Anupama and P. Ravindra. 2000. Value-added food: Single cell protein. Biotechnol. Adv. 18:459-479.
AOAC. 1984. Official methods of analysis. 14th edn. Association of Official Analytical Chemists, Arlington, VA, USA.
Bohnert, D. W., B. T. Larson, M. L. Bauer, A. F. Branco, K. R. McLeod, D. L. Harmon and G. E. Mitchell. 1999. Nutritional evaluation of poultry by-product meal as a protein source for ruminants: Small intestinal amino acid flow and disappearance in steers. J. Anim. Sci. 77:1000-1007.
Broderick, G. A., N. De Leon and Y. Nakamura. 2000. Potential of fermentation byproducts as nitrogen supplements for lactating dairy cows. J. Dairy Sci. 83:2548-2556.
Chaney, A. L. and E. P. Marbach. 1962. Modified reagents for determination of urea and ammonia. Clin. Chem. 8:130-132.
England, M. L., G. A. Broderick, R. D. Shaver and D. K. Combs. 1997. Comparison of in situ and in vitro techniques for measuring ruminal degradation of animal by-product proteins. J. Dairy Sci. 80:2925-2931.
Fox, D. G., L. O. Tedeschi, T. P. Tylutki, J. B. Russell, M. E. Van Amburgh, L. E. Chase, A. N. Pell and T. R. Overton. 2004. The Cornell net carbohydrate and protein system model for evaluating herd nutrition and nutrient excretion. Anim. Feed Sci. Technol. 112:29-78.
France, J., M. S. Dhanoa, M. K. Theodorou, S. J. Lister, D. R. Davies and D. Isac. 1993. A model to interpret gas accumulation profiles associated with in vitro degradation of ruminant feeds. J. Theor. Biol. 163:99-111.
Ha, J. K., H. D. Kim, S. S. Shim, J. H. Lee, Y. G. Ko, B. O. Kwack, S. S. Lee, W. Y. Kim and I. K. Han. 1998. Studies on nutritive value of lysine fermentation by-product as a protein source for ruminants I. Kor. J. Anim. Sci. 22:371-380.
Hannon, K. and A. Trenkle. 1990. Evaluation of condensed molasses fermentation solubles as a nonprotein nitrogen source for ruminants. J. Anim. Sci. 68:2634-2641.
Hsu, J. C., T. W. Perry and M. T. Mohler. 1984. Utilization of potato-corn biosolids single-cell protein and potato-corn primary waste by beef cattle. J. Anim. Sci. 58:1292-1299.
Johnson, D. E. and R. L. Remillard. 1983. Nutrient digestibility of brewers single cell protein. J. Anim. Sci. 56:735-739.
Kellems, R. O., M. S. Aseltine and D. C. Church. 1981. Evaluation of single cell protein from pulp mills - laboratory analyses and in vivo digestibility. J. Anim. Sci. 53:1601-1608.
Kim, H. K., C. W. Kim, J. K. Ha and S. Y. Yang. 1997. Condensed molasses fermentation solubles from monosodium glutamate production as a liquid protein supplement for ruminants 1. Chemical composition and effects of different levels of CMS on the nutrient digestibility and rumen fermentation in sheep. Kor. J. Anim. Nutr. Feed 21:207-218.
Kondo, Makoto, Kazumi Kita and Hiro-omi Yokota. 2007. Ensiled or oven-dried green tea by-product as protein feedstuffs: Effects of tannin on nutritive value in goats. Asian-Aust. J. Anim. Sci. 20:880-886.
Krishnamoorthy, U., C. J. Sniffen, M. D. Stern and P. J. Vansoest. 1983. Evaluation of a mathematical model of rumen digestion and an in vitro simulation of rumen proteolysis to estimate the rumen undegraded nitrogen content of feedstuffs. Br. J. Nutr. 50:555-568.
Kumar, R., D. N. Kamra, Neeta Agarwal and L. C. Chaudhary. 2007. In vitro methanogenesis and fermentation of feeds containing oil seed cakes with rumen liquor of buffalo. Asian- Aust. J. Anim. Sci. 20:1196-1200.
Lee, J. H., B. O. Kwack, H. D. Kim, S. S. Shim, Y. G. Ko, S. S. Lee, W. Y. Kim, J. K. Ha and I. K. Han. 1998. Studies on nutritive value of lysine fermentation by-product as a protein source for ruminants II. Kor. J. Anim. Sci. 22:381-390.
Licitra, G., T. M. Hernandez and P. J. VanSoest. 1996. Standardization of procedures for nitrogen fractionation of ruminant feeds. Anim. Feed Sci. Technol. 57:347-358.
Licitra, G., F. Lauria, S. Carpino, I. Schadt, C. J. Sniffen and P. J. Van Soest. 1998. Improvement of the streptomyces griseus method for degradable protein in ruminant feeds. Anim. Feed Sci. Technol. 72:1-10.
Licitra, G., P. J. Van Soest, I. Schadt, S. Carpino and C. J. Sniffen. 1999. Influence of the concentration of the protease from streptomyces griseus relative to ruminal protein degradability. Anim. Feed Sci. Technol. 77:99-113.
Liu, Z. J. and N. P. McMeniman. 2001. Effect of supplementation with a by-product of molasses fermentation or a non-protein nitrogen/mineral mix on feed intake and microbial protein supply in sheep consuming chopped oat (Avena sativa) hay. Small Rumin. Res. 41:229-233.
Menke, K. H. and H. Steingass. 1988. Estimation of the energetic feed value obtained from chemical analysis and in vitro gas production using rumen fluid. Anim. Res. Dev. 28:7-55.
National Research Council. 2001. Nutrient requirements of dairy cattle. 7th edn. National Academy Press, Washington, DC, USA.
Orskov, E. R. and I. Mcdonald. 1979. Estimation of protein degradability in the rumen from incubation measurements weighted according to rate of passage. J. Agric. Sci. 92:499- 503.
Piao, X. S., Y. K. Han, S. H. Bae, H. Lee and I. K. Han. 1998. Evaluation of CM (cell mass from lysine fermentation) as an alternative protein source in broiler diets. Asian-Aust. J. Anim. Sci. 11:550-558.
Russell, J. B., J. D. Oconnor, D. G. Fox, P. J. Vansoest and C. J. Sniffen. 1992. A net carbohydrate and protein system for evaluating cattle diets .1. Ruminal fermentation. J. Anim. Sci. 70:3551-3561.
SAS Institute Inc. 2002. User's guide: Statistics, version 9th edn. SAS Institute, Inc., Cary, NC.
Schofield, P., R. E. Pitt and A. N. Pell. 1994. Kinetics of fiber digestion from in vitro gas production. J. Anim. Sci. 72:2980- 2991.
Sedgman, C. A., J. H. B. Roy and J. Thomas. 1985a. Digestion, absorption and utilization of single-cell protein by the preruminant calf - abomasal outflow and its composition from calves given milk-substitute diets containing varying amounts of either bacterial or yeast protein. Br. J. Nutr. 53:673-689.
Sedgman, C. A., J. H. B. Roy, J. Thomas, I. J. F. Stobo and P. Ganderton. 1985b. Digestion, absorption and utilization of single-cell protein by the preruminant calf - the true digestibility of milk and bacterial protein and the apparent digestibility and utilization of their constituent amino acids. Br. J. Nutr. 54:219-244.
Sniffen, C. J., J. D. Oconnor, P. J. Vansoest, D. G. Fox and J. B. Russell. 1992. A net carbohydrate and protein system for evaluating cattle diets .2. Carbohydrate and protein availability. J. Anim. Sci. 70:3562-3577.
Tilley, J. M. A. and R. A. Terry. 1963. A two-stage technique for the in vitro digestion of forage crops. J. Br. Grassland Soc. 18:104-111.
Van Soest, P. J. 1994. Nutritional ecology of the ruminant. 2nd edn. Comstock Pub., Ithaca, NY, USA.
Van Soest, P. J., J. B. Robertson and B. A. Lewis. 1991. Methods for dietary fiber, neutral detergent fiber, and nonstarch polysaccharides in relation to animal nutrition. J. Dairy Sci. 74:3583-3597.
Wanapat, M., C. Promkot and S. Wanapat. 2006. Effect of cassoyurea pellet as a protein source in concentrate on ruminal fementation and digestibility in cattle. Asian-Aust. J. Anim. Sci. 19:1004-1009.
Zinn, R. A. and F. N. Owens. 1986. A rapid procedure for purine measurement and its use for estimating net ruminal protein synthesis. Can. J. Anim. Sci. 66:157-166.