In the right rations, various grains provide essential nutrients to the animals on farm

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Oats-Oats are fed as a whole grain with the hulls on. Naked oats—oats that have hulls that will fall off during harvest—are difficult to find, and oat groats—oats with the hulls removed—are expensive as an animal feed.Oats are high in fiber and low in energy, particularly because of the bulkiness of the fibrous hulls. The higher fiber content replaces some of the forage needs for the animals getting an oat ration. The Ohio State University Extension suggests starting weaned calves on oats so they become used to grain consumption with this lower-energy, higher-bulk feed. Because of their bulk, animals won’t gain weight at finishing time by eating oats like they will by eating higher-energy grains, so limit oats as processing time approaches.

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Soybean Meal-You’ll find soybean meal on many preformulated-feed tags. This is the high-protein fiber leftover after making soybean oil, which is then toasted, explains the North Carolina Soybean Producers Association.At 38-percent protein, soybeans are often used as a primary protein source in animal rations. Protein is vital to an animal’s diet because it is the basic structure used to make all cells and tissues, including muscle, skin, organs and milk. Whole beans have high fat content, which is why they are ideal for producing oil, but this is removed during oil production. Unprocessed soybeans contain a protein-digestion inhibitor and should not be fed to young animals or monogastrics, such as horses and pigs. According to the USDA ERS, 94 percent of soybeans grown in the U.S. in 2014 were genetically modified, so if this is a concern to you, seek out non-GM or organic soybean meal.

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Barley- Barley is fed whole or broken down by grinding or rolling. It’s a good energy source because it’s high in starch, but according to the OSU Extension, only 60 percent of the starch in whole barley is utilized by an animal. It’s also high in protein compared to other grains, particularly when it’s grown in nitrogen-rich soil.Barley can be further processed and pelleted, or it can be harvested in a high-moisture stage and fed as ensiled barley. The toxic mold called vomitoxin, aka deoxynivalenol (DON), can affect scab-infected barley and cause illness in pigs, though fortunately the NDSU reports DON doesn’t appear to affect cattle.Depending on where you live or what you grow on your farm, there might be other grains that are more accessible and appropriate for your animals. Colorado State University Extension has an extensive chart of feedstuffs and their nutrient values for reference. Work with your veterinarian or nutritionist to formulate the best balanced ration for your animals.