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Red Sindhis were crossed with Holstein-Friesians (H) at two stations and with Brown Swiss (BS) at a third station for the purposes of studying growth aad productive adaptability of dairy cattle in the southern region of the United States. The growth and productive performances of 33 F1 and 213~ H animals have been compared with their purebred tt contemporaries or herd-mates. Productive performances of 30 F1 and 253/~ BS have been compared with their BS herd-mates.
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Branton et al. (1961) studied this question.
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