A long hedge in the options market is accomplished by purchasing a call option.
Corn is an input into the production of swine.
Placing a hedge can be a simple process. First, knowing your cost of production helps you know when to place a hedge. To place a hedge, you need to contact a broker with whom you place an order. The broker can be helpful in informing you on how to appropriately place and exit your hedging position. The broker has a stake, i.e., commission, in making sure your experience with hedging is a good one.