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Prediction of 48 h in situ degradability from chemical analyses and in vitro fermentation of sugar cane bagasse treated with varying levels of electron irradiation and ammonia

Published online by Cambridge University Press:  27 February 2018

D. M. S. S. Vitti ,
A. L. Abdalla ,
J. C. S. Filho ,
N. L. del Mastro ,
R. Mauricio  and
E. Owen
D. M. S. S. Vitti
Affiliation:
Animal Science Section, Centro de Energia Nuclear na Agricultura, Caixa Postal 96-CEP 13400-970, Piracicaba, SP.-Brazil
A. L. Abdalla
Affiliation:
Animal Science Section, Centro de Energia Nuclear na Agricultura, Caixa Postal 96-CEP 13400-970, Piracicaba, SP.-Brazil
J. C. S. Filho
Affiliation:
Animal Science Section, Centro de Energia Nuclear na Agricultura, Caixa Postal 96-CEP 13400-970, Piracicaba, SP.-Brazil
N. L. del Mastro
Affiliation:
Instituto de Pesquisas Energéticas e Nucleares, SP.-Brazil
R. Mauricio
Affiliation:
Departament of Agriculture, University of Reading, Earley Gate, PO Box 236, Reading RG 6AT
E. Owen
Affiliation:
Departament of Agriculture, University of Reading, Earley Gate, PO Box 236, Reading RG 6AT
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Extract

Sugar cane bagasse is produced in large quantities in Brazil. The cultivated area of sugar cane in recent years has been around 4.2 X 106 ha/year, with a production of about 270 X 106 t/year of cane. As each tonne of cane produces around 300 kg of bagasse by-product, a large quantity of bagasse is generated.

Bagasse is of low dry matter (DM) digestibility (about 250 g/kg), because of lignification. Efforts have been made to improve the digestibility of bagasse using treatment with chemicals (sodium hydroxide, ammonia) or steam (Abdalla et al., 1990). Although steam and pressure treatments have improved in situ degradability, intake and digestibility in cattle were disappointing (Mello et al, 1989). Recently treatment of bagasse with irradiation and ammonia have been investigated.

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Information
BSAP Occasional Publication , Volume 22: In vitro techniques for measuring nutrient supply to ruminants , 1998 , pp. 336 - 337
Copyright
Copyright © British Society of Animal Science 1998

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References

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