The dry ice that has become an essential part of the Co-vid-19 vaccine rollout has cheese makers in Wisconsin worried about a shortage for their own use. In a Dec. 9 letter to federal and state officials, the Wisconsin Cheese Makers Assn. "calls on federal and state officials to safeguard a necessary supply of dry ice-350,000 lbs. per week-to ensure the uninterrupted global production of dairy products." Noting that dry ice is used to keep dairy cultures in a super-frozen state to be viable, the association said Wisconsin companies alone need 350,000 lbs. each week. The group also expressed concern for other domestic dairy products and the global dairy industry. "Major manufacturers in Wisconsin - Chr. Hansen, DSM Food Specialties USA and DuPont Nutrition and Health - produce the majority of the world's supply of dairy cultures, a necessary ingredient in the production of cheese, yogurt, and other dairy products."
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