共 21 条
[3]
DAVIS RN, 1948, J DAIRY SCI, V31, P691, DOI 10.3168/jds.S0022-0302(48)92284-X
[4]
ELSDEN SR, 1945, J EXP BIOL, V22, P51
[5]
Forbes EB, 1931, J AGRIC RES, V43, P1015
[6]
GAINES WL, 1928, ILL AGR EXPT STA B, V308
[7]
GIBSON G, 1939, MICH STATE COLL AGR, V21, P258
[8]
HALE E. B., 1940, JOUR DAIRY SCI, V23, P953, DOI 10.3168/jds.S0022-0302(40)95580-1
[9]
HUFFMAN C. F., 1938, Journal of Dairy Science, V21, P101, DOI 10.3168/jds.S0022-0302(38)95623-1
[10]
HUFFMAN C. F., 1942, JOUR DAIRY SCI, V25, P507, DOI 10.3168/jds.S0022-0302(42)95318-9