> Do you know of anybody I could talk to about this situation who 
 > knows A
 > LOT about the genetic risks involved in breeding half-siblings? I'd 
 > like
 > to get some statistics if there are any available.
I certainly understand and appreciate what you went through with Ivy, or with 
any new birds you've brought home in the past. So I can understand why you 
would consider holding back one of the babies.
Cathy Toft (remember her?) has done a LOT of research on genetics, 
hybridization, etc. and has had a number of papers published. I think she 
would be a wonderful source for information on this subject. She still logs 
onto BIN occasionally.....
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