Grass staggers and Milk fever

Grass staggers / Milk fever

Grass staggers

Grass staggers (or hypomagnesaemia) is caused by magnesium deficiency in cows in late pregnancy and early lactation. Symptons include:

  • nervousness
  • stiff movements and staggers when forced to move quickly
  • lack of appetite
  • and finally, death

Assuming adequate feed intake, pasture magnesium concentration should exceed 0.2% mg for protection against hypomagnesaemia.

Milk fever prevention

Milk fever is a calcium definency. Magnesium is required for the production of hormones that are important for the absorption of calcium.

Herbage magnesium should be above 0.20%.

Southand Serpentine can help you avoid grass staggers in your cows


Serpentine magnesium fertilizer summary

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