
Dog breeding is the vocation of mating carefully selected specimens of the same breed to reproduce specific, consistently replicable qualities and characteristics.
Litters of puppies and their mother

A special vocabulary has been developed to describe the shapes of various body parts including the ears and tail.
Dogs' ears come in a variety of sizes, shapes, lengths, positions on the head, and amounts and types of droop. Every variation has a term, including:
Catahoula Leopard Dog nursing litter of puppies
Catahoula Leopard Dog nursing litter of puppies