1. Australian Agricultural Council, 1990. Feeding Standards for Australian Livestock, Ruminants sub-committee CSIRO, Australia.
2. The effects of supplementation with Gliricidia sepium or Leucaena leucocephala forage on intake, digestion and live-weight gains of Bos taurus×Bos indicus steers offered napier grass;Abdulrazak;Anim. Sci.,1996
3. Evaluation of the nutritive value of napier grass;Abou-Ashour;World Rev. Anim. Prod.,1984
4. Achata, A., Fano, H., Goyas, H., Chiang, O., Andrade, M., 1988. Sweet potato in Canete Valley of Peru. Analysis of Present Situation and Research Requirements for Producers and Consumers. International Potato Centre (CIP), Lima, Peru.
5. Technical committee on responses to nutrients, Report No. 9. Nutritive requirements of ruminant animals: protein;Nutr. Abstr. Rev., Ser. B,1992