共 38 条
- [1] BOWMAN JST, 1977, ANN M E BRANCH CAN S
- [2] CADY RA, 1981, CAN J ANIM SCI, V61, P1102
- [3] Draper N.R, 1998, APPL REGRESSION ANAL, V326, DOI 10.1002/9781118625590
- [4] Fallon R. J., 1979, Calving problems and early viability of the calf, P507
- [5] FERRIS TA, 1975, 271 MICH STAT U AGR
- [7] Hird D. W., 1982, PREV VET MED, V1, P53
- [9] Kleinbaum DG., 1982, EPIDEMIOLOGIC RES PR
- [10] FACTORS INFLUENCING PERINATAL AND EARLY POSTNATAL CALF MORTALITY [J]. JOURNAL OF ANIMAL SCIENCE, 1973, 37 (05) : 1092 - 1097