Lack of effect of sex on pig embryonic development in vivo

M. A. Kaminski, S. P. Ford, C. R. Youngs, Alan J Conley

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

The effect of sex on pig conceptus development to day 12 of gestation was investigated. On day 2 of gestation, reciprocal embryo transfers were performed resulting in four groups (Yorkshire-Yorkshire, Yorkshire-Meishan, Meishan-Yorkshire and Meishan-Meishan). Conceptuses at day 12 were recovered from each recipient and diameter, as well as DNA, protein and oestradiol content were determined for individual conceptuses. The sex of individual conceptuses at day 12 was determined by amplification of a fragment of the pig SRY gene, using the polymerase chain reaction. Embryos developed more rapidly to day 12 in Yorkshire recipients, but there was no detectable effect of sex on the diameter, DNA, protein or oestradiol content of conceptuses from any transfer group. Thus, no sex effect was apparent under conditions either promoting or retarding the rate of early pig blastocyst growth. These results provide strong evidence that pig embryonic development occurs at a rate determined by uterine environment and not by sex of the conceptus.

Original languageEnglish (US)
Pages (from-to)107-110
Number of pages4
JournalJournal of Reproduction and Fertility
Volume106
Issue number1
StatePublished - 1996

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Embryonic Development
Swine
Estradiol
Pregnancy
Embryo Transfer
DNA
Blastocyst
Proteins
Embryonic Structures
Polymerase Chain Reaction
Growth
Genes

ASJC Scopus subject areas

  • Obstetrics and Gynecology
  • Embryology
  • Developmental Biology
  • Molecular Biology
  • Physiology
  • Cell Biology
  • Endocrinology

Cite this

Lack of effect of sex on pig embryonic development in vivo. / Kaminski, M. A.; Ford, S. P.; Youngs, C. R.; Conley, Alan J.

In: Journal of Reproduction and Fertility, Vol. 106, No. 1, 1996, p. 107-110.

Research output: Contribution to journalArticle

Kaminski, MA, Ford, SP, Youngs, CR & Conley, AJ 1996, 'Lack of effect of sex on pig embryonic development in vivo', Journal of Reproduction and Fertility, vol. 106, no. 1, pp. 107-110.
Kaminski, M. A. ; Ford, S. P. ; Youngs, C. R. ; Conley, Alan J. / Lack of effect of sex on pig embryonic development in vivo. In: Journal of Reproduction and Fertility. 1996 ; Vol. 106, No. 1. pp. 107-110.
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