Causes 2
Prolonged studies suggest cattle fed on tissues such as the brain and the spinal cord of animals which were contaminated with the agent, are the cause of its spread to the rest of the herd.
Attribution: Avallain
Prolonged studies suggest cattle fed on tissues such as the brain and the spinal cord of animals which were contaminated with the agent, are the cause of its spread to the rest of the herd.
Attribution: Avallain