Behav. When barriers were placed between animals that live in large, highly organised groupspatches where food was offered, both types of animals with a stable social hierarchy. the carp). GOTTLIEB, G. (1975). Premiers résultats. A brief history of the turkey. Paper presented at A.S.A.B. (1977). Socially-reared chicks showed fewer emotional responses and walked more when they were tested as trios rather than isolates at 22 or 23 days of age. The perceptual deficiency resulting from embryonic and postnatal auditory deprivation was relegated to the higher frequency components of the maternal call. Oestrogen treatment increased hens’ exploratory behavior in a novel pen containing conspicuous novel objects. In contrast, reluctance to breed first two are dispersive processes resulting from thein captivity (e.g., the panda) or long birth spacing limited size of the population and leading to random(e.g., the elephant) are unfavourable (Diamond, variations in gene frequencies (Beaumont et al.,2002). Evolution du comportement au cours d'un test open-field long chez le poussin.Biol. JONES, R, B., & GENTLE, M. J. It was proposed that chickens perceive human beings as predators.

After a certain time, kept in captivity (Price, 2002). 21 – 31.Anonymous, 1997. Behav. New York: Academic Press. For example, mooing is morefrequent in Aubrac than in Holstein breeds when 5. Morebetween females (Lazo, 1994). Psychonomic Science, 15, 39–40. 159 – 172. 6, 287. Behavioral Biology, 9, 389–396. AKBAR, M. K., GAVORA, J. E., & FAIRFULL, R. W. (1985). Testosterone and chick behavior.

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changes, but rather to provide elements to understand which changes occurred during domestication. 145 – 158. European hygiene regulations require the condemnation of any unsafe food. Social interactions are also reduced s vs. 23.3 s,), licked their calves longer (7.2 min vs.in captivity. Pizzari, T., Jensen, P., Cornwallis, C.K., 2004. 20, 105 – 108. Finally, if the weighting given for 15 years. Tyron, R. C. (1929).

Hohenheimer Arbeiten, 120. Relations entre la croissance et l'activité en open-field chez la poule.

A novel test of theLe Neindre, P., Murphy, T., Boissy, A., Purvis, I.W., Lindsay, D., phenotype-linked fertility hypothesis reveals independent com- Orgeur, P., Bouix, J., Bibe´, B., 1998. Applied Animal Ethology, 3, 255-261. Hormones and Behavior, 8, 120–123.

Arzneimittel-Forschung, 9, 1511–1512. Selection for surface feeding in farmed and sea-ranched masu salmon juveniles. (1971). Adrenergic and cholinergic control of open field behaviour in domestic chicks. ), The Ethology of Domestic Animals. Fear responses of individually-caged laying hens as a function of cage level and aisle. Socially reared female chicks of each of three lines walked, jumped, and vocalized more than males when individually placed in an open field.

FAURE, J. M. (1975). (1976). This is a preview of subscription content, log in to check access. (1969). An ethological analysis of open-field behaviour in chickens. In L. Y. Sorenson (Ed. In Hirsch, J. II. In R. Zayan & I. J. H. Duncan (Eds. Line effects were apparent. BESSEI, W., JONES, R. B., & FAURE, J. M. (1983).

(1978). A familiar auditory stimulus reduced distress calling when chicks were placed in a novel test arena. Proposed that (1) the effects of testosterone on open field vocalization can be adequately interpreted using the arousal hypothesis and (2) the injection of milligram amounts of testosterone into chicks represents a pharmacological rather than a physiological dose. N.Z. Genet. When given the choice between areas differing in novelty value, both group-and individually reared chicks preferred the most familiar. Revue de Comportement Animal, 4, 73–79. JONES, R. B., & FAURE, J. M. (1981).

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