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Common Equine Diseases
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Rain Scald (Dermatophilosis)
Symptoms: Scabby lesions on the skin, matting of the coat, hair loss. Possible Treatments: Antibacterial shampoos, keeping the skin dry, removing scabs gently. Preventive Measures: Providing shelter from rain, ensuring good hygiene, regular grooming.
Equine Metabolic Syndrome (EMS)
Symptoms: Obesity, abnormal fat deposits, insulin resistance, history of laminitis. Possible Treatments: Dietary changes, exercise, medications to improve insulin sensitivity. Preventive Measures: Monitoring body condition, feeding low non-structural carbohydrate diets, regular exercise.
Glanders
Symptoms: Nasal discharge, ulceration, nodules in lungs, fever. Possible Treatments: Euthanasia is often the chosen option due to public health risk; historically antibiotics like sulfonamides. Preventive Measures: Biosecurity measures, testing and culling, quarantine protocols.
Laminitis
Symptoms: Lameness, heat in the hooves, increased digital pulse. Possible Treatments: Cryotherapy, anti-inflammatory medications, corrective shoeing. Preventive Measures: Proper diet, avoid excessive weight, regular hoof care.
Colic
Symptoms: Abdominal pain, restlessness, sweating, refusal to eat. Possible Treatments: Fluid therapy, pain relief medications, surgery in severe cases. Preventive Measures: Regular deworming, consistent feeding schedule, access to clean water.
Equine Infectious Anemia (EIA)
Symptoms: Fever, anemia, edema, weight loss. Possible Treatments: No cure but supportive care, monitoring, and controlling disease spread. Preventive Measures: Coggins testing, fly control, not sharing needles.
Potomac Horse Fever
Symptoms: Fever, diarrhea, lethargy, laminitis. Possible Treatments: Tetracycline antibiotics, intravenous fluids, anti-inflammatory medications. Preventive Measures: Vaccination, reducing snail and insect habitat, nighttime lighting to detract insects.
Heaves (Recurrent Airway Obstruction)
Symptoms: Coughing, labored breathing, nasal discharge, exercise intolerance. Possible Treatments: Corticosteroids, bronchodilators, environmental management. Preventive Measures: Dust-free environment, soaking hay, proper ventilation.
Wobbler Syndrome
Symptoms: Incoordination, stumbling, neck stiffness, difficulty with rising. Possible Treatments: Anti-inflammatory drugs, surgical intervention, physical rehabilitation. Preventive Measures: Appropriate nutrition for growth, avoiding rapid weight gain, regular veterinary check-ups.
West Nile Virus
Symptoms: Fever, muscle weakness, stumbling, convulsions. Possible Treatments: Supportive care, anti-inflammatory medications, intravenous fluids. Preventive Measures: Vaccination, mosquito control, eliminating standing water.
Thrush
Symptoms: Foul-smelling discharge, blackened or crumbly hoof tissue, lameness if severe. Possible Treatments: Cleaning affected hooves, topical antiseptic treatments, proper hoof care. Preventive Measures: Regular hoof cleaning, dry and clean stall maintenance, proper stable management.
Equine Piroplasmosis
Symptoms: Fever, anemia, jaundice, swollen abdomen. Possible Treatments: Antiprotozoal agents, supportive care including blood transfusions. Preventive Measures: Tick control, using sterile equipment, quarantine of imported horses.
Strangles
Symptoms: Fever, swollen lymph nodes, nasal discharge, abscess formation. Possible Treatments: Antibiotics, hot compresses, draining abscesses. Preventive Measures: Vaccination, isolation of sick horses, disinfection of contaminated equipment.
Grease Heel (Scratches)
Symptoms: Crusty scabs on the back of the pasterns, swelling, lameness. Possible Treatments: Antiseptic washes, antibiotic creams, keeping the area clean and dry. Preventive Measures: Grooming to remove mud, maintaining dry turnout areas, avoiding excessive moisture.
Tetanus (Lockjaw)
Symptoms: Muscle stiffness, difficulty eating, exaggerated response to stimuli, paralysis. Possible Treatments: Tetanus antitoxin, antibiotics, muscle relaxants. Preventive Measures: Regular vaccination, wound care, keeping the environment clean.
Cushing's Disease (Pituitary Pars Intermedia Dysfunction)
Symptoms: Long, curly coat that fails to shed, increased thirst, laminitis, susceptibility to infections. Possible Treatments: Medication like pergolide, supportive care for associated conditions. Preventive Measures: Regular veterinary monitoring, diet management, watching for early signs.
Equine Polysaccharide Storage Myopathy (PSSM)
Symptoms: Muscle stiffness, pain, reluctance to move, dark urine. Possible Treatments: Diet low in sugars and starches, gradual exercise program, muscle relaxants. Preventive Measures: Genetic testing, managed grazing, high-fat low-carbohydrate diets.
Chronic Progressive Lymphedema
Symptoms: Progressive swelling of the lower legs, skin folds, fibrosis, ulcerations. Possible Treatments: Compression bandaging, physiotherapy, skin care management. Preventive Measures: Regular leg grooming, weight management, early treatment of skin infections.
Sweet Itch (Summer Eczema)
Symptoms: Itching, hair loss, skin thickening, crusty sores. Possible Treatments: Insect repellents, corticosteroids, antihistamines. Preventive Measures: Use of fly sheets, avoiding exposure during peak insect activity, regular use of repellents.
Rhodococcosis
Symptoms: Coughing, rapid breathing, weight loss, lethargy. Possible Treatments: Macrolide antibiotics, supportive respiratory therapy, good nutrition. Preventive Measures: Good sanitation of foaling areas, minimizing dust exposure, isolating affected individuals.
Gastric Ulcers
Symptoms: Poor appetite, weight loss, poor performance, signs of abdominal discomfort. Possible Treatments: Proton pump inhibitors, H2 blockers, diet changes. Preventive Measures: Frequent small meals, reducing stress, allowing grazing.
Squamous Cell Carcinoma
Symptoms: Nodular or ulcerated skin lesions, often near mucous membranes, can metastasize. Possible Treatments: Surgical excision, radiation therapy, chemotherapy. Preventive Measures: Sun protection, especially for areas with unpigmented skin, regular veterinary skin examinations.
Equine Influenza
Symptoms: Coughing, nasal discharge, fever, lethargy. Possible Treatments: Rest, supportive care, non-steroidal anti-inflammatory drugs. Preventive Measures: Vaccination, quarantine new arrivals, good hygiene practices.
Pigeon Fever
Symptoms: Abscesses in the pectoral region, swelling, fever, lameness. Possible Treatments: Draining abscesses, poulticing, antibiotics in systemic cases. Preventive Measures: Good fly control, wound care, environmental hygiene.
Melanoma
Symptoms: Black or dark-colored skin masses, growths may ulcerate, possible interference with bodily functions if in vital areas. Possible Treatments: Surgical removal, cryotherapy, immunotherapy. Preventive Measures: Regular health check-ups, monitoring changes in skin condition, sun protection for lighter-skinned areas.
White Line Disease
Symptoms: Separation of the inner hoof wall, hoof wall fragments, potential lameness. Possible Treatments: Debridement of affected hoof tissue, topical antifungal agents, hoof protectants. Preventive Measures: Regular hoof care, moisture control, proper nutrition.
Equine Motor Neuron Disease (EMND)
Symptoms: Muscle wasting, trembling, difficulty standing, change in posture. Possible Treatments: Vitamin E supplementation, supportive care, dietary management. Preventive Measures: Adequate vitamin E in diet, antioxidant supplementation for at-risk horses, regular veterinary check-ups.
Equine Protozoal Myeloencephalitis (EPM)
Symptoms: Incoordination, muscle atrophy, lameness, paralysis. Possible Treatments: Antiprotozoal medications, anti-inflammatory drugs, supportive care. Preventive Measures: Rodent control, prevent exposure to opossum feces, maintain clean feed and water sources.
Equine Herpesvirus
Symptoms: Respiratory disease, neurological disorders, abortion in pregnant mares. Possible Treatments: Supportive care, antiviral medications, isolation of infected animals. Preventive Measures: Vaccination, isolation of affected horses, biosecurity measures.
Rabies
Symptoms: Behavior changes, difficulty swallowing, excess salivation, paralysis. Possible Treatments: No treatment once symptoms appear; euthanasia often recommended. Preventive Measures: Yearly vaccination, avoiding contact with wild animals, reporting stray or wild animals.
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