Lush green grass is a welcome sign of spring. Cows in otherwise good condition and health are sometimes found demonstrating unusual behaviors, unsteady gait or inability to rise. These are early signs of grass tetany and milk fever, says Paul Beck. He describes the magnesium and calcium shortages that bring about these diseases. They are hard to differentiate, and are difficult to treat in a timely manner, but prevention is key for both.
Source: Drovers, March 23, 2021. Link.