Abstract
An analysis of sex ratios determined in the hatching of 23 966 chicks of known pedigree indicated the absence of heritable variation.
Notes
Members of the Department of Agriculture for Northern Ireland and of Queen's University, Belfast.
An analysis of sex ratios determined in the hatching of 23 966 chicks of known pedigree indicated the absence of heritable variation.
Members of the Department of Agriculture for Northern Ireland and of Queen's University, Belfast.
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