1999
DOI: 10.1046/j.1439-0388.1999.00182.x
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Impact du degré de parenté sur la prolificité, l’éclosabilité et la viabilité des descendants dans une population expérimentale de pigeons

Abstract: Introduction Dans les espèces de petite taille et à rythme de reproduction rapide, l’effort de sélection ne porte que sur une fraction très limitée de la population. En effet, il est possible d’assurer rapidement, au travers d’un échelon de multiplication, la diffusion du progrès génétique ainsi créer à l’ensemble de la population en production. Ce progrès génétique à la suite de toute sélection intensive entraîne à long terme une augmentation de la consanguinité et une réduction de la variabilité génétique ( … Show more

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“…This result indicates the existence of an inbreeding depression in our study population. A similar result was previously obtained in an experimental population of pigeons [ 34 ]; by performing controlled crosses, the authors of the study showed that parental relatedness does not affect egg production or hatching rate, but markedly decreases young viability. This accords with the observation that inbreeding depression seems to be a common phenomenon in natural bird populations (e.g.…”
Section: Resultssupporting
confidence: 86%
“…This result indicates the existence of an inbreeding depression in our study population. A similar result was previously obtained in an experimental population of pigeons [ 34 ]; by performing controlled crosses, the authors of the study showed that parental relatedness does not affect egg production or hatching rate, but markedly decreases young viability. This accords with the observation that inbreeding depression seems to be a common phenomenon in natural bird populations (e.g.…”
Section: Resultssupporting
confidence: 86%