共 43 条
[2]
Appleby M.C., 2004, Poultry Behaviour and Welfare, P45
[4]
Berk J., 1997, P 29 INT C INT SOC A, pS25
[5]
PINEAL ENZYMES - REGULATION OF AVIAN MELATONIN SYNTHESIS
[J].
SCIENCE,
1973, 181 (4096)
:273-275
[7]
Cherry P., 1962, British Poultry Science, V3, P31, DOI 10.1080/00071666208415456
[8]
Davis NJ, 1999, ANIM WELFARE, V8, P193
[10]
Duncan I. J. H., 1993, Basic Biology and Welfare Alternative Housing Systems, V7, P69