Rarely cases present with [[Nervous and Special Senses - Anatomy & Physiology#Central Nervous System (CNS)|Central Nervous System]] signs and include incoordination, aggression, excesssive licking and chewing and occassionally bellowing. | Rarely cases present with [[Nervous and Special Senses - Anatomy & Physiology#Central Nervous System (CNS)|Central Nervous System]] signs and include incoordination, aggression, excesssive licking and chewing and occassionally bellowing. |