Title:	Productive performance of pre-weaned calves reared in the Pantanal.
Authors:	OLIVEIRA, L. O. F. de ABREU, U. G. P. de GOMES, R. da C. NOGUEIRA, E. SILVA, J. C. B. COSTA, T. G.
Affiliation:	LUIZ ORCIRIO FIALHO DE OLIVEIRA, CNPGC; URBANO GOMES PINTO DE ABREU, CPAP; RODRIGO DA COSTA GOMES, CNPGC; ERIKLIS NOGUEIRA, CPAP; JULIANA CORREA BORGES SILVA, CPAP; Tereza Gabriela Costa, Universidade Federal do Mato Grosso do Sul - UFMS.
Date Issued:	2019
Citation:	Ciência Animal Brasileira, Goiânia, v. 20, 1-12, jan. 2019
Description:	Early weaning (EW) has been adopted in cattle breeding farms in Pantanal as a strategy to increase the rate of pregnancy in cows. The primary income of these properties is the production of beef calves, and the price of these animals depends on their weight. Therefore, the calves subjected to EW should present weight similar to or higher than those of calves subjected to conventional weaning (CW). This study aimed to evaluate the productive performance of pure (Nellore) calves and crossbred (Nellore/Angus) calves reared in the Pantanal and subjected to either EW or CW. After EW, the calves were supplemented with concentrate at 1 kg/animal/day (low-energy diet) or 1% of live weight (high-energy diet). The weights adjusted to 300 days of age were higher for EW calves fed the highenergy diet (p<0.01) in both genetic groups. No significant differences were observed in the weight of EW animals fed the low-energy diet and CW animals (p>0.01), and animal weight was 241.17 and 236.27 kg in crossbred calves and 184.44 and 189.78 in Nellore calves, respectively. The EW adopted in this experimental model did not affect the productive performance of calves raised in the Pantanal.
Thesagro:	Nutrição Bezerro de Corte
NAL Thesaurus:	Nutrition
Keywords:	Beef calves Supplementation Suplementação
Notes:	Título em português: Desempenho de bezerros submetidos a desmama precoce no Pantanal.
Type of Material:	Artigo de periódico
Access:	openAccess
Appears in Collections:	Artigo em periódico indexado (CNPGC)