共 18 条
[1]
BECKER DE, 1950, CORNELL VET, V40, P350
[2]
A COMPARATIVE TRIAL OF CROSSBRED EWES BY FINNISH LANDRACE AND OTHER SIRES
[J].
ANIMAL PRODUCTION,
1968, 10
:413-&
[3]
INFLUENCE OF LITTER SIZE AND BREED OF SIRE ON CARCASS WEIGHT AND QUALITY OF LAMBS
[J].
ANIMAL PRODUCTION,
1970, 12
:281-&
[4]
EAGLETON G E, 1970, Animal Blood Groups and Biochemical Genetics, V1, P135
[5]
FALCONER DS, 1961, INTRODUCTION QUANTIT
[7]
HACKETT PL, 1957, AM J VET RES, V18, P338
[9]
Underwood E. J., 1962, TRACE ELEMENTS HUMAN