Performance of lactating crossbred cows on pasture supplemented with conventional urea or slow release urea

The effect of using conventional urea (CU) or slow release urea (SRU) was evaluated by replacing soybean meal (SBM) in concentrated supplements in levels of 2, 4 or 6% (dry matter basis) on productive performance of crossbred Holstein x Zebu lactating dairy cows (499±61kg body weight and 167 days of...

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Hlavní autoři:	D.C. Abreu, R.P. Lana, A.S. Oliveira, F.A. Barbosa, F.L. Andrade, P.T. Silva, M.A. Fonseca, C.P. Ghedini, R.M. Paula, F.A. Magalhães
Médium:	Artigo
Jazyk:	Inglês
Vydáno:	Universidade Federal de Minas Gerais, Escola de Veterinária 2014-10-01
Edice:	Arquivo Brasileiro de Medicina Veterinária e Zootecnia
Témata:	leite nitrogênio não proteico
On-line přístup:	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352014000501487&lng=en&tlng=en
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