Indeterminate nodules are the only type found in Caesalpiniodeae and Mimosoideae and the most common type in Papilionoideae (Sprent, 2001; p. 32). As a result of the variety of ways the plant is infected by rhizobia, there are different types of nodules.
Vitamins are organic compounds that are needed in even smaller quantities than minerals by the horse, although no less critical. Vitamins can be divided into two groups, the fat soluble vitamins A, D, E and K and the water soluble C and B-complex vitamins.
The reason why many horse owners are oblivious to the vitamin and mineral content of the diet is simple â a mild deficiency of any of these minerals or vitamins is difficult to visually see in the horse. For example, a deficiency in calorie content of the diet can easily be seen as weight loss.