The thyroid gland is part of the endocrine system and consists of two lobes located on the front of a horse’s neck. This gland produces hormones that regulate the body’s metabolism and affect most of the body’s tissues. When functioning normally, the thyroid is not visible, but certain diseases

Horses are highly susceptible to a wide variety of respiratory conditions. These can be bacterial, viral or mechanical in nature, or they may be caused by allergies. Some are temporary; others are chronic. Some are serious while others are less serious. Upper airway problems are usually mechanical while

Metabolism in horses — and in other animals — refers to all the body’s complicated processes that break down food, drink and drugs to provide nutrients and energy for living. Anabolic reactions generally happen soon after eating, to build structural parts of the body, such as muscles. Catabolic

Immunodeficiency disorders in horses are rare conditions that prevent the immune system from protecting the horse against viral, bacterial or other types of infections. These disorders can affect different parts of the horse’s immune system. They may be present at birth or develop later on in the horse’s

Horses are rarely prone to kidney or liver problems. Damage to both organs is much less common in horses than it is in cats or dogs. However, some aging horses do suffer from progressive and irreversible diseases of the liver or kidneys. Unfortunately, problems with these organs are seldom diagnosed