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forum-perroquet.com • quelqu'un connait cette mutation? (bourkes) : Le quotidien avec les perroquets

 

quelqu'un connait cette mutation? (bourkes)

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quelqu'un connait cette mutation? (bourkes)

Messagepar ashcan » Dim Avr 06, 2008 3:20 pm

en allant a animalis je suis tombée sur cet oiseau: une perruche de bourke avec le dos vert et les yeux rouge.le haut de sa tête était blanc. un oiseau au plumage juvénile? oui mais les yeux rouges??? quelqu'un connait cette mutation?

c'est celle du fond:

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Messagepar Jocelyne » Dim Avr 06, 2008 3:47 pm

C'est une pâle fallow. Il s'agit d'une mutation récessive autosomique, c'est-à-dire que chacun des parents doit fournir le gène mutant pour que la couleur soit visible, ce qui explique qu'elles sont plus rares, surtout ici au Québec. J'ai eu la chance d'en avoir deux issues de mon couple père standard/mère opaline pâle. Elles étaient magnifiques,dont une plus foncée, le dos plutôt jaune que vert, on l'appelle Bronze fallow. Tu peux voir la photo dans mon site:
http://pages.videotron.com/bourkes :wink:

On peut voir également la description de plusieurs mutations chez les bourkes dans le site de M. Campagne:
http://perruchedebourke.free.fr/mutatio ... tions1.htm
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Messagepar ashcan » Lun Avr 07, 2008 4:11 pm

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