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.

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

READ MORE: Woman Shot, Critically Wounded By Long Beach School Security Officer Near Millikan High

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

READ MORE: Student Fights Off Suspect In Violent Overnight Attack Near Chapman University Dorm: 'I Chased Him Back Up The Stairs, Cursing Him Out'

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: Greater-Alarm Fire Collapses Commercial Building In Boyle Heights

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