| Bibliografia:
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VAN SOEST, P.J.; ROBERTSON, J.B. Analysis of forages and fibrous foods. Ithaca: Cornell University, 1985. 202p.
WILLIAMS, B. A. Cumulative gas-production techniques for forage evaluation. In: GIVENS, D. I., OWEN, E., AXFORD, R.F.E. and OMED H.M. Forage Evaluation in Ruminant Nutrition. New York: CABI Publishing, 2000. p.189-213
Periódicos:
Animal Feed Science and Technology
Revista Brasileira de Zootecnia
Journal of Animal Science
Small Ruminant Research
Journal Dairy Science
Journal of Animal Nutrition
Canadian Journal of Animal Science.
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