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VIDEO: How to check your feed mixer’s efficiency

This simple tool offers an easy way to check how your TMR mixer is performing

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Published: July 22, 2025

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Dwayne Summach, livestock and feed extension specialist with the Saskatchewan Ministry of Agriculture, demonstrates how to use the Penn State Particle Size Separator at Ag in Motion 2025.

For the visitors who lined up to watch the total mixed ration feed mixer demonstrations at Ag in Motion 2025, the machinery on display was the star attraction.

But a much smaller tool — three boxed stacked on top of each other, to be exact — was also featured at these demonstrations at the farm show near Langham, Sask., and it’s key to knowing if a feed mixer is performing well.

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As host of the feed mixer demos, Dwayne Summach, livestock and feed extension specialist with Saskatchewan Agriculture, introduced the audience to the Penn State Particle Size Separator. This handy device can be used to easily evaluate samples from your feed mixer to check its efficiency.

About the author

Piper Whelan

Piper Whelan

Editor

Piper Whelan grew up on her family’s purebred cow-calf operation in southern Alberta. She holds degrees from the University of Alberta and the University of King’s College School of Journalism. A journalist for more than a decade, her work has appeared in publications across Canada, and she was previously the field editor of Canadian Cattlemen.

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