Governor Vilsack signed a bill Thursday creating an exception in Iowa’s law prohibiting the corporate ownership of livestock and farmland. The move will allow a northwest Iowa business to raise cows to produce an animal by-product that may one day account for one-quarter of the world’s blood supply for humans. Jan Schuiteman is co-owner of the Transova Genetics company of Sioux Center. He says the company’s product will solve a He says the company can now move forward with a major expansion in which they’ll add 50 to 60 people in the production plant and 30 or 40 more in their purification plant. Critics of the bill said it would harm family farmers. Representative Dwayne Alons of Hull is a northwest Iowa farmer who backs the project. Alons says it’s not traditional farming, it’s a value-added venture that will help the state.