If the answer is so simple, why do feeding schemes rely on this substitute food source?
Soya is a legume from the pea family, produced by commercial farmers at scale. During the last 50 years, global soya production has grown tenfold from 27 to 280 million tons. Production will continue growing at 5-6% per annum in the next decade. Soya serves a wide range of global industries including; animal feed, aquafeed, biofuel, food and beverages, personal care, dietary supplements, pharmaceuticals, lubricants, coatings, paints, industrial solvents, adhesives, hydraulic fluids, building materials, and others.
Read more on Industry ARC: Soybean Market Report