Estádio de desenvolvimento do milho. 2. Efeito sobre o consume e a digestibilidade da silagem em ovinos
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Data
1997-07-01
Autores
Lavezzo, Otávia Elisa Nogueira Mendes [UNESP]
Lavezzo, Wagner [UNESP]
De Siqueira, Edson Ramos [UNESP]
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Resumo
Corn plants were ensiled at the milk, milk-early dough, medium dough, and semi-hard dough stages. The intake and digestibility trials showed that: a) silage DM and NFE contents increased and ADF, cellulose, and lignin contents decreased with plant maturity; b) corn plant maturity had little effect on the digestibility of the silages, but the milk and medium dough stages produced the best results; c) no consistent effect of maturity was observed in DM and CP daily intakes (mean values 41.86 and 26.77/ g/kg75, respectively). Nevertheless, daily digestible dry matter and digestible protein intakes (g/kg.75) were higher with medium-dough grains (31.74 and 1.97g, respectively) than with the milk (23.27 and 1.45g, respectively) and the milk-early dough stages (22.60 and 1.28g, respectively). However, similar intakes were observed with the medium-dough and semi-hard dough stages. Total digestible nutrient contents of the silages were affected little by corn plant maturity. Nevertheless, statistical differences were found between the medium dough (70.09%) and the milk-early dough stages (63.07%).
Descrição
Palavras-chave
Corn, Digestibility, Intake, Maturity, Silage
Como citar
Revista Brasileira de Zootecnia, v. 26, n. 4, p. 683-690, 1997.