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Grass tetany results from low magnesium levels in the blood serum of cattle. It is most common among lactating cows grazing on early spring grasses in cool weather. Cattle grazing forages low in available magnesium are the most susceptible to grass tetany. While the earliest growth pastures are potential high risk, the highest risk of having clinical signs seems to be five to 10 days after a period of cold, wet weather.
While there is no conclusive evidence as to the exact cause of grass tetany, it appears to be a deficiency of magnesium. However, that has not been verified by testing the grass consumed
by cattle. The most agreed upon cause seems to be the improper utilization of the available magnesium. One of the problems in combating grass tetany is that most sources of supplemental magnesium are unpalatable.
To limit grass tetany issues it is recommended that producers offer a palatable mineral supplement that contains a high level of magnesium during high risk periods. magnesium.
CRYSTALYX® has several highly palatable products that can bring the mineral deficiency back in balance and help prevent the onset of grass tetany. Ask your dealer for CRYSTALYX® SuperMAG™, Rolyx® Fescue-Mag, Hi-Mag Tasco-lyx™ or Hi-Mag Fescue-lyx™ Supplements.
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