[Aerni V., El-Lethey H., Wechsler B. (2000). Effect of foraging material and food form on feather pecking in laying hens. Brit. Poultry Sci., 41: 16-21.]Search in Google Scholar
[Anderson K.E., Davis G.S., Jenkins P.K., Carroll A.S. (2004). Effects of bird age, density, and molt on behavioral profiles of two commercial layer strains in cages. Poultry Sci., 83: 15-23.]Search in Google Scholar
[Anderson K.E., Jones D.R., Davis G.S., Jenkins P.K. (2007). Effects of genetic selection on behavioral profiles of Single Comb White Leghorn hens through two production cycles. Poultry Sci., 86: 1814-1820.]Search in Google Scholar
[Calik J. (2009). Characteristics productive traits in laying hens included in the genetic resources conservation programme in Poland (in Polish). Zesz. Nauk. PTIE i PTG, Oddz. Rzeszów, 11: 21-26.]Search in Google Scholar
[Cheng H.W., Muir W.M. (2004). Chronic social stress differentially regulates neuroendocrine responses in laying hens: II. Genetic basis of adrenal responses under three different social conditions. Psychoneuroendocrinology, 29: 961-971.]Search in Google Scholar
[El-lethey H., Jungi T.W., Huber-Eicher B. (2001). Effects of feeding corticosterone and housing conditions on feather pecking in laying hens (Gallus gallus domesticus). Physiol. Behav., 73: 243-251.]Search in Google Scholar
[Fraisse F., Cockrem J.F. (2006). Corticosterone and fear behavior in white and brown caged laying hens. Brit. Poultry Sci., 47: 110-119.]Search in Google Scholar
[Hetland H., Svihus B. (2007). Inclusion of dust bathing materials affects nutrient digestion and gut physiology of layers. J. Appl. Poultry Res., 16: 22-26.]Search in Google Scholar
[Hocking P.M., Channing C.E., Waddington D., Jones R.B. (2001). Age-related changes in fear, sociality and pecking behaviours in two strains of laying hen. Brit. Poultry Sci., 42: 414-423.]Search in Google Scholar
[Klein T., Zeltner E., Huber-Eicher B. (2000). Are genetic differences in foraging behaviour of laying hen chicks paralleled by hybrid-specific differences in feather pecking? Appl. Anim. Behav. Sci., 70: 143-155.]Search in Google Scholar
[Lay D.C. Jr., Fulton R., Hester P., Karcher D., Kjaer J., Mench J., Mullens B., Newberry R., Nicol C., O'Sullivan N., Porter R. (2011). Hen welfare in different housing systems. Poultry Sci., 90: 278-294.]Search in Google Scholar
[Lee Y.P., Chen T.L. (2007). Daytime behavioural patterns of slow-growing chickens in deep-litter pens with perches. Brit. Poultry Sci., 48: 113-120.]Search in Google Scholar
[Mahboub H.D.H., Müller J., Borell E. (2004). Outdoor use, tonic immobility, heterophil/lymphocyte ratio and feather condition in free-range laying hens of different genotype. Brit. Poultry Sci., 45: 738-744.]Search in Google Scholar
[Nicol C., Lindberg A., Phillips A., Pope S., Wilkins L., Green L. (2001). Influences of prior exposure to wood shavings on feather pecking, dustbathing and foraging in adult laying hens. Appl. Anim. Behav. Sci., 73: 141-155.]Search in Google Scholar
[Nielsen B.L., Thomsen M.G., Sorensen P., Young J.F. (2003). Feed and strain effects on the use of outdoor areas by broilers. Brit. Poultry Sci., 44: 161-169.]Search in Google Scholar
[Scott T.A., Silversides F.G. (2000). The effect of storage and strain of hen on egg quality. Poultry Sci., 79: 1725-1729.]Search in Google Scholar
[Silversides F.G., Korver D.R., Budgell K.L. (2006). Effect of strain of layer and age at photostimulation on egg production, egg quality, and bone strength. Poultry Sci., 85: 1136-1144.]Search in Google Scholar
[Singh R., Cheng K.M., Silversides F.G. (2009). Production performance and egg quality of four strains of laying hens kept in conventional cages and floor pens. Poultry Sci., 88: 256-264.]Search in Google Scholar
[Tauson R. (2002). Furnished cages and aviaries: production and health. World. Poultry Sci. J., 58: 49-63.]Search in Google Scholar
[Uitdehaag K.A., Komen H., Rodenburg T.B., Kemp B., van Arendonk J. (2008). The novel object test as predictor of feather damage in cage-housed Rhode Island Red and White Leghorn laying hens. Appl. Anim. Behav. Sci., 109: 292-305.]Search in Google Scholar
[Uitdehaag K.A., Rodenburg T.B., Bolhuis E.J., Decuypere E., Komen H. (2009). Mixed housing of different genetic lines of laying hens negatively affects feather pecking and fear related behaviour. Appl. Anim. Behav. Sci., 116: 58-66.]Search in Google Scholar
[Väisänen J., Håkansson J., Jensen P. (2005). Social interactions in Red Junglefowl (Gallus gallus) and White Leghorn layers in stable groups and after re-grouping. Brit. Poultry Sci., 46: 156-168.]Search in Google Scholar
[Wirén A., Gunnarsson U., Andersson L., Jensen P. (2009). Domestication-related genetic effects on social behavior in chickens - Effects of genotype at a major growth quantitative trait locus. Poultry Sci., 88: 1162-1166.]Search in Google Scholar
