Direct and correlated responses to selection for hatching time in the fowlFootnote¹

This investigation was conducted as a portion of the cooperative research of the NG 89 Regional Poultry Breeding Project. Journal Paper No. 5387 of the Purdue University Agricultural Experiment Station.

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• Present address: National Institutes of Health, 14A/102, Bethesda, Maryland 20014, USA.
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