共 11 条
[3]
CAREFOOT WC, 1986, BRIT POULTRY SCI, V27, P71
[4]
FISHER RA, 1963, STATISTICAL TABLES B
[5]
Hawksworth D., 1982, BRIT POULTRY STANDAR
[9]
SMYTH JR, 1979, POULTRY SCI, V58, P1108
[10]
SOMES RG, 1984, STORRS AGR EXPT STAT, P469