共 19 条
[1]
Becker JE, 1938, P SOC EXP BIOL MED, V38, P740
[5]
GALLUP WD, 1952, J ANIM SCI, V11, P783
[7]
HANSARD SL, 1960, J ANIM SCI, V19, P655
[9]
HELLER V. G., 1937, POULTRY SCI, V16, P243, DOI 10.3382/ps.0160243