共 18 条
[4]
Eby H. J., 1971, P INT S LIVESTOCK WA, P319
[5]
GASSNER FX, 1947, FED PROC, V6, P109
[6]
Hammond John C., 1944, POULTRY SCI, V23, P471, DOI 10.3382/ps.0230471
[7]
HURST RO, 1957, CAN J BIOCHEM PHYS, V35, P637
[9]
LUEKER CE, 1960, J DAIRY SCI, V43, P1883
[10]
MARLOW HW, 1949, P SOC EXP BIOL MED, V72, P215, DOI 10.3181/00379727-72-17384