共 5 条
- [1] HOLMAN ET, 1933, 5TH WORLDS POULTR C, P612
- [2] KRAYBILL HR, 1953, DEC P NUTR COUNC AM, P13
- [3] RUNNELS TD, 1954, U DELAWARE AGR EXP S, V109
- [5] ANTIBIOTIC LEVELS IN THE DIGESTIVE TRACT OF THE CHICK [J]. POULTRY SCIENCE, 1953, 32 (06) : 966 - 968