An outbreak of nitrite poisoning in sows.
D000818:Animals; D005260:Female; D009573:Nitrites / Q000032:analysis / Q000506:poisoning*; D013552:Swine; D013553:Swine Diseases / Q000139:chemically induced* / Q000401:mortality; D014867:Water / Q000032:analysis
D009573:Nitrites; D014867:Water