A Factor Analysis of Seasonal, Behavioral, Hormonal and Body Weight Changes in Adult Male Barheaded Geese, Anser Indicus

AbstractIndividual measurements of courting, aggression, pairbond displays, body weights and the circulating levels of testosterone, LH, T4 and prolactin in male barheaded geese were subjected to a factoral analysis. Data from the whole year were analysed and then broken up into pre-breeding and pos...

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Bibliographic Details
Published in:Behaviour 1984-01, Vol.90 (1-3), p.114-123
Main Authors: Dittami, John P, Reyer, Heinz-Ullrich
Format: Article
Language:English
Subjects:
aggressive behavior
Androgens
animal physiology
Anser indicus
Biological and medical sciences
Body weight
Correlations
courtship
Ducks
Factor analysis
Freshwater
Fundamental and applied biological sciences. Psychology
Geese
Hormones
luteinizing hormone
Mating behavior
natural resources
Non mammalian vertebrate reproduction
pair bond
seasonal variations
Statistical variance
Testosterone
thyroxine
Vertebrates: reproduction
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Summary:AbstractIndividual measurements of courting, aggression, pairbond displays, body weights and the circulating levels of testosterone, LH, T4 and prolactin in male barheaded geese were subjected to a factoral analysis. Data from the whole year were analysed and then broken up into pre-breeding and post-breeding components and re-analysed. Some parameters remained clumped in the same factors throughout like aggression and pair-bond displays, LH and testosterone, and prolactin and body weight. Others, especially behavioral and endocrinological parameters were only linked on either an annual or seasonal basis.
ISSN:0005-7959
1568-539X
DOI:10.1163/156853984X00579