共 19 条
[1]
Ackert JE, 1935, J AGRIC RES, V50, P0607
[2]
ASMUNDSON V. S., 1932, CANADIAN JOUR RES, V6, P171
[3]
BRANDLY C. A., 1942, AMER JOUR VET RES, V3, P105
[4]
CHAMPION LR, 1952, POULTRY SCI, V31, P911
[5]
CHAMPION LR, 1950, POULTRY SCI, V29, P753
[6]
EDGAR SA, 1951, POULTRY SCI, V30, P911
[7]
FRATEUR JL, 1924, 2ND P WORLDS POULTR, P68
[9]
HERRICK CA, 1935, WISCONSIN AGR EXP ST, V430, P97
[10]
HUTT F. B., 1941, POULTRY SCI, V20, P342, DOI 10.3382/ps.0200342