共 11 条
[2]
BAKER FN, 1955, J ANIMAL SCI, V14, P375
[3]
BRATTON RW, 1959, 940 CORN AGR EXP STA
[4]
EFFECT OF NUTRITION ON THE ONSET OF MALE SEX HORMONE ACTIVITY AND SPERM FORMATION IN MONOZYGOUS BULL-CALVES
[J].
PROCEEDINGS OF THE ROYAL SOCIETY SERIES B-BIOLOGICAL SCIENCES,
1957, 147 (928)
:332-+
[6]
FLIPSE RJ, 1953, 104 PENN AGR EXP STA
[7]
GUILBERT HR, 1951, CALIFORNIA BEEF PROD
[8]
REID JT, 1949, J AM VET MED ASSN, V884, P158
[9]
REID JT, 1949, J AM VET MED ASSN, V865, P242