© 2023 Stable Grazer

Feed management


Ken McNabb interviews Dr. Hayes about the health benefits of the Stable Grazer automatic feeder.

Ken McNabb Show - Ken McNabb w/ Dr. Karen Hayes
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Portion of Dr. Hayes popular lecture:

How Not To Feed 

Reproduced with permission from the author expressly for Stable Grazer

How Not To Feed - Dr. Karen Hayes, DVM, MS
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Dr. Karen Hayes is a 1979 graduate of the University of Illinois College of Veterinary Medicine. She’s also an award-winning author. She’s written hundreds of articles for such magazines as Equus, Dressage Today, Practical Horseman, Modern Horse Breeding, Stable Management and Horse & Rider, where she’s a Contributing Editor. Her seven horse-care books are practical, hands-on, fun to read, and they’re revolutionizing horse care.

Stable Grazer - The Chosen One!

The Stable Grazer® automatic hay feeder is one of a select few products chosen by Dr. Karen Hayes to be featured in one of her books. The Stable Grazer is featured prominently in her book, How To Be The Perfect Horsekeeper (book two in the Perfect Stall series), in which she considers it to be "The Perfect Way To Feed A Stabled Horse."

Dr. Hayes, who does not do paid endorsements or accept payment from any of the products she recommends, has spent several years testing horse care products, methods, and concepts, then writing and speaking about them on a nationwide lecture circuit.

Feeding Management

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With today’s busy lifestyles it’s getting more and more difficult to manage our horse’s feeding schedules. Few horses have the freedom to graze acres of grassland like nature intended. In fact many horses are kept in a small area only being brought out for exercise or riding. A large percentage of these horses are only fed twice a day. This leaves the horse with several hours per day with nothing to eat. A horse’s digestive system is not designed to work this way. In fact the way in which we feed our horses may be a contributing factor with many health issues or stall vices.

The articles below are for your convenience. We believe that as you read through them you will begin to see the importance of feeding smaller meals, more often.

The How & When of Feeding Horses

Reprinted by permission from the University of Kentucky - College of Agriculture ASC-143 
Laurie Lawrence, Department of Animal Sciences

"HOW and WHEN a horse is fed may be just as important as what a horse is fed."

Providing horses with good nutrition is essential for normal growth, reproduction and performance. Horses should receive feeds that are adequate but not excessive in required nutrients. However, just providing the right feeds is often not enough to ensure that horses are receiving optimal nutrition. HOW and WHEN a horse is fed may be just as important as what a horse is fed. The HOW of horse feeding includes the type of feeding system used (group or individual). The WHEN of horse feeding includes the number and timing of meals that a horse receives. Good feeding management should encourage adequate consumption of feed and limit wastage. In addition, good feeding management should promote the safety and well being of horses.

Number & Timing of Meals

"...grazing periods are rarely separated by more than two or three hours of non-eating behaviors."

In the natural state, horses are grazing animals that may spend up to 60% of their time eating. Grazing and resting periods are interspersed so that grazing periods are rarely separated by more than two or three hours of non-eating behaviors. When domestic horses are kept in a true pasture situation, most will adopt the grazing pattern described for horses in the natural state. However, many horses have limited access to pasture and will receive their nutrient needs from hay and concentrates in a more regimented environment.

"...stalled horses may consume a typical hay and concentrate ration in two to four hours"

In pasture situations, horses may spend 12-14 hours a day grazing. By comparison, stalled horses may consume a typical hay and concentrate ration in two to four hours. When the diets fed to stalled horses are high in roughage, more time will be spent eating than when the diet is high in concentrates. Because horses in stalls often spend less time eating than horses in pastures, they may be more inclined to occupy their time with undesirable activities such as stall vices, or wood chewing. Wood chewing appears to occur more at night in stabled horses and is increased when low roughage rations are fed.

"...their digestive tract is designed to accommodate small meals, in that the stomach is relatively small."

Horses have evolved to consume small amounts of feed several times a day, rather than large amounts of feed once or twice a day. Anatomically, their digestive tract is designed to accommodate small meals, in that the stomach is relatively small. Despite the fact that the horse is more physiologically adapted to many small meals each day, it is not uncommon for feed to be provided only two (or occasionally three) times a day for many horses that are housed in stalls. This feeding practice may be labor efficient, but it may not be the most desirable situation for the horse, particularly if large amounts of concentrate are being fed. The following situations may result when horses are fed two times per day:

  1. When a large amount of concentrate is fed before the roughage component of the diet, the horse may consume the grain readily and then have a reduced appetite for the hay. The horse may "pick at the hay or waste the hay by mixing it in the bedding. In either case, the horse will not be consuming the nutrients that are contained in the hay.

  2. A high and rapid concentrate intake may increase the possibility of digestive disturbances. "Concentrates are feeds such as cereal grains (oats, corn, barley, etc.) and commercially mixed feeds that are concentrated forms of energy. Concentrates are high in starch. It has been estimated that the maximum amount of starch that should be fed in one meal to a mature horse is 3.5 to 4 lb (1000 lb horse). When higher levels are fed, starch may bypass the small intestine and enter the large intestine where it will be fermented by the microbes in the cecum and large intestine. Excessive concentrate intake has been suggested as a causative factor in the occurrence of colic in horses. A large concentrate meal has also been associated with large shifts in plasma volume and changes in other cardiovascular parameters

Individual Feeding

A distinct advantage to individual feeding systems is that every horse can receive a ration that has been specifically designed to meet its needs. There is maximum flexibility in the amount and types of feeds that can be given to each horse. It is also easy to monitor each horse's appetite and feeding behavior when they are individually fed. Generally, individual feeding also reduces the opportunity for injury due to competition for feed within a group.

On the negative side, it is more time- and labor-consuming to feed horses individually than to feed them as a group. Further, individual feeding systems usually require some type of facility where horses can be separated, usually a barn with stalls. The horses may be housed in the stall more or less continuously, or just brought into the stall at feeding time. It is not uncommon for horses that are fed in stalls to develop undesirable behaviors at feeding time. For example, horses may kick at partitions, walk the stall or strike at the door in anticipation of feeding.

Some of the disadvantages associated with individual feeding can be minimized with good barn and stall design. For example, the time and labor associated with feeding can be reduced if all feeders are placed at the front of the stalls in a location that can be reached without entering the stall. For example, small doors that swing out into the aisle way can be placed above the grain tub. Swing-out hay feeders are also available. Some people believe that feeding hay from the floor is the most natural situation for horses and that hay racks or hay nets increase the exposure of the horses to dust from the hay. In addition, some horses will remove the hay from hayracks and eat it off the floor. However, hayracks/nets will often decrease wastage of the hay.

The stall design and feeder location may also affect the behavior of horses at feeding. Placing feeders on either side of stall partitions is a labor-efficient design, but it may increase undesirable behavior at feeding, such as kicking. Stall partitions should be high enough to prevent aggressive horses from reaching into adjoining stalls. Some horses do not adapt easily to separation and/or isolation from other horses. Stalls that allow for visual contact across a stable aisle may improve the response to individual feeding. For horses with poor appetites, visual contact with other horses may stimulate eating activity.