many generic supplements claim to improve overall health...similar i believe to us taking a multi vitamin and mineral supplement. As humans though, we can work out how much of each we need and then ensure we have the right amounts in our diets...i have found the following with what horses should be consuming -
http://www.animaltraceminerals.net/Article3%20Horse%20Feeding%20tab...
Does anyone have any ideas of how we can test/work out wether our horses are getting what they 'need' or do we have to wait for something to be clearly defficient?