Inheritance of color and horns in blue-gray cattle

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2017-03-06
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Lloyd-Jones, Orren
Evvard, John
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In 1902 there were undertaken at the Iowa Agricultural Experiment Station some investigations of the merits of "blue-gray" cross··bred cattle as feeding and market animals. The "blue-gray" color is caused by an intimate intermingling of black and white hairs on the body, a condition seen in cattle, horses and (rarely) in swine, and referred to by stock breeders as "blue·roan." The blue-gray color is not typical for any recognized breed of cattle and is most commonly produced by crossing a white Shorthorn bull on cows of the black Scotch breeds, namely the Aberdeen Angus or the Galloway-usually the latter.

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