A Study of Selections for the Variation and Inheritance of the Size, Shape and Color of Hens' Eggs: A Thesis Presented to the Faculty of the Graduate ... of Doctor of Philosophy (Classic Reprint) - Tapa dura

Sinopsis

Excerpt from A Study of Selections for the Variation and Inheritance of the Size, Shape and Color of Hens' Eggs: A Thesis Presented to the Faculty of the Graduate School of Cornell University for the Degree of Doctor of Philosophy

The study of the external characters of eggs seems to date from a com paratively recent period, and even at the present time the published data with respect to these characters are very meager.

Tradition tells us (in Horace, Lib. II, st. 4) that the eggs of pullets are longer than those of hens, and that pullets' eggs produce a larger proportion of male chicks than do hens' eggs. This tradition has been developed until many persons believe that long eggs produce cockerels and round eggs produce pullets when incubated.

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