Cattle, sheep, goat, and other ruminants that are diagnosed with PEM or pre-PEM suffer opisthotonus, cortical blindness, disoriented movement, and eventually fatality, if left untreated. Current data shows that the onset of PEM can range from birth to late adulthood.
In cases of PEM or pre-PEM in livestock, such as cattle, sheep, goats, and other ruminants, symptoms include opisthotonus, cortical blindness, disoriented movement, and potentially death if left untreated. Research indicates that the onset of PEM can occur at any age, from birth to late adulthood.