NAF Easy Breathing Liquid & PowderRespiratory stress is a common fact of life for the modern horse. Stabling, forage and indoor schools can all harbour dust and fungal spores which accumulate in and irritate the sensitive lining of the lungs and respiratory tract. In the wild, horses had free access to a wide range of herbs, shrubs and trees that they could self select to meet their requirements. With the limited species variation in modern pasture, this is no longer possible. Easy