AOAC. 1990. Official methods of analysis of the Association of Official Analytical Chemist. 15th edn. Washington, DC. 1:69-90.
AOAC. 2000. Official methods of analysis of the Association of Official Analytical Chemist. 17th edn. Washington, DC. Capter 10:5-8.
Barry, T. N., R. C. McDonald and T. C. Reid. 1981. Nutritional evaluation of kale (Brassica oleracea) diets: 1. Growth of grazing lambs as affected by time after incubation to the crop, feed allowance and intraperiotoneal amino acid supplementation. J. Agric. Sci. 96:257-267.
Binh, D. V., N. Q. Suc, C. D. Khu and D. X. Bien. 1995. Results from the research of Bachthao raising in the Northen Vietnam (in Vietnamese). In Selection of scientific works on animal production (1969-1995). Agricultural Publishing House. Hanoi, Vietnam. p. 32.
Boucqué, C. V. and L. O. Fiems. 1988. Vegetable by-products of agro-industrial origin. Livestock Production Science 19:97-135.
Cassida, K. A., B. A. Barton, R. L. Hough, M. H. Wiedenhoeft and K. Guillard. 1994. Feed intake and apparent digestibility of hay-supplemented Brassica diets for lambs. J. Anim. Sci. 72:1623-1629.
Casteel, S. W., F. T. Satalowich, J. D. Kendall, G. E. Rottinghaus, H. S. Gosser and N. R. Schneider. 1993. Aldrin intoxication and clearance of associated dieldrin residues in a group of feedlot cattle. J. Am. Vet. Ass. 202:83-85.
Chi, N. T. K. 1997. Investigating of pesticides on some kinds of vegetables in Can Tho City (in Vietnamese). Department of Science, Technology and Environment of Can Tho, pp. 12-14.
Duncan, A. J. and J. A. Milne. 1992. Rumen microbial degradation of Allyl Cyanide as a possible explanation for the tolerance of sheep to Brassica-derived glucosinolates. J. Sci. Food Agric. 5:15-19.
Duncan, A. J. and J. A. Milne. 1993. Effects of oral administration of Brassica secondary metabolites, allyl cyanide, allyl isothiocyanate and dimethyl disulpide on the voluntary food intake and metabolism of sheep. Br. J. Nutr. 70:631-645.
Francis, G. H. 1980. Use of vegetable and arable by-products. In: By-products and wastes in animal feeding (Ed. E. R. Orskov). An occasional publication of the British Society of Animal Production pp. 33-43.
Gasa, J., C. Castrillo, M. D. Baucells and J. A. Guada. 1989. Byproducts from the canning industry as feed stuff for ruminants: digestibility and its prediction from chemical composition and laboratory bioassays. Anim. Feed Sci. Technol. 25:67-77.
General Statistical Office. 1999. Statistical data of agriculture, forestry and fishery 1990-1998 and forecast in the year 2000 (in Vietnamese). Statistical Publishing House p. 80.
Gupta, R., T. R. Chauhau and D. Lall. 1993. Nutritional protential of vegetable waste products for ruminants. Biores. Technol. 44:263-265.
Gustine, D. L. and G. A. Jung. 1985. Influence of some management parameters on glucosinolate levels in Brassica forage. Agron. J. 77:593-597.
Lambert, M. G., S. M. Abrams, H. W. Harpster and G. A. Jung. 1987. Effect of hay substitution on intake and digestibility of forage rape (Brassica napus) fed to lambs. J. Anim. Sci. 65:1639-1646.
MINITAB For Windows. 1998. MINITAB release 12.21. Minitab Inc.
Ngu, N. T., I. Ledin, M. Dahlgren and A. Nilsson. 2001. The potential of market wastes from fruits and vegetables as livestock feed in urban areas of the Mekong Delta, Vietnam. In: Improving utilisation of market wastes from fruits and vegetables in goat feeding (Ed. N. T. Ngu). M.Sc. Thesis, Swedish University of Agricultural Sciences, Department of Animal Nutrition and Management pp.1-17.
NRC. National Research Council. 1981. Nutrient requirements of goats: Angora, Dairy and Meat goats in temperate and tropical country 15:10-12. National Academy Press, Washington DC.
Schroeder, J. W. 1999. By-products and regionally available alternative feedstuffs for dairy cattle. North Dakota State University. NDSU Extension Service. http://www.ext.nodak.edu/extpubs/ansci/dairy/as1180w.html.
Thuy, N. T. T. and H. Q. Do. 1996. Using Sesbania grandiflora for growing goats (in Vietnamese). B.Sc. Thesis, Can Tho University, Vietnam, p. 17.
Tien, N. V. and N. T. H. Nhan. 1998. Effect of Sesbania grandiflora, Leucaena leucocephala, Hibiscus rosa-sinensis and Ceiba pentadra on intake, digestion and rumen environment of growing goats (in Vietnamese). B.Sc. Thesis, Can Tho University, Vietnam, p. 26.
Van Soest, P. J. and J. B. Robertson. 1985. Analysis of forages and fibrous foods. A laboratory Manual for Animal Science 613. Department of Animal Science. Cornell University. Ithaca, New York, pp. 80-117
Yousef, M. I, M. S. Abbassy and M. H. M. Yacout. 1999. Assessment of cypermethrin and dimethoate toxicity in Barki sheep. Biochemical and histological changes, and tissue residues. Egyptian Journal of Animal Production 36:25-41.