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Method of Determining and Expressing Fineness of Feed Materials by Sieving  Public Access

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

ASAE  ANSI/ASAE S319.5   August  2023

Keywords: , Feed, Particle size, Sieving.

1 Purpose and scope

1.1  The purpose of this Standard is to define a test procedure to determine the fineness of feed ingredients and to define a method of expressing the particle size of the material. Surface area and number of particles per unit mass can be calculated from the determined particle size.

1.2  This Standard should be used to determine the fineness of feed ingredients where the reduction process yields particles which are primarily spherical or cubical the approximate ratio of major to minor axes is approximately 1.0. It is not adequate to define the particle size of materials such as steamed and rolled grains, which are a flaked product, or products such as chopped hay and fibrous biomass where a substantial fraction consists of elongated particles.

1.3  This Standard is compatible with ISO 565, ISO 2395, ISO 2591-1, ISO 3310-1, and ISO 9276-1.

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