Nitrite and nitrate poisoning with special reference to 'grasslands tama' ryegrass.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000209:etiology*; D009566:Nitrates / Q000506:poisoning*; D009573:Nitrites / Q000506:poisoning*; D010939:Plant Poisoning / Q000209:etiology / Q000662:veterinary*; D012756:Sheep; D012757:Sheep Diseases / Q000209:etiology*
D009566:Nitrates; D009573:Nitrites