共 26 条
- [5] BARR AJ, 1976, USERS GUIDE SAS76
- [7] EFFECT OF BROODING DENSITY ON BROILER PERFORMANCE [J]. POULTRY SCIENCE, 1981, 60 (04) : 730 - 732
- [8] THE EFFECT OF BEAK TRIMMING ON FOOD-INTAKE, FEEDING-BEHAVIOR AND BODY-WEIGHT IN ADULT HENS [J]. APPLIED ANIMAL ETHOLOGY, 1982, 8 (1-2): : 147 - 159
- [9] OBSERVATIONS ON THE SOCIAL BEHAVIOR OF HENS FOLLOWING DEBEAKING [J]. POULTRY SCIENCE, 1948, 27 (05) : 591 - 592