共 8 条
- [2] BALDINI JT, 1953, POULTRY SCI, V32, P888
- [3] CALLENBACH EW, 1933, PENNSYLVANIA AGR EXP, V299
- [4] FRAPS GS, 1946, TEXAS AGR EXP STA B, V678
- [6] HILL FW, 1949, P CORNELL NUTR C, P57
- [7] NORRIS L. C, 1936, POULTRY SCI, V15, P454, DOI 10.3382/ps.0150454