共 33 条
[21]
NELSON BD, 1972, J DAIRY SCI, V55, P358, DOI 10.3168/jds.S0022-0302(72)85497-3
[22]
OSHEA J, 1972, IRISH J AGR RES, V11, P175
[26]
SLYTER LL, 1972, J ANIM SCI, V35, P288
[27]
Snedecor G.W., 1980, STAT METHODS
[28]
STADTMAN ER, 1949, J BIOL CHEM, V178, P677
[29]
TILLEY J. M. A., 1963, JOUR BRIT GRASSLAND SOC, V18, P104
[30]
TILLEY JMA, 1960, 8 P INT GRASSL C, P533