Once Rocky reached the hospital, doctors were even less optimistic. Staff had a hard time finding blood to extract and test - pigs are notoriously difficult to get blood from.
They could only speculate he suffered from meningitis and pneumonia. Vets said he had around a 5 percent chance of living.
"We were faced with the hardest decision," Mazzio recalls. "Continue treating an undiagnosed illness or humanely euthanize Rocky.
"We asked Rocky's doctors to try everything they could. We weren't ready to give up yet."
Neither it seemed was Rocky, who got his name from famous fictional boxer Rocky Balboa "for his fighting spirit."