Is vitamin A toxicity common in horses?
Vitamin A toxicity, or hypervitaminosis A, results from excessive vitamin A intake, typically around 150,000 µg daily over several months. Unlike water-soluble vitamins, surplus vitamin A is stored in the liver, potentially reaching toxic levels. Symptoms include nausea, hair changes, skin issues, bone pain, fatigue, blurred vision, and, in infants, growth failure and irritability. Reducing […]