1 전중환, "산란계의 열환경별 특이음에 대한 음성학적 분석" 한국동물자원과학회 47 (47): 697-702, 2005
2 구중회, "비육돈 및 산란계 밀집사육과 스트레스 대응 호르몬의 상관성에 대한 연구" 1 : 55-59, 2007
3 임신재, "모돈의 인공수정 후 시기별 발성음의 특성" 한국동물자원과학회 50 (50): 401-406, 2008
4 Perry, G. C, "Welfare of the laying hen: poultry science symposium series volume twenty-seven" CABI Publishing 2004
5 Appleby, M. C, "Welfare of laying hens in cages and alternative systems: environmental, physical and behavioural aspects" 47 : 109-128, 1991
6 Manteuffel, G, "Vocalization of farm animals as a measure of welfare" 88 : 163-182, 2004
7 Wathes, C. M, "Ventilation, air hygiene and animal health" 113 : 554-559, 1983
8 Leone, E. H, "Use of space in the domestic fowl: separating the effects of enclosure size, group size and density" 76 : 1673-1682, 2008
9 Warburton, K, "Tendency distance models of social cohesion in animal group" 150 : 473-488, 1991
10 Webster, A. B, "Synchronization of behavior among laying hens in battery cages" 63 : 45-48, 1994
1 전중환, "산란계의 열환경별 특이음에 대한 음성학적 분석" 한국동물자원과학회 47 (47): 697-702, 2005
2 구중회, "비육돈 및 산란계 밀집사육과 스트레스 대응 호르몬의 상관성에 대한 연구" 1 : 55-59, 2007
3 임신재, "모돈의 인공수정 후 시기별 발성음의 특성" 한국동물자원과학회 50 (50): 401-406, 2008
4 Perry, G. C, "Welfare of the laying hen: poultry science symposium series volume twenty-seven" CABI Publishing 2004
5 Appleby, M. C, "Welfare of laying hens in cages and alternative systems: environmental, physical and behavioural aspects" 47 : 109-128, 1991
6 Manteuffel, G, "Vocalization of farm animals as a measure of welfare" 88 : 163-182, 2004
7 Wathes, C. M, "Ventilation, air hygiene and animal health" 113 : 554-559, 1983
8 Leone, E. H, "Use of space in the domestic fowl: separating the effects of enclosure size, group size and density" 76 : 1673-1682, 2008
9 Warburton, K, "Tendency distance models of social cohesion in animal group" 150 : 473-488, 1991
10 Webster, A. B, "Synchronization of behavior among laying hens in battery cages" 63 : 45-48, 1994
11 Cooper, J. J, "Social space for laying hens. In Welfare of the laying hens" CABI Publishing, Wallingford 191-202, 2004
12 SPSS Institute, "SPSS Base 9.0 User’s Guide" SPSS Inc 1999
13 Groot, J, "Long-term effects of social stress on antiviral immunity in pigs" 73 : 145-158, 2001
14 Keeling, L. J, "Inter-bird distances and behavioural priorities in laying hens: the effect of spatial restriction" 39 : 131-140, 1994
15 Deaton, J. W, "Effect of summer cyclic temperature versus moderate temperate on laying hen performance" 65 : 1649-1651, 1985
16 DEFRA, "Code of recommendations for the welfare of livestock: laying hens" DEFRA Publication 2002
17 Beerda, B, "Chronic stress in dogs subjected to social and spatial restriction. II. Hormonal and immunological responses" 66 : 243-254, 1999