Suggested Websites

The American Association of Equine Practitioner (information for horse owners):  https://aaep.org/horse-owners

The Horse (general health articles):  http://www.thehorse.com/

University of Florida (article about creeping indigo): 
http://largeanimal.vethospitals.ufl.edu/hospital-services/internal-medicine/creeping-indigo-toxicity/