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Age at puberty and reproductive characteristics of F1 Holstein x Gyr crossbred heifers with divergent phenotypes for residual feed intake

A. P. Fonseca,B. R. C. Alves,M. M. Campos, R. M. Costa,F. S. Machado,L. G. R. Pereira,T. R. Tomich,F. Z. Brandao,A. M. Borges

ARQUIVO BRASILEIRO DE MEDICINA VETERINARIA E ZOOTECNIA（2020）

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关键词
feed efficiency,milking cattle,puberty,reproduction,fertility
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