Potassium-40 evalution of performance tested bulls
"Demand for quality beef with a minimum amount of fat is ever increasing. Progressive beef producers have been working toward a leaner beef animal for several years. Industry and research likewise have joined in this goal and have produced instruments which enable the producer to evaluate animals more objectively and accurately. The Whole Body Counter is one of those instruments. It measures the radioactive potassium (40K) present in the live animal. The amount of 40K present is then used to estimate the percent lean and percent fat in the live animal. Potassium (40K) is primarily located in the fat-free portion of the body, especially the muscle."--First page.
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