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Degradability of integral sugar cane treated with different sodium hidroxide levels/
Degradabilidade ruminal da cana-de-açúcar integral tratada com diferentes níveis de hidróxido de sódio

Author(s): Andréa Pereira Pinto | Ivone Yurika Mizubuti | Édson Luis de Azambuja Ribeiro | Marco Antonio da Rocha | Mauro Freitas Silva Filho | Juliana Tiemi Kuraoka

Journal: Semina : Ciências Agrárias
ISSN 1676-546X

Volume: 28;
Issue: 3;
Start page: 503;
Date: 2007;
Original page

Keywords: Alimentação | Bovinos | Nutrição | Ruminante | Tratamento químico.

The experiment was carried out being used four bovine cannulated at rumen. Corn silage and chopped sugar cane, treated with 2% NaOH were furnished to the animals during the experiment. Four treatmentsconsisting of sugar cane treated with 0, 2, 4 and 6% NaOH were evaluated by ruminal incubation using nylon bags. Dry matter (DM), organic matter (OM), neutral detergent fiber (NDF), acid detergent fiber (ADF), cellulose (CELL) and hemicellulose (HEM) disappearance were evaluated in 0, 6, 12, 24, 48, 72, 96 and 144 hours of ruminal incubation. Potencial degradability (PD) and effective degradability (ED) were determinated using the model suggested by Orskov & Mc Donald (1979), accepting a passage rate of 5%/hour. It was observed highest (P

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