The bitter TruthActually tea cup pugs are not really a purebred of pugs, as an alternative they are half breeds. Most common lying’s a pug crossed with a Chihuahua and the out come will be fair lyre mark able. There is a one noticeable difference between teacup pug and normal pure bred, the size of the snout is a bit longer in teacup pug than normal purebred. Therefore is it ok to breed a pug with Chihuahua? The answer will be yes and a no. all of teacup pugs required C sections. This will be helpful for this type of pug is the point that they have a bit longer snout which will lessen the chance of possible breathing complications. This will be a common issue of purebred pugs. Though there are certain benefits of cross breeding pugs, there are frequently more complications involved and this is not suggested that breeders should do so. There is a general term in dog society called ‘designer dogs’.