A man carries his dog after it was sterilized in Bonfil November 5, 2012. Veterinarians sterilized about 1500 mostly stray dogs and cats over five days in Cancun, Isla Mujeres and Bonfil. Mexico has an estimated population of 23 million dogs and cats, and their potential to spread rabies and other diseases is considered a public health problem. REUTERS/Victor Ruiz Garcia (MEXICO - Tags: ANIMALS SOCIETY)
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