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Genetic and Biological Aspects of Zebu Adaptability^{1 ,2,}

Louisiana State University, Baton Rouge 70803

Abstract

The utility and documentation of traits and characteristics of Zebu, Bos indicus, cattle in beef production in the United States are discussed with reference to adaptation. Zebu cattle are uniquely suited to hot climates due to coat, hide, skin and hematological attributes. Form, growth and physiological aspects are unique genetic attributes which are different from those of Bos taurus cattle. Compared with Bos taurus cattle, Zebu cattle are lower in reproduction, later maturing, slower growing and lower in beef quality. Zebu cattle are valuable in crossbreeding, with adaptive aspects transmitted and large amounts of heterosis in growth, maternal effects and reproductive traits.

¹ Presented at a symposium on "The Role of Zebu Cattle in Efficient Beef Production" at the Annu. Meet, of the Southern Sec. of the ASAS, Feb. 5, 1979, in New Orleans, LA.

² Published with approval of the Director of the Louisiana Agr. Exp. Sta.

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