assays or karyotypes as lambs, one as a kid, and two as interspecific chimeras.

Original languageEnglish (US)
Pages (from-to)325-330
Number of pages6
JournalJournal of Animal Science
Volume65
Issue number1
StatePublished - Jul 1987

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ASJC Scopus subject areas

  • Animal Science and Zoology

Cite this

Polzin, V. J., Anderson, D. L., Anderson, G. B., BonDurant, R. H., Butler, J. E., Pashen, R. L., Penedo, M. C., & Rowe, J. D. (1987). Production of sheep-goat chimeras by inner cell mass transplantation. Journal of Animal Science, 65(1), 325-330.