共 12 条
- [1] ARNOLD P. T. DIX, 1936, JOUR DAIRY SCI, V19, P257, DOI 10.3168/jds.S0022-0302(36)93061-8
- [5] GOODWIN MM, 1956, J DAIRY SCI, V39, P945
- [6] Klein John W., 1943, JOUR DAIRY SCI, V26, P705, DOI 10.3168/jds.S0022-0302(43)92771-7
- [8] PANDEY RS, 1978, INDIAN VET J, V55, P935