Direct and correlated responses to two-stage selection for ovulation rate and number of fully formed pigs at birth in swine.

@article{RuzFlores2001DirectAC,
  title={Direct and correlated responses to two-stage selection for ovulation rate and number of fully formed pigs at birth in swine.},
  author={A Ru{\'i}z-Flores and Rodger K. Johnson},
  journal={Journal of animal science},
  year={2001},
  volume={79 9},
  pages={2286-97}
}
Our objectives were to estimate responses and genetic parameters for ovulation rate, number of fully formed pigs at birth, and other production traits following two-stage selection for increased ovulation rate and number of fully formed pigs. Eight generations of selection were practiced in each of two lines. One selection line was derived from a line that previously selected eight generations for an index to increase ovulation rate and embryonic survival (the IOL pigs). The other selection… CONTINUE READING

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