共 24 条
[1]
EFFECTS OF CAGES AND SEMI-INTENSIVE DEEP LITTER PENS ON BEHAVIOR, ADRENAL RESPONSE AND PRODUCTION IN 2 STRAINS OF LAYING HENS
[J].
BRITISH VETERINARY JOURNAL,
1972, 128 (03)
:153-&
[2]
BARR AJ, 1976, USERS GUIDE SAS76
[4]
BHAGWAT AL, 1978, POULT SCI, V56, P883
[5]
MODELS OF HIERARCHY FORMATION IN ANIMAL SOCIETIES
[J].
BEHAVIORAL SCIENCE,
1974, 19 (06)
:374-382
[7]
DAWSON JS, 1967, POULTRY SCI, V46, P616
[8]
FAURE J-M, 1973, Annales de Genetique et de Selection Animale, V5, P463, DOI 10.1186/1297-9686-5-4-463
[10]
GUHL AM, 1953, AGR EXP STN TECH B, V73, P1