Grass tetany.
D000824:Animal Nutritional Physiological Phenomena; D000818:Animals; D002417:Cattle; D002418:Cattle Diseases; D005260:Female; D005308:Fertilizers; D008275:Magnesium Deficiency / Q000662:veterinary; D006109:Poaceae; D012621:Seasons; D013746:Tetany / Q000662:veterinary*
D005308:Fertilizers