You know, we have never had this problem with Abys. We bring a kitten home let him or her have the run of the house the 1st 24-36 hours while the incumbents are kept in the basement. Then we let them up, and there's a hissing fest, then a-sniffing, and then a brief period of alternately playing with and disciplining the new baby. I think getting adults to accept a kitten my be easier than getting them to accept another grown cat, but I also think the breed has made our lives very pleasant in this aspect.