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Celebrating 35 years of research-driven solutions

Gro Master, Inc., is proud to announce its 35th year of providing research-driven solutions for hog producers across the United States and around the world. Marvin & Corinne Wastell launched Gro Master in 1982 as a feed formulation company. They had a dream of combining Marvin’s knowledge of swine nutrition and research, and his experience with feeding programs, to help regional manufacturers increase profitability for hog producers. Click to read more.