LOS ANGELES (CBS) — If you’re one of millions of dog owners in the Los Angeles area, be sure to keep an eye on your beloved four-legged friend.

READ MORE: Comedian Louie Anderson Dies At 68 After Battle With Cancer

Dog thefts are up 32 percent this year, according to the American Kennel Club.

Stolen dogs are almost always resold, and are often used in laboratories or dog fights.

READ MORE: Malibu's Leo Carrillo State Park Partially Reopens This Weekend; Pacific Coast Highway Down To 1 Lane In Ventura County To Repair Surf Erosion

Pit bulls and other large breeds are stolen the most frequently. Purebreds are also at risk because thieves think they can get a lot of money for them.

However, without paperwork, purebreds are usually no more valuable than mixed breeds.

MORE NEWS: Meat Loaf, Entertainer Known For 'I'd Do Anything For Love,' Countless Other Hits, Dies At 74

The AKC database of registered dogs show 224 pets have been stolen this year, compared to 255 for all of 2010.