Quick Answer: What causes a heave line in horses?

Heaves, properly known as Recurrent Airway Obstruction (RAO), is caused by a hypersensitivity to inhaled triggers, usually hay and barn dust, or in the case of travel, fumes and particulates from car and truck exhausts.

Why does my horse have a heave line?

At the end of each exhalation, the horse pushes so hard with its abdominal muscles that with chronic overuse, these muscles enlarge and form a “heave line” that runs diagonally from the point of the hip forward to the lower edge of the ribs. Horses with heaves first show signs when they are around eight years old.

Can heaves be treated?

Is there a treatment for heaves? While there is no cure for heaves, elimination of the allergens from the affected horse’s environment often reduces or even resolves the clinical signs.

How do you test for heaves in horses?

Veterinarians evaluate the severity of the disease based on the presence and types of inflammatory cells in the airway secretions. The examination of fluid samples obtained from the lungs by bronchoalveolar lavage, or BAL, is often the most useful testing procedure for making a diagnosis of heaves.

Will a nebulizer help a horse with heaves?

In a veterinary hospital, the horse may be treated with a nebulizer containing medications such as Mucomyst, a drug that also liquefies mucus.

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What does it mean when a horse keeps coughing?

The most likely causes of a cough in an adult horse are viral respiratory tract infection, pharyngitis, an allergic respiratory disease (RAO or SPAOPD), pneumonia, IAD, and EIPH. With the threat of all of these illnesses, you should always consult your veterinarian if your horse develops a cough.

How much dexamethasone do you give a horse with heaves?

Systemic corticosteroids and aerosolized bronchodilators are the most immediately helpful therapy for a horse in respiratory distress. Intravenous administration of Dexamethasone (. 1 mg/kg) should improve lung function within 2 hours of administration.

What do you feed horses with heaves?

Cubed hay, shredded beet pulp, and mashes made with oat or wheat chaff are alternatives that can replace a portion of the long-fiber hay ration. In addition to nutritional management, several other things can be done to reduce the problem of the disease in affected horses.