I am a silkie breeder and we are facing a horrible problem too, we got breeders crossing the yorkie silky lines and is becoming a nightmare, I bought my girl from a VERY reputable silky breeder my boy came from another very reliable line, and after I heard a rumor I had to have BOTH DNA to make sure that my duo was 100% what they are supose to be and not a diluted one.
. Keeping the breeds pure and to standard is getting really hard to do with all the irresponsible breeding that is going on..
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just my little humble opinion ...
hugs,
Carmen in nj