What are the common causes of cat hair loss on the neck and how can it be treated effectively?

Common causes of cat hair loss on the neck include Allergies, parasites, skin infections, and hormonal imbalances. Treatment may involve addressing the underlying cause, such as using flea prevention, treating skin infections with medication, or adjusting the cat's diet. Consulting a veterinarian for a proper diagnosis and treatment plan is recommended for effective management of cat hair loss on the neck.