Polioencephalomalacia in calves or sheep can be diagnosed by the favorable response to the intravenous administration of which substance within a few hours?

In a test therapy diagnosis, the primary method of diagnosing a disease is:

Snoring disease is commonly associated with which of the following conditions?

Crepitation of heavy muscles is a snapshot diagnosis indicative of which condition?

Dragging disease in cattle is another term for which condition?