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Natural and improved natural pastures on the reproductive performance of first-calf beef cows R. Bras. Zootec.
Tanure,Soraya; Pötter,Bernardo Augusto Albornoz; Lobato,José Fernando Piva.
This work evaluated the reproductive performance of first-calf cows at three years of age, submitted or not to protein supplementation at yearling on natural pastures. After calving, cows were managed on natural or improved pastures. The feeding managements were the following: on natural pastures as yearlings and during pregnancy, post-calving period and breeding season; on natural pastures with protein supplement as yearlings and only natural pasture during pregnancy, post-calving and breeding season; on natural pastures as yearlings and during pregnancy and on improved natural pastures (Lolium multiflorum L., Trifolium repens cv. Yi and Lotus corniculatus cv. São Gabriel) during the post-calving period and breeding season; on natural pastures with...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Body condition score; Body weight variation; Braford; Post-calving; Pregnancy rate.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011000300030
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