共 10 条
- [2] 50 YEARS OF PROGRESS IN SWINE BREEDING [J]. JOURNAL OF ANIMAL SCIENCE, 1958, 17 (04) : 960 - 980
- [4] FREDEEN H. T., 1957, Zeitschrift fur Tierzuchtung und Zuchtungsbiologie, V70, P348
- [6] RAHNEFELD GW, 1963, GENETICS, V48, P1567
- [7] REIMER D, 1959, THESIS U MINNESOTA
- [9] SELECTING BEEF CATTLE FOR ECONOMICAL GAIN [J]. JOURNAL OF ANIMAL SCIENCE, 1962, 21 (03) : 588 - &