共 20 条
[1]
AUSTIN AD, UNPUBLISHED
[2]
BENDER R. C, 1932, JOUR DAIRY SCI, V15, P242, DOI 10.3168/jds.S0022-0302(32)93409-2
[3]
BRATTON R. W., 1938, Journal of Dairy Science, V21, P109, DOI 10.3168/jds.S0022-0302(38)95624-3
[4]
COMBS GF, 1955, FEED AGE, V5, P50
[5]
Corbett W. J., 1943, JOUR DAIRY SCI, V26, P419, DOI 10.3168/jds.S0022-0302(43)92737-7
[6]
GAITHER W, 1954, 4TH P ANN SHEEP PROD
[7]
HILL O. J., 1938, Journal of Dairy Science, V21, P529, DOI 10.3168/jds.S0022-0302(38)92998-4
[10]
MASON RW, 1954, P WESTERN DIVISION A