Abstract
Two finishing trials were performed to determine if raw soybeans could be incorporated into diets to partially replace soybean meal and beef tallow. Our data indicated that no sacrifices in animal performance, feed efficiency, and carcass quality will occur if cattle feeders replace soybean meal and tallow with raw dryrolled soybeans. The feeding value of raw soybeans is equal to .8 times the value of 44% CP soybean meal plus .2 times the value of fancy bleachable tallow. Raw soybeans contain the enzyme, urease, which converts urea to ammonia. Therefore, caution should be used in mixing raw soybeans with urea-containing diets.
Highlights
Two finishing trials were performed to determine if raw soybeans could be incorporated into diets to partially replace soybean meal and beef tallow
Our data indicated that no sacrifices in animal performance, feed efficiency, and carcass quality will occur if cattle feeders replace soybean meal and tallow with raw dryrolled soybeans
The feeding value of raw soybeans is equal to .8 times the value of 44% CP soybean meal plus .2 times the value of fancy bleachable tallow
Summary
Studies have indicated that up to 10% raw soybeans can be included in diets for growing cattle and sheep without sacrificing animal performance. Raw soybeans contain about 40% crude protein and 20% oil, two of the more expensive nutrients in finishing cattle diets. If raw soybeans can be added to finishing cattle diets, part of those costs can be redistributed to soybean growers and cattle feeders, thereby increasing their profits. Our objectives were to determine if raw soybeans could be included successfully in finishing cattle diets and to derive the economic feeding value of raw soybeans in the diet. Two feeding trials were performed at the Southwest Research-Extension Center, Garden City, Kansas. Both had similar treatments but differed in basal diet composition and sex of animal fed. Diets were formulated to be equal in nitrogen and fat and included a minimum of 1.0% urea and 2% beef tallow (Table 1)
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