Bird

Effects of rearing experience and stimulus enrichment on feather damage in laying hens

Rearing chicks with access to sand and peat for dustbathing reduced later tendencies to engage in feather pecking; straw enrichment [cut straw in baskets] for laying hens had a similar effect.

Year Published: 1993Animal Type: Bird, Chicken

Citation: Norgaard-Nielsen, G., Vestergaard, K., Simonsen, H. B. 1993. Effects of rearing experience and stimulus enrichment on feather damage in laying hens. Applied Animal Behaviour Science 38, 345-352.

Feather pecking and chronic fear in groups of red junglefowl: their relationships to dustbathing, rearing environment and social status*

We feel that is useful to see feather pecking as an abnormal development of the perceptual mechanism responsible for the detection of dust for dustbathing and the exposure to salient stimuli at an early stage may be crucial. .. If...

Year Published: 1993Topics: Abnormal/Problematic BehaviorAnimal Type: Bird, Fowl

Citation: Vestergaard, K. S., Kruijt, J. P., Hogan, J. A. 1993. Feather pecking and chronic fear in groups of red junglefowl: their relationships to dustbathing, rearing environment and social status*. Animal Behaviour 45, 1127-1140.

Pecking behaviour of laying hens provided with a simple motorized environmental enrichment device

The hens operated such devices infrequently and habituation occurred within 5 d.

Year Published: 1993Topics: Environmental EnrichmentAnimal Type: Bird, Chicken

Citation: Sherwin, C. M. 1993. Pecking behaviour of laying hens provided with a simple motorized environmental enrichment device. British Poultry Science 34, 235-240.

The effect of environmental enrichment during rearing on fear reactions and depopulation trauma in adult caged hens

Environmental enrichment [plastic bottled, rattles, human voice by radio] during rearing was identified as an important factor affecting fear levels and risk of injury in adult birds.

Year Published: 1993Animal Type: Bird, Chicken

Citation: Reed, H. J., Wilkins, L. J., Austin, S. D. et al. 1993. The effect of environmental enrichment during rearing on fear reactions and depopulation trauma in adult caged hens. Applied Animal Behaviour Science 36, 39-46.

Treatment of psychogenic feather picking in psittacine birds with a dopamine antagonist

Year Published: 1993Animal Type: Bird, Parrot

Citation: Iglauer, F., Rasim, R. 1993. Treatment of psychogenic feather picking in psittacine birds with a dopamine antagonist. Journal of Small Animal Practice 34, 564-566.

Effect of age and presence of perches during rearing on tonic immobility fear reactions of broiler breeder pullets

Fearfulness was attenuated by the provision of perches during rearing.

Year Published: 1994Animal Type: Bird, Chicken

Citation: Brake, J., Keeley, T. P. 1994. Effect of age and presence of perches during rearing on tonic immobility fear reactions of broiler breeder pullets. Poultry Science 73, 1470-1474.

The effects of modifying the amount of human contact on behavioural, physiological and production responses of laying hens

Increasing the amount of human contact reduced the level of fear of humans ... and decreased corticosterone response to handling, with consequent positive effects on production.

Year Published: 1994Animal Type: Bird, Chicken

Citation: Barnett, J. L., Hemsworth, P. H., Hennessy, D. P. et al. 1994. The effects of modifying the amount of human contact on behavioural, physiological and production responses of laying hens. Applied Animal Behaviour Science 41, 87-100.

Nesting, dust bathing and perching by laying hens in cages: Effects of design on behaviour and welfare

Feather, foot and claw damage all tended to be less in the experimental [equipped with perch, dust bath and nest box] than in the conventional cages.Abstract published in Journal of Animal Science 70 (Supplement 1), 172, 1992; Appleby MC; Behaviour-environment...

Year Published: 1993Animal Type: Bird, Chicken

Citation: Appleby, M. C., Smith, S. F., Hughes, B. O. 1993. Nesting, dust bathing and perching by laying hens in cages: Effects of design on behaviour and welfare. British Poultry Science 34, 835-847.

An enrichment object that reduces aggressiveness and mortality in caged laying hens

The enrichment devices (colored key rings) significantly reduced aggressive head-pecking behavior and significantly decreased the mortality rate.

Year Published: 1994Topics: Environmental EnrichmentAnimal Type: Bird, Chicken

Citation: Gvaryahu, G., Ararat, E., Asaf, E. et al. 1994. An enrichment object that reduces aggressiveness and mortality in caged laying hens. Psychology and Behavior 55, 313-316.

Choice tests for space in groups of laying hens

Chickens were tested for their preference for [barren, unstructured] space. In terms of welfare it is usually assumed that the larger the cage, the better the welfare. However, according to present results this is not the case for some groups...

Year Published: 1994Topics: HousingAnimal Type: Bird, Chicken

Citation: Faure, J. M. 1994. Choice tests for space in groups of laying hens. Applied Animal Behaviour Science 39, 89-94.