1. 1） Agricultural and Food Research Council (AFRC). Energy and Protein Requirements of Ruminants. An advisory manual prepared by AFRC Technical Committee on Response to Ruminants. CAB International. Wallingford. 1993.
2. 2） Association of Official Analytical Chemists (AOAC). Official method of analysis of the AOAC. 14th ed. AOAC. Arlington, VA. 1984.
3. 3） DENG, K.-D., Q.-Y. DIAO, C.-G. JIANG, Y. TU, N.-F. ZHANG, J. LIU, T. MA, Y.-G. ZHAO and G.-S. XU, Energy requirements for maintenance and growth of Dorper crossbred ram lambs. Livest. Sci., 150 : 102-110. 2012.
4. 4） 出岡謙太郎，めん羊における粗飼料の利用．日畜北海道支部会報，33：17-26．1991.
5. 5） GALVANI, D.B., C.C. PIRES, G.V. KOZLOSKI and T.P. WOMMER, Energy requirements of Texel crossbred lambs. J. Anim. Sci., 86 : 3480-3490. 2008.