共 8 条
[4]
Cunningham DL, 1992, J APPL POULT RES, V1, P129, DOI [10.1093/japr/1.1.129, DOI 10.1093/JAPR/1.1.129]
[7]
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