共 14 条
- [1] CULBERTSON CC, 1932, IOWA AGR EXP STA LEA, V28
- [2] DAVIS H. J., 1938, POULTRY SCI, V17, P87, DOI 10.3382/ps.0170087
- [4] Gowen JW, 1936, GENETICS, V21, P1
- [5] Jackson S. H., 1946, JOUR NUTRITION, V32, P567
- [6] LAMOREPX W. F., 1940, Poultry Science, V19, P418, DOI 10.3382/ps.0190418
- [7] Lamoreux WF, 1939, J AGRIC RES, V58, P0307
- [9] LUSH JL, 1936, IOWA AGR EXP RES B, V204
- [10] MORRIS HP, 1933, MINN AGR EXP STA TEC, V92