共 6 条
[1]
BULLOCK D. W., 1963, British Poultry Science, V4, P227, DOI 10.1080/00071666308415499
[5]
NESHEIM MC, 1967, FEEDSTUFFS MINNEAP, V39, P37
[6]
WELLS RG, 1969, R6 BRIT EGG MARK BOA