共 25 条
[3]
COPPS PT, 1966, J ANIM SCI, V25, P646
[4]
DIEHL JR, 1970, J ANIM SCI, V31, P1032
[5]
PROSPECTS AND PROBLEMS OF PREGNANCY AND FERTILITY DIAGNOSIS IN PIG BY AID OF PROGESTERONE DETERMINATION
[J].
BRITISH VETERINARY JOURNAL,
1976, 132 (05)
:543-550
[8]
GRUNSELL C. S., 1953, VET REC, V65, P366
[10]
IRIE M, 1984, Japanese Journal of Zootechnical Science, V55, P381