共 23 条
- [1] Beck .G. H., 1943, JOUR DAIRY SCI, V26, P483, DOI 10.3168/jds.S0022-0302(43)92745-6
- [2] COCHRAN W. G., 1941, Journal of Dairy Science, V24, P937, DOI 10.3168/jds.S0022-0302(41)95480-2
- [3] DAWSON JR, 1938, USDA FARMERS B, V1914
- [4] Eckles C, 1939, DAIRY CATTLE MILK PR
- [5] HENDERSON HD, 1938, DAIRY CATTLE BREEDIN
- [6] JONES I. R., 1942, Journal of Dairy Science, V25, P689
- [8] LARSEN LH, 1944, FODRINGSFORSOG MED A, P209
- [9] LOVE HH, 1943, EXPT METHODS AGR RES
- [10] MORRISON FB, 1944, FEEDS FEEDING