Chicken

Effects of noxious stimuli on the electroencephalogram of anaesthetised chickens (Gallus gallus domesticus)

The reliable assessment and management of avian pain is important in the context of animal welfare. Overtly expressed signs of pain vary substantially between and within species, strains and individuals, limiting the use of behaviour in pain studies. Similarly, physiological...

Year Published: 2018Topics: Welfare AssessmentAnimal Type: Bird, Chicken

Citation: McIlhone, A. E., Beausoleil, N. J., Kells, N. J. et al. 2018. Effects of noxious stimuli on the electroencephalogram of anaesthetised chickens (Gallus gallus domesticus). PLOS ONE 13(4), e0196454.

Space use by 4 strains of laying hens to perch, wing flap, dust bathe, stand and lie down

The laying hen industry is implementing aviary systems intended to improve welfare by providing hens with more space and resources to perform species-specific behaviors. To date, limited research has examined spatial requirements of various strains of laying hens for performing...

Year Published: 2018Topics: Stocking DensityAnimal Type: Bird, Chicken

Citation: Riddle, E. R., Ali, A. B. A., Campbell, D. L. M. et al. 2018. Space use by 4 strains of laying hens to perch, wing flap, dust bathe, stand and lie down. PLOS ONE 13(1), e0190532.

A screen peck task for investigating cognitive bias in laying hens

Affect-induced cognitive judgement biases occur in both humans and animals. Animals in a more negative affective state tend to interpret ambiguous cues more negatively than animals in a more positive state and vice versa. Investigating animals' responses to ambiguous cues...

Year Published: 2016Topics: Welfare AssessmentAnimal Type: Bird, Chicken

Citation: Deakin, A., Browne, W. J., Hodge, J. J. L. et al. 2016. A screen peck task for investigating cognitive bias in laying hens. PLOS ONE 11(7), e0158222.

Emotional behavior in the domestic chicken (White Leghorn) as a function of age and developmental environment

Enrichment (presence of objects) during development decreases open-field emotionality.

Year Published: 1963Animal Type: Bird, Chicken

Citation: Canland, D. K., Nagy, Z. M., Conklyn, D. H. 1963. Emotional behavior in the domestic chicken (White Leghorn) as a function of age and developmental environment. Journal of Comparative and Physiological Psychology 56, 1069-1073.

Effects of visual complexity during rearing on chicks’ reactions to environmental change

Reaction to novel change was less in birds whose rearing conditions had been made more complex by the presence of a moving object or mirror.

Year Published: 1969Animal Type: Bird, Chicken

Citation: Broom, D. M. 1969. Effects of visual complexity during rearing on chicks' reactions to environmental change. Animal Behaviour 17, 773-780.

Free and operant feeding in domestic fowls

Chicken will work for food in the presence of free identical food. It is interesting that we failed to note any clear influence exerted by hunger motivation.

Year Published: 1972Animal Type: Bird, Chicken

Citation: Duncan, I. J. H., Hughes, B. O. 1972. Free and operant feeding in domestic fowls. Animal Behaviour 20, 775-777.

Growth in the Hubbard broiler: Increased size following early handling

Regular gentle handling at a young age resulted in improved growth rate.

Year Published: 1976Animal Type: Bird, Chicken

Citation: Thompson, C. I. 1976. Growth in the Hubbard broiler: Increased size following early handling. Developmental Psychobiology 9, 459-464.

The interactions of cage size, cage level, social density, fearfulness and production of Single Comb White Leghorns

Hens housed in the top row of a double-tier caging system appeared more fearful than those caged in the bottom row.

Year Published: 1976Animal Type: Bird, Chicken

Citation: Sefton, A. E. 1976. The interactions of cage size, cage level, social density, fearfulness and production of Single Comb White Leghorns. Poultry Science 55, 1922-1926.

The influence of handling on egg production, egg shell quality and avoidance behaviour of hens

Regular gentle-handling of chickens reduced fear and avoidance of humans.

Year Published: 1976Animal Type: Bird, Chicken

Citation: Hughes, B. O., Black, A. J. 1976. The influence of handling on egg production, egg shell quality and avoidance behaviour of hens. British Poultry Science 17, 135-144.

Preference decisions of domestic hens for wire or litter floors

Caged hens show a preference for litter over wire floors.

Year Published: 1976Animal Type: Bird, Chicken

Citation: Hughes, B. O. 1976. Preference decisions of domestic hens for wire or litter floors. Applied Animal Ethology (Applied Animal Behaviour Science) 2, 155-165.