University of Arizona professor Donald Lightner runs the university's shrimp pathology center, studying little-known diseases to help shrimp farmers globally and help ensure the quality of the $4 billion worth of shrimp imported to the U.S. every year. Zoonosis isn't a major concern with shrimp, but Lightner and his team study husbandry practices and shrimp diseases such as the bacterial early mortality syndrome, which is negatively affecting Southeast Asian shrimp farmers. Lightner says discovering something new is the highlight of his work.

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