Chihuahua

The Chihuahua's tiny body and wide eyes are adorable. Chihuahuas are loyal and low-energy. Patellar and cardiac problems are common.

Maltese

The Maltese is an ancient Mediterranean breed that may be related to the Bichon Frise. Older breeds and those combined with smaller dogs live longer.

Pomeranian

The Pomeranian is the smallest member of the Spitz family and has a large-dog attitude like its forebears. Despite being little, Pomeranians do well with indoor games and daily walks. 16-year-old

Yorkshire Terrier

Yorkies are fearless, inquisitive, and enthusiastic. Yorkies are small and sensitive, and prone to patellar luxation and Legg-Calve-Perthes disease.

Shetland Sheepdog

The Shetland Sheepdog is a medium-sized working breed with Collie genetics. Werber said larger dog breeds live a year or two less.

Papillon

Papillons are intelligent and obedient. The 15-year-old Papillon has dental and patellar concerns. Good oral health contributes to your dog's long, happy life.

Lhasa Apso

Lhasa Apsos are petite, independent dogs. Lhasa Apsos are independent but loyal. 12-14-year-old canines with patellar luxation and retinal atrophy.

Shih Tzu

Chinese royalty kept Shih Tzus as pets for generations. Shih Tzus are energetic, alert, and pleasant house pets that need only short daily walks.

Beagle

The Beagle, a calm and loving breed used as a hunting dog since the 1500s, can live to at least 13 with a healthy lifestyle, according to Werber.

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