• Blue ears (blue at the earlobes)
• Pigs feed less for 2-3 days and then stop feeding.
• Pigs have a rhinorrhea (runny nose), difficulty breathing, and some coughing (for piglets).
• Red bruises on the body, diarrhea, in severe cases have bloody diarrhea
• If we inject antibiotics, the pigs will feed, but when stop injecting them, they will stop feeding.
Figure: Symptoms of Blue ear disease