Relationships between uterine and fetal traits in rabbits selected on uterine capacity

Journal of Animal Science
M J ArgenteA Blasco

Abstract

The aim of this study was to investigate whether uterine capacity (UC) in rabbits was related to uterine horn length and weight and whether these uterine traits and vascular supply were related to fetal development and survival. Data from 48 unilaterally ovariectomized (ULO) does of the High and 52 ULO does of the Low UC lines of a divergent selection experiment on UC were used. Does were slaughtered on d 25 of fifth gestation. The High line showed higher ovarian weight (0.08 g, P < 0.05) linked to a higher ovulation rate (1 ovum, P < 0.05) and greater length of the empty uterine horn. There were no differences between lines in the remaining doe traits. The number of implanted embryos and live fetuses, fetal survival, and uterine weight and length were positively associated and explained most of the observed variation. Average weights of the live fetuses and their fetal and maternal placentae were not related to uterine weight and length. The linear regression coefficient of full uterine horn length on the number of live fetuses was 2.43 +/- 0.21. The weight of the full uterine horn showed a small quadratic relationship (P < 0.05) with the number of live fetuses. Full uterine horn length, after adjusting for the number of embry...Continue Reading

References

May 1, 1974·Journal of Animal Science·S K Webel, P J Dziuk
Aug 1, 1969·Journal of Reproduction and Fertility·J S Perry, J G Rowell
Oct 1, 1969·The Journal of Physiology·S L Duncan
Nov 1, 1993·Journal of Animal Science·R K Christenson
Mar 1, 1993·Biology of Reproduction·J L Vallet, R K Christenson
Sep 26, 1997·Journal of Animal Science·M J ArgenteA Blasco
Feb 1, 1965·Journal of Reproduction and Fertility·A MCLAREN

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Citations

Aug 30, 2008·Developmental Psychobiology·Edith MuciñoRobyn Hudson
Oct 6, 2012·Reproduction in Domestic Animals = Zuchthygiene·J S VicenteF Marco-Jiménez
Feb 17, 2015·Reproduction in Domestic Animals = Zuchthygiene·C Naturil-AlfonsoJ S Vicente
Aug 26, 2014·Journal of Animal Science·Y D JangM D Lindemann
Jan 10, 2021·Animals : an Open Access Journal From MDPI·María-Luz GarcíaRosa Peiró
Aug 23, 2011·Theriogenology·J S VicenteF Marco-Jiménez

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