In this July 28, 2014 photo, a herd of Florida cracker cows and donkeys graze on a ranch on Immokalee, Fla.
In this July 28, 2014 photo, a herd of Florida cracker cows and donkeys graze on a ranch on Immokalee, Fla. Jason Dearen AP
In this July 28, 2014 photo, a herd of Florida cracker cows and donkeys graze on a ranch on Immokalee, Fla. Jason Dearen AP

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