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 language | English (US) |
|---|---|
| Pages (from-to) | 107-110 |
| Number of pages | 4 |
| Journal | Journal of Reproduction and Fertility |
| Volume | 106 |
| Issue number | 1 |
| State | Published - 1996 |
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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 journal › Article
}
TY - JOUR
T1 - Lack of effect of sex on pig embryonic development in vivo
AU - Kaminski, M. A.
AU - Ford, S. P.
AU - Youngs, C. R.
AU - Conley, Alan J
PY - 1996
Y1 - 1996
N2 - 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.
AB - 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.
UR - http://www.scopus.com/inward/record.url?scp=0030023627&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0030023627&partnerID=8YFLogxK
M3 - Article
C2 - 8667334
AN - SCOPUS:0030023627
VL - 106
SP - 107
EP - 110
JO - Journal of Reproduction and Fertility
JF - Journal of Reproduction and Fertility
SN - 0022-4251
IS - 1
ER -