Summit, an Australian shepherd, makes a leaping catch of a frisbee at the pet trade fair (Heimtiermesse) at Velodrom on November 2, 2012 in Berlin, Germany. Exhibitors are showing the latest trends in collars, snacks and other accessories for cats, dogs and other household pets. (Photo by Sean Gallup)

Petra Rudolph cuddles with her devon rexe cat named Pepita at the pet trade fair (Heimtiermesse) at Velodrom on November 2, 2012 in Berlin, Germany. (Photo by Sean Gallup)

Tizian, a persian cat, gets a last-minute brushing before judging at a cat competition at the pet trade fair (Heimtiermesse) at Velodrom on November 2, 2012 in Berlin, Germany. (Photo by Sean Gallup)

Petra Rudolph cuddles with her devon rexe cat named Pepita at the pet trade fair (Heimtiermesse) at Velodrom on November 2, 2012 in Berlin, Germany. (Photo by Sean Gallup)

Anny, a kind of dog called a teacup chihuahua, rides in a baby pram pushed by her owner at the pet trade fair (Heimtiermesse) at Velodrom on November 2, 2012 in Berlin, Germany. (Photo by Sean Gallup)

Veterinarian Simone Radicke inspects Luna, a Shih-Tzu who thinks and behaves as if she were pregnant but is not, as owner Annalena Meissner, 13, looks on at the pet trade fair (Heimtiermesse) at Velodrom on November 2, 2012 in Berlin, Germany. (Photo by Sean Gallup)

Hippie, a kind of nearly-hairless dog called a Chinese Crested, stands next to its owner at the pet trade fair (Heimtiermesse) at Velodrom on November 2, 2012 in Berlin, Germany. (Photo by Sean Gallup)

Sarah Heimann arrives with her dog Anny, who is of a breed called called a teacup chihuahua, at the pet trade fair (Heimtiermesse) at Velodrom on November 2, 2012 in Berlin, Germany. (Photo by Sean Gallup)

An exhibitor shows sells dog collars and leashes at the pet trade fair (Heimtiermesse) at Velodrom on November 2, 2012 in Berlin, Germany. (Photo by Sean Gallup)

Tizian, a Persian cat, endures judging at a cat competition at the pet trade fair (Heimtiermesse) at Velodrom on November 2, 2012 in Berlin, Germany. (Photo by Sean Gallup)

Feline competitors and their owners stand before judges at a cat competition at the pet trade fair (Heimtiermesse) at Velodrom on November 2, 2012 in Berlin, Germany. (Photo by Sean Gallup)

Feline competitors and their owners wait to be judged at a cat competition at the pet trade fair (Heimtiermesse) at Velodrom on November 2, 2012 in Berlin, Germany. (Photo by Sean Gallup)