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close this bookBioconversion of Organic Residues for Rural Communities (UNU, 1979)
close this folderThe role of ruminants in the bioconversion of tropical byproducts and wastes into food and fuel
View the document(introduction...)
View the documentIntroduction
View the documentNutritional limitations in the use of tropical by-products and waste
View the documentPractical experience with tropical by-products and wastes as feed for ruminants
View the documentAn integrated system for converting tropical feeds and byproducts into milk, beef, and fuel
View the documentReferences
View the documentDiscussion summary


1. F.J. Salais, T.M. Sutherland, and A. Wilson, "Effect on Animal Performance of Different Sources of Forage in Diets based on Molasses and Urea," Trop. Animal Production 2: 158 (1977).

2. D. Ffoulkes and T.R. Preston, "The Banana Plant as Cattle Feed: Digestibility and Voluntary Intake of Mixtures of Sugar Cane and Banana Forage." Trop. Animal Production 3: 125 - 129 (1978).

3. P. Thivend and M. Journet, "Utilisation Digestive de l'Amidon du Maiz chez le Ruminant," Ann. Biol. Anim. Biophis. 10: 323-326 119701.

4. T.R. Preston, "A Strategy for Cattle Production in the Tropics," World Animal Rev.. 21: 11 - 17 (1977). (Paper in preparation,)

5. T.R. Preston and F.J. Alvarez, "Dual Purpose Milk and Beef Production: A System for Developing Countries in the Humid Tropics," in World Animal Science, Elsevier, Amsterdam, 1979.

6. T.J. Kempton, J.V. Nolan, and R.A. Leng, "Principles for the Use of Non-Protein Nitrogen and By-pass Proteins in Diets of Ruminants," World Animal Rev. 22: 2 - 10(1977).

7. T. R. Preston, C. Carcaho, F.J. Alvarez, and D.G. Guttierrez, "Rice Polishings as a Supplement in a Sugar Cane Diet: Effect of Level of Rice Polishings and of Processing the Sugar Cane by Derinding or Chopping," Trop. Animal Production 2: 158 -162 (1976).

8. R. Elliott, H.M. Ferreiro, and A. Priego, "An Estimate of the Quantity of Feed Protein Escaping Degradation in the Rumen of Steers Fed Chopped Sugar Cane, Molasses/Urea Supplemented with Varying Quantitites of Rice Polsihings," Trop. Animal Production 3: 36 39 (1978).

9. L,A. James, "Comfit in Rations for Livestock," Proceedings of CIDA Seminar on SugarCane as Livestock Peed, Barbados, 30 - 31 Januray 1973.

10. R. Elliott, H.M. Ferreiro, A. Priego, and T.R. Preston, "Rice Polishings as a Supplement in Sugar Cane Diets: The Quantity of Starch (a-Linked Glucose Polymers) Entering the Proximal Duodenum," Trop. Animal Production 3: 30 - 35 (1978).

11. H.M. Ferreiro, A. Priego, J. López, T.R. Preston, and R.A. Leng, "Glucose Metabolism in Cattle Given Sugar Cane-Based Diets Supplemented with Varying Quantities of Rice Polishings," (Paper in preparation.)

12. R.A. Leng, Unpublished data, 1978.

13. F.J. Alvarez and T.R. Preston, "Leucaena leucocephala as a Protein Supplement for Dual Purpose Milk and Weaned Calf Production on Sugar Cane-Based Rations," Trop. Animal Production: 112 - 119 (1976).

14. D. Ffoulkes, F.D. Deb. Hovell, and T.R. Preston, "Sweet Potato Forage as Cattle Feed: Voluntary Intake and Digestibility of Mixtures of Sweet Potato Forage and Sugar Cane," Trop. Animal Production 3: 140 - 144 (1978).

15. A. Fernandez, N.A. MacLeod, and T.R. Preston, "Cassava Forage as a Combined Source of Protein and Forage for Cattle Fed on Molasses/Urea," Trop. Animal Production 2: 195 199 (19771.