In breeding circles, a male canine is referred to as a dog, while a female canine is called a bitch. The father of a litter is called the sire, and the mother of a litter is called the dam. Offspring are generally called pups or puppies until they are about a financial year old. A assembly of offspring is a litter. The mechanism of nascency is whelping. Many terms are used for dogs that are not purebred.
In the United Kingdom, The Kennel Club reports that the most-registered breed from at least 1999 to 2005 was the Labrador Retriever. It escorting out the top three for 1999 to 2005 with the German Shepherd Dog, also popular in the US, and the English Cocker Spaniel , which is no preponderant in the crowning ten in the US. In the UK, a national dog adoption and rescue service indicates that the most Dog Supplies common breed appearing in shelters is the Greyhound followed by the Staffordshire Bull Terrier.