共 86 条
- [1] ANDERSEN H., 1968, Arsberetn. Inst. Sterilitetsforsk. K. Vet.- og Landbohjsk., P191
- [2] ANDERSEN H., 1968, Arsberetn. Inst. Sterilitetsforsk. K. Vet.- og Landbohjsk., P209
- [4] VARIATIONS IN AMOUNT OF CULLING FROM DHIA HERDS [J]. JOURNAL OF DAIRY SCIENCE, 1951, 34 (06) : 529 - 535
- [5] ASHTON GC, 1962, J REPROD FERTIL, V3, P93, DOI 10.1530/jrf.0.0030093
- [6] BANE A., 1954, Acta Agriculturae Scandinavica, V4, P95
- [8] BECKER RB, 1960, 13 P ANN CONV NAAB, P77
- [9] BISHOP DW, 1968, 6 C INT REPR AN INS, V1, P113
- [10] BLOM E, 1968, NORD VET MED, V20, P279