References
- Ammerman , C. B. , Verde , G. J. , Moore , J. E. , Burns , W. C. and Chicco , C. F. 1972 . Biuret, urea and natural proteins as nitrogen supplements for low quality roughage for sheep . J. Anim. Sci. , 35 : 121 – 127 .
- AOAC . 1984 . Official methods of analysis, , 14th ed. , Washington , DC : Association of Official Analytical Chemists .
- Duff , G. C. , Goetsh , A. L. , Park , K. K. , Galloway , D. L. Sr. , Rinne , M. and Patil , A. R. 1995 . Feed intake and digestion by HOlstein steers consuming low protein forage supplemented with different nitrogen sources . J. Appl. Anim. Res. , 7 : 114 – 128 .
- El Hag , M. G. and El Shargi , K. M. 1996 . Feedlot performance and carcass characteristics of local (Dhofari) and exotic (Cashmere) goats fed on a high-fiber by-products diet supplemented with fish sardines . Asian Australian J. Anim. Sci. , 9 : 389 – 396 .
- Leng , R. A. 1991 . Application of biotechnology to nutrition of animals in developing countries , 32 – 93 . Rome , , Italy : Food and Agriculture Organization of the United Nations . Animal Production and Health paper 90
- Minson , D. J. 1967 . The voluntary intake and digestibility, in sheep, of chopped and pelleted Digitaria decumbens (Pangola grass) following a late application of fertilizer nitrogen . Brit. J. Nutr. , 21 : 587 – 596 .
- Preston , T. R. 1995 . Tropical animal feeding A manual for research workers , 83 – 133 . Rome , , Italy : Food and Agriculture Organization of the United Nations . Animal Production and Health paper 126
- Singh , P. , Kishan , Jai and Deb , S. M. 1996 . Review of nutrient utilization due to supplementation in ruminants . Int. J. Anim. Sci. , 11 : 161 – 166 .
- Steel , R. G. and Torrie , J. H. 1989 . Principles and Procedures of Statistics. A Biometrical Approach, , 2nd ed , New York : McGraw Hill Book Co. Inc. .
- Steen , R. W.J. 1989 . A composition of soyabean, sunflower and fish meals as protein supplements for yearling cattle offered grass silage-based diets . J. Anim. Prod. , 48 : 81 – 89 .
- Sukhija , P. T. , Bakshi , M. P.S. , Ichhponani , N. S. and Sidhu , G. S. 1984 . Effect of urea feeding on the rate of passage of digesta in cattle and Buffalo . Indian J. Anim. Nutr. , 1 : 11
- Tilley , J. M.A. and Terry , R. A. 1963 . A two-stage technique for the in vitro digestion of forage crops . J. Brit. Grassl. Soc. , 18 : 104