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Friday, January 30, 2009

The Shaker Box is a useful tool for measuring particle size.

The Penn State particle separator, commonly called "the shaker box," is a very useful tool for conducting nutritional analysis on dairy farms. The particle separator is a "square box" made up of two or three sieves having different sized holes at each level superimposed on a bottom pan.

Shaker box testing provides a simple way to evaluate particle size of wet forages and total mixed rations (TMR). A sample of 400 grams of feed is placed in the top sieve and the separator is shaken according to the user's manual.

Feed particles retained on each level are then weighed. The proportion of feed particles retained on the top two sieves is considered a good estimate of the proportion of physically effective particles that are long enough to cause rumination in the cow.

Source: January 2009 issue of MilkPRODUCER magazine published monthly by Dairy Farmers of Ontario. Page 30


Anonymous said...

Where do I buy a Penn State Shaker Box?

Patz Marketing said...

Thank you for your inquiry. You can purchase a Penn State Shaker Box from NASCO. Orders can be placed online, by phone, fax, or mail.

Here is their contact information:

Phone: USA/Canada @ 1-800-558-9595
All other international inquiries @ 1-920-563-2446 and ask for the International Sales Department.
Fax: 1-800-372-1236

Mailing Addresses:

Nasco - Fort Atkinson
901 Janesville Avenue
P.O. Box 901
Fort Atkinson, WI 53538-0901

Nasco - Modesto
4825 Stoddard Road
PO Box 3837
Modesto, California 95352-3837

Thank you!
Patz Marketing

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