References
- ALLEN, J. and PERRY, G. (1975) Feather pecking and cannibalism in a caged layer flock. British Poultry Science 16: 441-451.
- BESSEI, W. (1984) Untersuchungen zur Heritabilität des Federpickverhalten bei Junghennen. I. Mitteilung. Archiv für Geflügelkunde 45: 224-231.
- BESSEI, W., REITER, K., BLEY, T. and ZEEP, F. (1999) Measuring pecking of a bunch of feathers in individual housed hens: first results of genetic studies and feeding related reactions. Lohmann Information 22: 27-31.
- BHAGWAT, A.L. and CRAIG, J.V. (1977) Selection for age at first egg: effect on social dominance. Poultry Science 56: 361-363.
- BIJMA, P., MUIR, W.M. and VAN ARENDONK, J.A.M. (2007) Multilevel selection 1: quantitative genetics of inheritance and response to selection. Genetics 175: 277-288.
- BLOKHUIS, H.J., VAN NIEKERK, T.F., BESSEI, W., ELSON, A., GUÉMEMÉ, D., KJAER, J.B., LEVERINO, G.A.M., NICOL, C.J., TAUSON, R., WEEKS, C.A. and VAN DE WEERD, H.A. (2007) The LayWel project: welfare implications of changes in poultry systems for laying hens. World's Poultry Science Journal 63: 101-114.
- BUITENHUIS, A.J., KJAER, J.B., LABOURIAU, R. and JUUL-MADSEN, H.R. (2006) Altered circulating levels of serotonin and immunological changes in laying hens divergently selected for feather pecking behavior. Poultry Science 85: 1722-1728.
- BUITENHUIS, A.J., RODENBURG, T.B., WISSINK, P.H., VISSCHER, J., KOENE, P., BOVENHUIS, H., DUCRO, B.J. and VAN DER POEL, J.J. (2004) Genetic and phenotypic correlations between feather pecking behaviour, stress response, immune response, and egg quality traits in laying hens. Poultry Science 83: 1077-1082.
- CHENG, H.W., DILLWORTH, G., SINGLETON, P., CHEN, Y. and MUIR, W.M. (2001a) Effects of group selection for productivity and longevity on blood concentrations of serotonin, catecholamines, and corticosterone of laying hens. Poultry Science 80: 1278-1285.
- CHENG, H.W., EICHER, S.D., CHEN, Y., SINGLETON, P. and MUIR, W.M. (2001b) Effect of genetic selection for group productivity and longevity on immunological and hematological parameters of chickens. Poultry Science 80: 1079-1086.
- CHENG, H.W. and MUIR, W.M. (2005) The effect of genetic selection for survivability and productivity on chicken physiological homeostasis. World's Poultry Science Journal 61: 383-397.
- CHENG, H.W. and MUIR, W.M. (2007) Mechanisms of aggression and production in chickens: genetic variations in the functions of serotonin, catecholamine, and corticosterone. World's Poultry Science Journal 63: 233-254.
- CRAIG, J.V., JAN, M.L., POLLEY, C.R., BHAGWAT, A.L. and DAYTON, A.D. (1975) Changes in relative aggressiveness and social dominance associated with selection for early egg production in chickens. Poultry Science 54: 1647-1658.
- CRAIG, J.V. and MUIR, W.M. (1993) Selection for reduction of beak-inflicted injuries among caged hens. Poultry Science 72: 411-420.
- CRAIG, J.V. and MUIR, W.M. (1996) Group selection for adaptation to multiple-hen cages: beak-related mortality, feathering, and body weight responses. Poultry Science 75: 294-302.
- EL LETHEY, H., AERNI, V., JUNGI, T.W. and WECHSLER, B. (2000) Stress and feather pecking in laying hens in relation to housing conditions. British Poultry Science 41: 22-28.
- FINN, D.A., RITLEDGE-GORMAN, M.T. and CRABBE, J.C. (2003) Genetic animal models of anxiety. Neurogenetics 4: 109-135.
- GENTLE, M.J. and HUNTER, L.N. (1991) Physiological and behavioural responses associated with feather removal in Gallus gallus var domesticus. Research in Veterinary Science 50: 95-101.
- GREEN, L.E., LEWIS, K., KIMPTON, A. and NICOL, C.J. (2000) Cross-sectional study of the prevalence of feather pecking in laying hens in alternative systems and its associations with management and disease. The Veterinary Record 147: 233-238.
- HARMON, B.G. (1998) Avian heterophils in inflammation and disease resistance. Poultry Science 77: 972-977.
- HAVENSTEIN, G.B., FERKET, P.R. and QURESHI, M.A. (2003a) Carcass composition and yield of 1957 versus 2001 broilers when fed representative 1957 and 2001 broiler diets. Poultry Science 82: 1509-1518.
- HAVENSTEIN, G.B., FERKET, P.R. and QURESHI, M.A. (2003b) Growth, livability, and feed conversion of 1957 versus 2001 broilers when fed representative 1957 and 2001 broiler diets. Poultry Science 82: 1500-1508.
- HESTER, P.Y., MUIR, W.M. and CRAIG, J.V. (1996) Group selection for adaptation to multiple-hen cages: humoral immune response. Poultry Science 75: 1315-1320.
- HUGHES, B.O. and DUNCAN, I.J.H. (1972) The influence of strain and environmental factors upon feather pecking and cannibalism in fowls. British Poultry Science 13: 525-547.
- JONES, R.B., BLOKHUIS, H.J. and BEUVING, G. (1995) Open-field and tonic immobility responses in domestic chicks of two genetic lines differing in their propensity to feather peck. British Poultry Science 36: 525-530.
- KEELING, L. and WILHELMSON, M. (1997) Selection based on direct observations of feather pecking behaviour in adult laying hens. Proceedings of the 5th Symposium on Poultry Welfare, Wageningen, 7–10 June, pp. 77-79.
- KJAER, J.B., HJARVARD, B.M., JENSEN, K.H., HANSEN-MOLLER, J. and NAESBY LARSEN, O. (2004) Effects of haloperidol, a dopamine D2 receptor antagonist, on feather pecking behaviour in laying hens. Applied Animal Behaviour Science 86: 77-91.
- KJAER, J.B. and SØRENSEN, P. (1997) Feather pecking behaviour in White Leghorns, a genetic study. British Poultry Science 38: 333-341.
- KJAER, J.B., SØRENSEN, P. and SU, G. (2001) Divergent selection on feather pecking behaviour in laying hens (Gallus gallus domesticus). Applied Animal Behaviour Science 71: 229-239.
- LILJEDAHL, L.E., KOLSTAD, N., SØRENSEN, P. and MAIJALA, K. (1997) Scandinavian Selection and Crossbreeding Experiment with Laying Hens. Acta Agriculturæ Scandinavica 29: 273-286.
- MUIR, W.M. (1996) Group selection for adaptation to multiple-hen cages: selection program and direct responses. Poultry Science 75: 447-458.
- PEGURI, A. and COON, C. (1993) Effect of feather coverage and temperature on layer performance. Poultry Science 72: 1318-1329.
- REIF, A. and LESCH, K.P. (2003) Toward a molecular architecture of personality. Behavioural Brain Research 139: 1-20.
- RODENBURG, T.B. and KOENE, P. (2003). Comparison of individual and social feather pecking tests in two lines of laying hens at ten different ages. Applied Animal Behaviour Science 81: 133-148.
- SAVORY, C.J. (1995) Feather pecking and cannibalism. World's Poultry Science Journal 51: 215-219.
- SCHÜTZ, K.E. and JENSEN, P. (2001) Effects of Resource Allocation on Behavioural Strategies: A Comparison of Red Junglefowl (Gallus gallus) and Two Domesticated Breeds of Poultry. Ethology 107: 753-765.
- SU, G., KJAER, J.B. and SØRENSEN, P. (2005) Variance components and selection response for feather-pecking behavior in laying hens. Poultry Science 84: 14-21.
- SU, G., KJAER, J.B. and SØRENSEN, P. (2006) Divergent selection on feather pecking behavior in laying hens has caused differences between lines in egg production, egg quality, and feed efficiency. Poultry Science 85: 191-197.
- TAUSON, R. and SVENSSON, S.A. (1980) Influence of plumage condition on the hen's feed requirement. Swedish Journal of Agricultural Research 10: 35-39.
- VAN HIERDEN, Y.M., KORTE, S.M., RUESINK, E.W., VAN REENEN, C.G., ENGEL, B., KORTE-BOUWS, G.A.H., KOOLHAAS, J.M. and BLOKHUIS, H.J. (2002) Adrenocortical reactivity and central serotonin and dopamine turnover in young chicks from a high and low feather-pecking line of laying hens. Physiology & Behavior 75: 653-659.