Fiber in Horse Feeds

In our previous post, we learned what fiber is and how a horse digests it,and we also learned that a horse consuming 1-1.5% of it’s bodyweight in quality roughage will satisfy its daily fiber requirements. In today’s blog we will review everything you need to know about fiber in horse feed.

horse feed being dumped in to bucket representing fiber in horse feedConsidering the Impact of Fiber In Horse Feed on Digestion

When it comes to any grain sources that may be added to your horse’s diet, fiber plays a much smaller role since the amount of fiber that is added by grains is relatively little, but the effect and digestive process is similar.

Managing Grain Portion and Avoiding Digestive Issues

When feeding the grain portion of the diet, ensure that your horse is not receiving high quantities of grain meals all at once – typically no more than 5-6 pounds of grain per meal at most. Because grains tend to be higher in starch than roughage, feeding too much at once can overwhelm the small size and quick rate of passage of food through the stomach and small intestine, and allow starches to pass undigested to the hindgut. Digestion of starches in the hindgut releases lactic acids that are toxic to the fiber-digesting microorganisms, which can result in a gas colic episode or laminitis.

Understanding Energy Content in Equine Rations

Generally speaking, when you look at a the tag from a basic equine ration, the higher the crude fiber level listed, the lower the energy content of the feed.  Of course, there are other factors that must be looked at, such as the fat level, and also possibly the sources of fiber.

Beet Pulp and Other Options for Increased Fiber in Horse Feed

Beet pulp, for example, is often referred to as a “super-fiber” due to the high level of fiber it provides while also providing roughly the same energy level as oats.  While soy hulls and dehydrated alfalfa are common ingredients used to increase fiber levels, a performance horse ration with a higher fiber level may make use of beet pulp to achieve both increased energy and increased fiber levels.

Ready to ensure your horse is getting the optimum nutrition at feeding time, every time? Find the perfect feed formulated specifically for horse’s needs with our Feed Selector Tool.

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Roughage Ingredients in Horse Feed

If you were to take your horse’s digestive tract and stretch it out, it would measure nearly 100 feet from end to end. That is a long trip for the nutrients in feed to make! We feed roughage to our horses to provide a source of bulk and fiber to the diet, and this roughage helps to carry nutrients through that long digestive tract. Roughage consists primarily of bulky, coarse plant parts with high fiber contents. Most sources of roughage are things like hulls, husks or pulp – this type of ingredient provides the fiber and bulk needed for proper digestion, and keeps the horse’s gut functioning as it should. Roughage sources can include things like rice hulls, dried citrus meal, rye mill run, etc., but some of the most common forms of roughage are listed and explained below:

  • Beet Pulp: this is a by-product of the sugar beet industry. It is the dried residue that has been extracted in the process of manufacturing sugar from sugar beets. Beet pulp has long been fed as a way to put weight on horses.
    • It is high in digestible fiber and digestible energy and is low in starch, which makes it fairly safe to feed.
    • Beet pulp pellets are usually soaked when fed; this can also help increase water intake.
    • However, beet pulp by itself is not a balanced product. It can fit very well into a feeding program, either as a supplement or as an ingredient in a commercial feed, but if fed by itself the horse will be missing essential minerals, amino acids and protein.
  • Soy Hulls: these are the outer covering of the soybean. These hulls are removed before soybeans are crushed for oil, and are an excellent ingredient that is mainly used in pelleted feeds.
    • They provide a good source of energy and are an easily digested fiber source.
  • Oat Hulls: these are the outer covering of the oat kernel.
    • They are high in fiber, low in energy, and low in protein.
    • Because of their high fiber content they make a good source of roughage.

These are a few of the most common sources of roughage. Depending on where you live, there may be other more prevelant sources of roughage available. No matter what the specific ingredient is, the main function of roughage in the diet is to provide bulky fiber that helps pull the contents of the digestive tract along and assist in keeping the gut functioning.

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