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In major U.S. livestock regions, some ranchers have slowly begun taking the first steps to boost cattle production after the nation’s inventory shrank due to a years-long drought that dried up pasture land used for grazing and hiked feeding costs.

A new analysis of 450 genomes from cultivated potatoes and 56 genomes of wild potato species has revealed that the potato lineage originated through natural interbreeding between a wild tomato plant and a potato-like species in South America about 9 million years ago.