Pet Pedigrees

Pets have a pedigree. The higher the pedigree, the better the pet. The pedigrees are: Using an incubator to hatch an egg will raise the pedigree of the pet one level. When breeding pets, the new pet will have the lower of its parents' pedigrees.
 * 1) Purebred
 * 2) Perfect
 * 3) Prime
 * 4) Good
 * 5) Decent
 * 6) Fair
 * 7) Scraggy
 * 8) Mutt