Labrador Retrievers (Yellow Labs, Black Labs, Brown/Chocolate Labs)
the welsh springer spaniel is the most uncommon breed in the us
can a dog breed with 1 of its own puppy's
There is not a specific dog breed that is smarter than any other dog breed in the world than there is in the USA, but the smartest dog breed are poodles.
The US.
We can't answer your question, because you do not give us a breed of dog. Please restate your question
grey hound
grey hound
bulldog
500,000 to 1,000,000
A female dog must at least 1 years old to breed.
yorkie
Labrador Retriever