SOWS require significantly different nutrients in gestation and lactation, and depending upon the production stage, consumption per sow varies from 4 lb. per day to more than 20 lb. per day.
With that in mind, when should additional nutrients be fed, and through which feed ingredients? Dr. Brenda de Rodas, director of swine research at the Purina Animal Nutrition Center, said ration formulation for sows should be based on the sow's current body co
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