Bad idea to let siblings breed with each other?

by Andrew
(Irvine, California)

I have a pair of Lady Gouldians who just had a clutch of four, who are now fledglings. When they are mature and able to breed, can I allow these siblings to breed, or must I separate them by sex and introduce new mates?

It is sort of the same with people, not a good idea to pair siblings. Offspring will tend to be weak and not normal vibrant Gouldians. I have heard that some breeders will pair birds that are related. This is done to increase numbers of birds with a particular mutation. Brother and sister are just too close. Perhaps an uncle and a niece. I have no first hand experience in this area, Try google and search for line breeding in birds.
Best of Luck, Jeanie

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