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Prevention and Treatment: Grass Tetany

Last Updated: January 31, 2011

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Fact Sheet Written by:

Cody Wright, PhD, Extension Beef Specialist

Eric Mousel, PhD, Extension Range Livestock Production Specialist

Russ Daly, DVM, Extension Veterinarian

And Provided by:

South Dakota State University http://agbiopubs.sdstate.edu


Lush, green, rapidly growing grasses present a considerable risk for grass tetany, regardless of season. The combination of high potassium and low magnesium and calcium in these forages is thought to be the primary cause of grass tetany. Because of the increased forage production and growth rate, cattle grazing fertilized pastures are generally at higher risk.

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Grass Tetany

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