EXTRA CREDIT: A 6-year-old Beagle is brought to the clinic f…

EXTRA CREDIT: A 6-year-old Beagle is brought to the clinic for an exam. During patient history, the client explains that approximately two months prior, the patient was hit by a car and suffered a head injury and a broken radius and ulna. He was taken to the emergency clinic at the time. The dog seemed to have healed well but has since had polyuria, polydipsia, and is extremely dehydrated. A urinalysis shows an SG of 1.006. All other values are normal. The production of which pituitary hormone has likely been affected? What is the name of this condition? (2 POINTS)