horse foot showing mud foot or pastern dermatitis

animal animals bandage brown chestnut country dermatitis dirt dirty dressing environment environmental equine fall farm fever field flood flooding foot fungus fur gelding grass heavy hoof hooves horse horses landscape mammal mange meadow medical medicate medicine mite mites mud muddy nature parasite parasitic pastern pasture pawing pets photograph playing problem rain ranch rot scene showing skin spring stable summer treatment veterinary water weather wet