共 14 条
[3]
BYERS JH, 1962, J DAIRY SCI, V45, P693
[4]
CRAMPTON E. W., 1940, SCI AGRIC [OTTAWA], V20, P504
[7]
CRAMPTON EW, 1959, FUNDAMENTALS NUTRITI, P87
[9]
INGALLS JR, 1964, J ANIM SCI, V23, P1222
[10]
RICHARDS CR, 1960, J DAIRY SCI, V43, P866