Group selection for adaptation to multiple-hen cages: production traits during heat and cold exposures.

@article{Hester1996GroupSF,
  title={Group selection for adaptation to multiple-hen cages: production traits during heat and cold exposures.},
  author={Patricia Y. Hester and William M. Muir and Joseph V Craig and Jack L. Albright},
  journal={Poultry science},
  year={1996},
  volume={75 11},
  pages={1308-14}
}
A selected line of White Leghorns that has shown improved survivability and productivity and reduced feather loss in multiple-hen cages was evaluated for production traits under both stressed and unstressed conditions. It was hypothesized that hens selected for adaptation to multiple-bird cages would react less intensely to stressors and therefore lay more eggs and have lower mortality under stressed conditions. Three lines of chickens (selected, control, and commercial) were housed in either… CONTINUE READING

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