Bird

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.

Animals respond for food in the presence of free food

Pigeons pecked a response disk to gain access to grain rewards while identical grain was freely available ... Similarly, rats pressed a lever for food pellets while free pellets were present. ... The act of producing food can serve as...

Year Published: 1969Animal Type: All/General, Bird, Other Bird, Rat, Rodent

Citation: Neuringer, A. J. 1969. Animals respond for food in the presence of free food. Science 166, 399-401.

The Behaviour of the Domestic Fowl – Heinemann Studies in Biology Volume 7

Description of the species-typical behavior of the domestic fowl.

Year Published: 1971Animal Type: Bird

Citation: Wood-Gush, D. G. M. 1971. The Behaviour of the Domestic Fowl - Heinemann Studies in Biology Volume 7. Heineman, London, UK.

The influence of strain and environmental factors upon feather pecking and cannibalism in fowls

Feather pecking occurs much more often when chicken are kept on wire floor rather then litter which allows the hens to peck up additional food particles.

Year Published: 1972Animal Type: Bird, Fowl

Citation: Hughes, B. O., 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.

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.