共 13 条
[1]
ALI TE, 1982, THESIS U GUELPH GUEL
[2]
BELLOWS RA, 1971, J ANIM SCI, V33, P407
[3]
BURNSIDE EB, 1985, ANIM BREED ABSTR, V52, P711
[4]
CADY R A, 1982, Journal of Animal Science, V55, P141
[5]
DWYER DJ, 1984, THESIS U GUELPH GUEL
[6]
FREEMAN AE, 1981, J DAIRY SCI S1, V64, P82
[7]
HENDERSON C R, 1980, Journal of Animal Science, V51, P119
[8]
DYSTOCIA AND STILLBIRTH IN CATTLE - A REVIEW OF CAUSES, RELATIONS AND IMPLICATIONS
[J].
LIVESTOCK PRODUCTION SCIENCE,
1984, 11 (02)
:143-177
[9]
PHILIPSSON J, 1976, Acta Agriculturae Scandinavica, V26, P221