Environment enrichment devices for caged laying hens

Journal of Applied Poultry Research

Volumn 7, Issue 1, 1998, Pages 19-26

  Bell, D D ^a   Adams, C J ^a   Gvaryahu, G ^b  

^a UNIVERSITY OF CALIFORNIA COOPERATIVE EXTENSION   (United States)

^b HEBREW UNIVERSITY OF JERUSALEM   (Israel)

Author keywords

Beak trimming; Behavior; Cage density; Caged layers; Debeaking; Environment enrichment devices

Indexed keywords

AVES;

EID: 0032380961     PISSN: 10566171     EISSN: None     Source Type: Journal    
DOI: 10.1093/japr/7.1.19     Document Type: Article

References (20)

1. Church, J.S., 1992. The effects of environmental enrichment on the behavior and productivity of caged White Leghorn hens, Gallus gallus domesticus. M.Sc. Thesis, Dalhousie University, Halifax, Nova Scotia, Canada.
2. Gvaryahu, G., D.L. Cunningham, and A. Van Tienhoven, 1989. Filial imprinting, environmental enrichment, and music application effects on behavior and performance of meat strain chicks. Poultry Sci. 68:211-217.
3. Gvaryahu, G., E. Ararat, E. Asaf, M. Lev, J.I. Weller, B. Robinzon, and N. Snapir, 1994. An enrichment object that reduces aggressiveness and mortality in caged laying hens. J. Physiol. Behav. 55(2):313-316.
4. Levi, G., E. Grossman, and G. Gvaryahu, 1991. The effect of colored and white environmental enrichment objects on laying hens. Page 47 in: Proc. 29th Annual Conv. World's Poultry Sci. Assn. (Israel Branch), Zichron Ya'akov, Israel.
5. Vestergaard, K., 1989. Environmental influences on the development of behavior and their relation to welfare. Pages 109-122 in: Proc. 3rd European Symp. Poultry Welfare, World's Poultry Sci. Assn., Tours, France.
6. Yasutomi, M. and N. Adachi, 1987. Effects of playthings on prevention of cannibalism in rearing chickens. Japan. Poultry Sci. 24:372-373.
7. Gentle, A.M., Z. Beheshti, and J.M. Held, 1987. Enrichment versus exercise effects on motor impairments following cortical removals in rats. Behav. Neur. Biol. 47:321-332.
8. Pearce, G.P. and A.M. Paterson, 1993. The effect of space restriction and provision of toys during rearing on the behavior, productivity, and physiology of male pigs. Appl. Anim. Behav. Sci. 36:11-28.
9. Renner, M.J. and M.R. Rosenzweig, 1987. The golden-mantled ground squirrel (Spermophilus lateralis) as a model for the effects of environmental enrichment in solitary animals. Dev. Psychobiol. 20:19-24.
10. Schaefer, A.L., M.O. Salomons, A.K. Tong, A.P. Sather, and P. Lepage, 1990. The effect of environmental enrichment on aggression in newly weaned pigs. Appl. Anim. Sci. 27:41-52.
11. Wood-Gush, D.G.M. and R.G. Beilharz, 1983. The enrichment of bare environment for animals in confined condition. Appl. Anim. Behav. Sci. 10:209-217.
12. Broom, D.M., 1969. Effects of visual complexity during rearing on chick's reactions to environmental changes. Anim. Behav. 17:773-780.
13. Jones, R.B., 1982. Effects of early environmental enrichment upon open-field behavior and timidity in the domestic chick. Dev. Psychobiol. 15:105-111.
14. Jones, R.B., S. Harvy, B.O. Hughes, and A. Chadwick, 1980. Growth and the plasma concentration of growth hormone and prolactin in chicks: Effects of environmental enrichment, sex, and strain. Br. Poultry Sci. 21:457-462.
15. Jones, R.B., A.D. Mills, and J.M. Faure, 1991. Genetic and experimental manipulation of fear-related behavior in Japanese Quail chicks (Coturnix coturnix Japonica). J. Comp. Psychol. 105:15-24.
16. Nicol, C.J., 1992. Effects of environmental enrichment and gentle handling on behavior and fear responses of transported broilers. J. Appl. Anim. Behav. Sci. 33:367-380.
17. Scherwin, C.M., 1991. The preference of hens for pecking simple objects of different colors. Pages 155-156 in: Proc. 25th Cong. Soc. Vet. Ethology, Hertfordshire, UK.
18. Scherwin, C.M., 1993. Pecking behavior of laying hens provided with a simple motorized environmental enrichment device. Br. Poultry Sci. 34:235-240.
19. Gao, W., J.J.R. Feddes, and F.E. Robinson, 1994. Effect of stocking density on the incidence of usage of environmental devices by White Leghorn hens. J. Appl. Poultry Res. 3:336-341.
20. Bell, D.D., 1994. Flock performance indexing: What values should we expect? Egg Industry, July/August, pp. 10, 12, 14.