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Energy Value of Barley Fractions¹

University of California, Davis

Abstract

Ground barley was separated according to particle size into two fractions—high fiber (11.3 %) and low fiber (2.5%). Growing pigs fed the low fiber fraction gained weight faster and more efficiently than pigs fed ground barley. The high fiber fraction was not as efficiently utilized as ground barley by pregnant sows or beef bulls, but there was no effect upon reproductive performance of the sows or weight gains of the bulls. It was suggested that under certain conditions, more efficient use of barley could be obtained if the barley were separated according to particle size and the low fiber fraction fed to growing pigs and the high fiber fraction fed to ruminants.

¹ The authors gratefully acknowledge the assistance of Bernell Harlan and Theo Dumars, Woodland, California, who permitted the use of the seed cleaning mill on their farm for separating the ground barley for this research.

² Present address: Department of Animal Science, Cornell University, Ithaca, N. Y.

³ Department of Agricultural Engineering.

⁴ Department of Animal Science.

⁵ Clipper Cleaner, Model Super 29D. A. T. Ferrell and Co., Saginaw, Michigan.