Feeding the senior horse
30.10.21
Defining the “nutritionally senior” horse.
The nutritional management of the senior horse is challenging as there are no set criteria that define “old age” or the “senior” horse. The nutrient requirements of senior horses differ from other classes of horses because of the changes in metabolic and digestive efficiency that accompany the aging process. The first step to good nutrition for the senior horse is determining if it is “senior”. Rather than rely strictly on age to determine if a horse is a “senior”, it is more important to determine if the horse is “nutritionally senior.” A horse that is “nutritionally senior” can no longer eat its same diet and maintain proper body condition. The combination of: • age, • physiological status • and physical signs of aging will determine if a horse is “nutritionally senior.” Some common physical signs of aging that require nutrition management are loss of weight and decrease in body condition, loss of muscle mass over the top line, sway backed appearance, decrease in coat and hoof quality and dental problems. Some senior horses also develop diseases such as Metabolic Syndrome, Cushing Disease, degenerative joint disease and kidney or liver disfunction.Goal of feeding the senior horse
When it has been determined that a horse is indeed “nutritionally senior” each horse must be evaluated and fed as an individual. The main goals of feeding programs for senior horses should be to maintain an optimal body condition, with the shoulders and neck blending smoothly into the body, the ribs not visually distinguishable but easily felt and a flat back (no crease or ridge). Generally senior horses that are in good body condition are less active than their younger counterparts and only have maintenance energy requirements. However, if the horse has difficulty maintaining body weight then a higher caloric diet is needed.Consideration of dental problems
A large issue with older horses are dental problems. Horses that are missing teeth or have poor dentition must rely on alternate sources of pasture and hay as their ability to chew is limited. Forage products such as hay cubes and chaff can be used as substitute forage sources. Complete feeds that use high fiber by-products such as lupin and soybean hulls can be used as a quality forage source. These forage sources are often fed wet or in a “mash” or “gruel” form to minimize issues of choke associated with inability to properly chew. Commercial feeds specifically designed for the senior horse, such as HYGAIN TRU CARE® are easy to chew and highly digestible and in severe cases can be soaked and made into a mash to facilitate easier consumption by the horse. Senior horses with poor dentition should be offered small meals frequently throughout the day and a single meal should not exceed 2.5kg.Nutrient requirement
Senior horses in good body condition have protein and other nutrient requirements that are similar to those of horses at maintenance. Horses that are underweight or have lost muscle mass require higher levels of protein and other nutrients. Overall digestibility in the senior horse is decreased, especially the digestion of protein, phosphorus and fibre, therefore highly digestible and available nutrients are critical. Probiotics from live yeast cultures increase the digestibility of the fibre, phosphorus and calcium and are included in HYGAIN® EQUINE SENIOR® and HYGAIN TRU CARE® specially formulated feeds for the mature horse (6 yo +). Additionally, HYGAIN® EQUINE SENIOR® and HYGAIN TRU CARE® contain Glycoaminoglycans promoting joint health and Yucca Schidigera for the horse’s overall wellbeing and mobility. Water intake is especially critical in senior horses in order to reduce constipation and impaction problems that are common in old horses.“ The main point to remember when developing feeding programs for senior horses is that these animals should be treated as individual cases and optimized for the specific needs of each horse.More articles
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