Anatomy and Embryology

, Volume 151, Issue 1, pp 91–95

Correlation of birth weight and crown-rump to the number of implantations and litter size in rabbits

  • Hans-Willi Breuer
  • Uwe Claussen
Article
  • 49 Downloads

Summary

The empirical coefficient of correlation and the empirical coefficient of regression were evaluated in New Zealand White rabbits between birth weight and crown-rump on the one hand and number of implantations and litter size on the other. The average birth weight decreases with increasing litter size (P=0.01). The decreased supply of blood to the single fetus in big litters might be responsible for this result. As no definite correlation between crown-rump and litter size could be proved, the conclusion may be drawn that the crown-rump is more determined by genetic factors than is the birth weight.

Key words

Rabbit Birth weight Litter size Implantation Growth 

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Copyright information

© Springer-Verlag 1977

Authors and Affiliations

  • Hans-Willi Breuer
    • 1
  • Uwe Claussen
    • 1
  1. 1.Institut für Humangenetik und Anthropologie der Universität DüsseldorfDüsseldorfFederal Republic of Germany

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