One unspayed female dog, her mate and their puppies can produce 67,000 puppies in six years.

One unspayed female dog, her mate and their puppies can produce 67,000

More from the Animal Facts niche...

Animal Facts

There are nearly 14,000 animal shelters and rescue groups across North

Animal Facts

Black cats as Halloween symbols is rooted in ancient tradition

Animal Facts

Ancient Egyptians first adored cats for their finesse in killing

Animal Facts

Smaller breeds of dogs mature faster than larger breeds

Animal Facts

Highly trainable dog breeds like Golden Retrievers, Labrador Retrievers,

Animal Facts

Female dogs carry puppies for about nine weeks before birth