High level of nitrates have been detected in forages this year in South Dakota and other states. Depending on where you live, it could be due to weather conditions, fertilizer, previous crop, or a combination.
Conditions were significantly different in April, 2018 with 34.85 percent of the state in extreme (D3) and exceptional (D4) drought conditions and just 41.72 percent of the state with no drought conditions.
Grass tetany might be easily defined as a deficiency of magnesium, but for Dick Kurtz of Oregon, Mo., it just means trouble. He lost three cows in March to the disorder and is carefully watching a few more.