共 86 条
[62]
PERFORMANCE OF SOWS 1ST MATED AT PUBERTY OR 2ND OR 3RD ESTRUS, AND CARCASS ASSESSMENT OF ONCE-BRED GILTS
[J].
ANIMAL PRODUCTION,
1977, 24 (JUN)
:333-342
[65]
HYPOGLYCAEMIA AN APPARENT CAUSE OF INFERTILITY OF LACTATING COWS
[J].
BRITISH VETERINARY JOURNAL,
1968, 124 (03)
:126-&
[68]
NISKER JA, 1980, NEW ENGL J MED, V303, P1124
[69]
OXENREID.SL, 1971, J ANIM SCI, V33, P1026