What contaminants can be present in the grain?
Deer and mouse excrement are the biggest concern. Manure and urine found in the swath results in fouled grain and contaminated straw. The smell from the urine, or fecal contamination can result in feed refusal. Cleaning or screening out the manure, or diluting down the spring threshed grain with other grains may be necessary to improve intake. Salmonella contamination may also be present. If young calves are offered spring threshed grain that contains salmonella, digestive upset and scours may occur. If in doubt, feed this grain to older or mature animals.
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