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Journal of Dairy Science Vol. 41 No. 8 1057-1060
© 1958 by American Dairy Science Association ®
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Chemical Composition of Cattle Hair. II. The Acid-Insoluble Melanin Content Associated with Different Genotypes1

R. G. Washburn, L. O. Gilmore and N. S. Fechheimer

Department of Dairy Science, Ohio Agricultural Experiment Station, Wooster

ABSTRACT

The acid-insoluble melanin of 141 samples of hair from different-aged cattle, taken at different seasons, gave significantly different mean values when the hair was grouped according to visual color and/or genotype, i.e., white, tan, red, heterozygous black, and other black. Three groups of heterozygous black cows of different breed composition gave statistically indistinguishable mean values. The method used distinguished one-gene differences, whether or not the hair from different samples was of the same apparent color.

FOOTNOTES

1 Journal Article No. 26-58, The Ohio Agricultural Experiment Station.






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Copyright © 1958 by the American Dairy Science Association ®.