Pet boom in Mexico amid rising middle class

Camila celebrated her first birthday in a blue-and-white striped dress with tulle appliques, playing with her guests in a room decorated with pink balloons, lilacs and Hello Kitty posters.

When the cake arrived she barked at the single flickering candle, provoking a similar reaction from the Chihuahuas, French bulldogs and Pomeranians in the room.

"We've never had a female dog so we wanted to do something special with her," said Valery Palma, a single 35-year-old lawyer who owns Camila.

Over the last decade, the growth of Mexico's middle class has created a new market . . .