共 23 条
- [1] BOHMAN VR, 1962, P W SEC AM SOC ANIM, V13
- [4] DIJKSTRA N D, 1969, Netherlands Journal of Agricultural Science, V17, P27
- [7] FIGROID WC, 1971, THESIS U ARIZONA TUC
- [8] Goering H. K., 1970, ARS USDA HDB, V379
- [9] GRAINGER RB, 1961, J ANIM SCI, V20, P319
- [10] GRAINGER RB, 1957, J ANIM SCI, V16, P1086