Originally Posted by Rock Creek Kennels
Wow! Its gonna be hard to tell too much at only 12 wks old. I wouldnt "take chances" with a breeding either. You should know what youre producing before its ever produced. If you produce a litter, you should be responsible enough to take care of what you have created. Not just "get rid" of the problem by killing it off.
Where people like it or not culling is an important part of breeding no matter what animal you breed.