Ahn, J. H., B. M. Robertson, R. Elliot, R. C. Gutteridge and C. W. Ford. 1989. Quality assessment of tropical browse legumes: Tannin content and protein degradation. Anim. Feed Sci. Technol. 27:147-156.
Albrecht, K. A. and R. E. Muck. 1991. Proteolysis in ensiled forage legumes that vary in tannin concentration. Crop Science, 31:464-469.
Aminah, A., A. C. Bakar and A. Izham. 1999. Silages from Tropical Forages: Nutritional Quality and Milk Production. FAO Electronic Conference on Tropical Silage 1999. Rome.http://www.fao.org./
AOAC. 1984. Official methods of analysis. 12th Ed. Association of Official Analytical Chemists, Washington, DC.
Carpintero, C. M., A. R. Henderson and P. McDonald. 1979. The effect of some pre-treatments on proteolysis during the ensiling of herbage. Grass and Forage Sci. 40:85-92.
Chen, C. P., R. A. Halim and F. Y. Chin. 1991. Fodder trees and fodder shrubs in range and farming systems of the Asian and Pacific region. In: Legume Trees and Other Fodder Trees as Protein Sources for Livestock. (Ed. A. Speedy and P. L. Pugliese). Proceedings of a workshop in Kuala Lumpur, Malaysia, 14-18 October, 11-12.
Ella, A. 1988. Evaluation and productibility of forage tree legumes grow at various densities and cutting frequencies alone or with a companion grass. University of New England Armidale Autralia. M.Sc. thesis (Rural Science), p. 118.
Gomez, G. and M. Valdivieso. 1984. Cassava for animal feeding: effect of variety and plant age on production of leaves and roots. Anim. Feed Sci. Technol. 11:49-55.
Haigh, P. M. and J. W. G. Parker. 1985. Effect of silage additives and wilting on silage fermentation, digestibility and intake, and on live weight change of young cattle. Grass and Forage Science, 40:429-436.
Hang, D. T. 1998. Digestibility and nitrogen retention in fattening pigs fed different levels of ensiled cassava root as energy source. Livestock Research for Rural Development. 10(3), 1998.
Lattemae, P. 1997. Ensiling and Evaluation of Forage Crops. Effects of harvesting strategy and use of additives to fresh-cut and wilted crops. Doctoral thesis. Swedish Univ. Agric. Sci. Agraria 32. Uppsala.
Lattemae, P., C. Olsson and P. Lingvall. 1996. The combined effect of molasses and formic acid on quality of red clover silage. Swedish J. Agric. Res. 26:31-41.
Lingvall, P. and B. Ericson. 1981. Dry matter determination of silage. (Mimeo. Swedish Univ. of Agric. Sci., dept. of Anim. Nutr., Report 45). Uppsala.
Mahyuddin, P., D. A. Little and J. B. Lowry. 1988. Drying treatment drastically affects feed evaluation and feed quality with certain tropical forages species. Anim. Feed Sci. Technol. 22:69-78.
Maldonado, R. A. P., B. W. Norton and G. L. Kerven. 1995. Factors affecting in vitro formation of tannin-protein complexes. J. Sci. Food Agric. 69:291-298.
McDonald, P. 1981. The Biochemistry of Silage. John Wiley & Sons Ltd., Chichester.
McDonald, R., R. A. Edwards and J. F. D. Greenhalgh. 1991. Animal Nutrition (4th edition). Longman Scientific & Technical, John Wiley and Sons Inc., New York.
MINITAB for windows. 1998. MINITAB release 12.21, Minitab Inc., 3081 Enterprise Drive, State College, PA 16801-3008, 814-238-3280, USA.
Morrison, I. M. 1979. Changes in the cell wall components of laboratory silages and the effect of various additives on these changes. J. Agric. Sci. Camb. 93:581-586.
Nishino, N., A. Sasaki and S. Uchida. 1999. Impact of ensiling on cell wall carbohydrates assessed by chemical analysis and ruminal fibrolytic enzyme activity. The XIIth International Silage Conference, Uppsala Sweden July 5-7, 1999. Conference proceedings pp. 237-238.
Nitis, I. M. 1991. Fodder trees and livestock production under harsh environment. Asian Livestock, October 1989:116-120.
Pettersson, K. 1988. Ensiling of forages. Factors affecting silage fermentation and quality. Dissertation, Swedish Univ. of Agri. Sci., report 179. Uppsala.
Phuc, B. H. N., B. Ogle and J. E. Lindberg. 2000. Effect of replacing soybean protein with cassava leaf protein in cassava root meal based diets for growing pigs on digestibility and N retention. Anim. Feed Sci. Technol. 83:223-235.
Ravindran, V. 1993. Preparation of cassava leaf products and their use as animal feeds. In roots, tubers, plantains and bananas in animal feeding. FAO electronic publication Rome.http: //www.fao.org./
Rodriguez, N. M., A. L. C. C. Borges, L. C. Goncalves, C. P. Zago and A. C. Lara. 1998. Forage sorhum silages with different tannin and moisture contents in the stem. III. Effects on nitrogenous compounds. Arquivo Brasileiro de medicina veterinaria e zootecnia. 50:161-165.
VanSoest, P. J. and L. B. Robertson. 1980. Systems of analysis for evaluating fibrous feeds. In: Standardization of Analytical Methodology for Feeds: Proceeding of a Workshop Help in Ottawa (Ed. W. J. Pigden, C. C. Balch and M. Graham). Canada, pp. 49-60.
Zelter, S. 1960. Fermentation beharviour of Lucerne ensiled by different methods. Proc. 8th Intern. Grassl. Congr., Reading, 505-510.