In cattle country, the lush green grasses emerging are generally known to be low in magnesium. Producers need to be reminded to watch for symptoms of grass tetany as forage grasses flourish.
Symptoms of grass tetany often include going off feed, nervousness, muscle spasms, convulsions, irritability, and aggressiveness. Severe cases may result in a comatose state or death.”
Source: Hay and Forage Grower, March 7, 2023. Link.