Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Histopathologic changes observed in tissues of pigs. (A), the neuron vacuolization (marked with arrow) in the cerebrum tissues of one pig which showed flaccid paralysis of the hind limbs; (B), the fracture of pulmonary bubbles (marked with arrow) in the pig which only showed pyrexia.
