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Jessica Petersen Associate Professor of Animal Science, center, gestures while talking with grad students Mackenzie Batt, left, and Lauren Seier about beef cattle in the animal science arena on East Campus. All are part of a five-person Husker team whose research can expand the range of genetic tools used by breeders to boost cattle growth efficiency. An increase in feed efficiency of just 1% would save the U.S. cattle sector more than $11 million a year. September 15, 2023. Photo by Craig Chandler / University Communication.