One possible explanation for the outbreak of Summer Eczema is that of a metabolic disorder as a result of food (e.g. grass/silage) with high protein content.  Horse breeds with their origin from more frugal regions are used to profoundly less protein in their diet. In Iceland the ground is significantly richer in minerals, consequently those are found again in grass and hay. 

Thus, the protein-mineral relationship is shifted towards the minerals.  It is conceivable that the feeding of a diet rich in protein results in a gastro intestinal imbalance of the bacterial flora.  The intestines are especially sensitive to physiological and physiological disturbances.

Over 90% of all immune cells are formed in the lymph tissue of the intestine, hence the direct correlation between the immune system and the intestine.  If too much protein is fed the body cannot fully metabolize it.  A connection is seen in the often-elevated liver enzymes from Eczema horses.  The intestine as an organ of elimination is disturbed in its function and as a result the body tries to eliminate through the skin.

Too much protein, not enough minerals, or a zinc deficiency can lead to skin problems. It is advisable to have your horse’s blood analyzed by your veterinarian so she or he can determine if and where a deficit exists.   A well balanced diet is absolutely necessary for our four-legged friends.

The newest scientific research has shown that environmental influences like sun, rain, and parasites take a part in the onset of Summer Eczema