References

AOAC., 1990. Official Methods of Analysis. 15th Edn., Association of Official Analytical Chemists, Washington, DC., USA., ISBN-13: 978-0-935584-42-4, Pages: 1298.

Andrews, P.R. and E.R. Qrskov, 1970. The nutrition of the early weaned lamb. I. The influence of protein concentration and feding level on rate of gain in body weight. J. Agric. Sci., 75: 11-18.

Dabiri, N. and M.L. Thonney, 2004. Source and level of supplemental protein for growing lambs. J. Anim. Sci., 82: 3237-3244.
PubMed  |  Direct Link  |  

Ensminger, M.E., J.E. Oldfield and W.W. Heinemann, 1990. Pasture and Range Forages. 2nd Edn., The Ensminger Publishing Co., California, pp: 266-276..

Faria, D.V.P. and J.T. Huber, 1984. Effect of dietary protein and energy levels on rumen fermentation in Holstein steers. J. Anim. Sci., 58: 452-459.

Haaland, G.L., H.F. Tyrrell, P.W. Moe and W.E. Wheeler, 1982. Effect of crude protein level and limestone buffer in diets fed at two levels of intake on Rumen pH, ammonia-nitrogen, buffering capacity and volatile fatty acid concentration of cattle. J. Anim. Sci., 55: 943-950.

Haddad, S.G., R.E. Nasr and M.M. Muwalla, 2001. Optimum dietary crude protein level for finishing Awassi lambs. Small Rumin. Res., 39: 41-46.
CrossRef  |  Direct Link  |  

Hart, S.P. and H.A. Glimp, 1991. Effect of diet composition and feed intake level on diet digestibility and ruminal metabolism in growing lambs. J. Anim. Sci., 69: 1636-1644.
PubMed  |  

Horney, M.R., T. de Curto, M.M. Stamm, R.K. Bailey and S.D. Brandyberry, 1996. Early-vegetative tall fescue hay vs alfalfa hay as a supplement for cattle consuming low-quality roughages. J. Anim. Sci., 74: 1959-1966.
PubMed  |  

Kaya, I. and S. Yalcin, 2000. The effects of rations containing different amounts of common vetch seed on growth performance, digestibility and some blood and rumen metabolites in male lambs. Turk. J. Vet. Anim. Sci., 24: 307-315.
Direct Link  |  

Legleiter, L.R., A.M. Mueller and M.S. Kerley, 2005. Level of supplemental protein does not influence the ruminally undegradable protein value. J. Anim. Sci., 83: 863-870.
PubMed  |  

Markham, R., 1942. A steam distillation apparatus suitable for micro-Kjeldahl analysis. Biochem. J., 36: 790-790.

Muwalla, M.M., M.Y. Harb and T.F. Crosby, 1998. Effects of lasalocid and protein levels on the performance of Awassi lambs. Small Rumin. Res., 28: 15-22.

NRC, 1985. Nutrient Requirements of Sheep. 6th Edn., National Acadamic Science, USA., pp: 2-25.

Purroy, A., H. Echaide, F. Munoz and J.A.A. Arana, 1993. The effect of protein level and source of legume seeds on the growth and fattening of lambs. Livest. Prod. Sci., 34: 93-100.