Everything Horse magazine Magazine, October 2014 | Page 29

DIGESTION AND FEEDING SPECIAL WITH EQUIMINS Image credit MichellePhotography UK This article has been brought to you by Equimins Horse Products. To view the full range of natural supplements and products please visit www.equimins.com particularly the case when horses are stabled over winter. It takes the average horse 8 hours to eat 12kg of hay. They would consume a 1.5 kg ration of hard food in 15 minutes. • The stomach has two areas. The ph of the frontal zone is kept higher by the saliva, and allows bacterial fermentation to begin. They are mainly lacto bacteria that breakdown any sugars or starch in the feed. The horses digestive system is not designed to process cereals, they do not deal well with starch, and it is a real problem for them. The greater the starch content of the feed, the greater the problems. The starch content of hay is 1-3%. The starch content of bagged feeds is typically 15-20% for leisure mixes and up to 40% for competition mixes. Check out the bags in store for yourself, but here’s an example. A well known company recommend that an average horse eats 3 kg of their popular Cool Mix per day. That equates to 600g a day of starch, which = 18 kg of pure starch per month. The starch is broken down by the bacteria, producing volatile fatty acids (VFA). The VFA’s are absorbed by cells lining October 2014 • Issue 13 • Everything Horse UK Magazine the front part of the stomach, which can then swell, die and finally ulcerate. From the front portion of the stomach, the food moves to the rear area, which is very acidic and it is further broken down in preparation for entering the small intestine. • The small intestine is where digestion and absorption really begins. To do so effectively, the acidity of the food entering it has to be neutralised to allow the good bacteria to thrive. Because a horse is adapted to trickle feeding over many hours, it has evolved without a 29