Possible Causes of Swollen Flanks in a Mounted Horse:
* Girth Soreness: If the girth is too tight, it can restrict blood flow and cause swelling in the flanks.
* Muscle Strain: An inexperienced rider or a horse that's not used to being ridden can strain muscles in the flanks, leading to swelling.
* Underlying Medical Condition: Swollen flanks can be a symptom of a variety of medical conditions, including:
* Colic: A painful condition that affects the digestive system.
* Pleuropneumonia: An infection of the lungs and chest cavity.
* Heart Failure: A condition that weakens the heart's ability to pump blood effectively.
* Parasites: Some parasites can cause swelling in the abdomen.
* Fluid Accumulation: Horses can develop fluid accumulation in the abdomen (ascites) for various reasons, including liver disease or kidney failure.
What to Do:
1. Check the Girth: Make sure the girth is properly adjusted and not too tight.
2. Observe the Horse: Look for other signs of discomfort or illness, such as lethargy, loss of appetite, or difficulty breathing.
3. Consult a Veterinarian: If you're concerned about the swelling, contact your veterinarian. They can help determine the cause and recommend appropriate treatment.
Important Note: Swollen flanks can be a serious symptom, so it's crucial to seek veterinary attention if you notice this in your horse.