Research from the University of Illinois is helping to determine the quality of protein in wheat middlings and red dog -- two co-products of the wheat milling process that can be included in diets fed to pigs and other livestock.
Red dog consists mainly of the aleurone layer that lies between the bran and the endosperm, along with small particles of bran, germ and flour. Wheat middlings are granular particles of the wheat endosperm, bran and germ that contain about three times as much
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