Nasco’s Three-Sieve Forage Particle Separator
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To use Nasco’s Forage Particle Separator, simply stack the four plastic separator boxes on top of each other. Next, place about three dry pints or 8 cups of forage in the top box. Shake the separator five times and then rotate the unit a quarter turn. Shake and rotate a total of eight times, then weigh the material remaining on each of the three screens and the bottom pan. Percentages of different particle lengths can then be calculated, and long forage can be added as needed to meet dietary requirements. The 0.16" (4 mm) sieve enables more accurate estimation of physically effective fiber by adding the amount on the top three sieves (0.75", 0.31", and 0.16" sieves).
Includes four forage boxes - one each with 0.75" (19 mm or 3/4") holes, 0.31" (8 mm or 5/16") holes, 0.16" (4 mm or 5/32") holes, and a solid bottom - and complete instructions for use.
Developed by Penn State.