1. Corn: Pennsylvania is a major corn-producing state, and corn is a primary feed for many livestock animals, including cattle, pigs, and chickens.
2. Soybeans: Like corn, soybeans are a crucial protein source in animal feed.
3. Alfalfa: This legume is a highly nutritious forage for cattle and other livestock. It's often grown in Pennsylvania.
4. Grass: Pasture grasses like timothy, orchardgrass, and fescue are vital for grazing animals such as cattle, sheep, and goats.
Let me know if you'd like to know more about specific Pennsylvania agriculture practices!