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Okay to breed half siblings?

KenW Nov 18, 2004 10:11 PM

I'm thinking about buying a pair of albinos from one breeder. He tells me this pair was fathered by one male and different females. Because of their same father will there be any problems breeding these two in the future?

Thanks in advance.

Replies (1)

survey33 Nov 19, 2004 01:33 AM

You'll have to make that judgement call yourself. If it can be avoided, that would be best since the strenght of genetics is the great variation. If the orinal father (common parent to both babies) had some deleterious mutation or carried a genetic flaw (even if it is recessive and unseen) that could present a problem. Normally that would not be much of a problem, but with breeding closely related individuals you a shrinking the gene pool and making it more likely that the defect is passed on or expressed.

Normal siblings with the same father and mother are 50% related, the fact that these two had different mothers does make it better.

Only the larger breeders have enough stock to be able to provide multiple unrelated lines of the different morphs, and even then not always with the newer morphs. So truthfully it is done all the time to produce morphs, especially with simple recessive traits. It would still be good to outcross once you get the chance though. Good luck, Dave

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