Weigh Hay Rations? No Way! What You Need To Know...

By Monique Warren

The vicious cycle of meal fed, hungry hoovers can be remedied. In this post, we’ll focus on some of the physical (including obesity) and mental effects of stress and cortisol levels you may not be aware of. We'll also discuss alternative approaches to feeding that can lead to happier, healthier horses and less stress at feeding time.

Causes of Stress

​ Stress can be associated with a wide range of causes including, but not limited to:

• Lack of forage
• Confinement
• Lack of  movement
• Lack of direct physical interaction with other herd members/isolation
• Pain
• Lack of nutrients, vitamins and minerals necessary for proper thyroid, hormone and neurological function
• Rigorous training
• Travel

Why Meals Cause Stress

Each time your equine consumes a long-awaited meal, the psychological cycle repeats itself. I must eat all of my hay as quickly as possible to "self-medicate." Their stomach does not feel well due to the build-up of acid or ulcers and they know as soon as they start chewing and eating it will start feeling better. Chewing activates saliva production (an alkaline substance), which buffers gastric acid. Learn more in our Preventing Equine Gastric Ulcers - How Forage Buffers Acid post. 

Providing a slow feeder for meals certainly helps, but will not relieve the stress of being without forage for periods of time - which perpetuates the viscous cycle. Either your horse has forage available 24/7 or they don’t. This can be a difficult concept for some! It's equivalent to being sort of pregnant - either you are or you aren't.

Multiple Standard Hay Pillow slow feeders encourages movement

Lack of Forage = Stress = Cortisol Production = Fat Storage

Horses are stoic by nature. Because they are prey animals, they may not show outward signs of stress.

Lack of forage is stressful for your horse - and stress produces the hormone cortisol - and cortisol production results in fat storage by ignoring insulin’s attempts to uptake glucose into the tissues. This can be the cause for easy keepers and air ferns. If appropriate forage is available at all times, they can typically eat more and maintain or lose weight.

Chronic stress and release of cortisol may also be responsible for conditions including:

• Aggressive behavior
• Decreased growth and reproductive capability
• Inhibition of the immune system
• Increased risks of gastric ulceration, colic, and diarrhea

Action Plan to Reduce Stress

• Feed free choice tested low NSC (10% or below) straight grass hay. Consult an equine nutritionist to ensure all vitamin/mineral requirements are being met in proper ratios and unique conditions addressed. FeedXL can be extremely helpful for DIY'ers.  
• Experiment with slow feeders to determine the smallest mesh size that enables your horse to extract hay without being frustrated. Frustration is counterproductive - it causes stress!
• Offer multiple locations to encourage movement and feed from ground level.
• Use a grazing muzzle in pasture and turn out when sugars are likely to be lowest.
• Resolve any causes of pain or discomfort mentally and physically.  
• Routine exercise is key. And never exercise your horse on an empty stomach. If your horse is foot sore, equip them with hoof boots and pads.

Never exercise your horse on an empty stomach!

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Helpful How To Resources for Slow Feeding

• Sand Colic - The Surprising (Simple) Cure & Prevention
• How to Introduce & Incorporate Free-Choice Forage: A Detailed Action Plan
• Slow Feed Solutions for Any Environment
• 6 Great Reasons to Feed Your Horse from Ground Level
• 9 Benefits of Slow Feeding Horses
• 7 Slow Feed Dos and Dont's for Horses
  
• 7 Easy Ways to Help Prevent Colic
• Never Exercise Horses on an Empty Stomach...Ever!
• Why You Shouldn't Transport Horses On An Empty Stomach
  
• Keeping Horses Warm Naturally – Internally and Externally
  
• Why Most Horse Prefer to Eat Outside

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About the Author:
Monique Warren invented the Hay Pillow® slow feeder and is the owner of Hay Pillow Inc.
​Warren has been an equine guardian for over forty years and slow-feed advocate for over 10 years. She contributes equine nutrition and digestive and hoof health articles to publications such as The Naturally Healthy Horse,  Natural Horse Magazine,  Nicker News, Horse Back Magazine, The Horse's Hoof, and  Miniature Horse World Magazine. Equine nutrition and horses feet are her passions. She resides in Southern California.

​REFERENCES

• Juliet M. Getty, Ph.D. (2015) Obesity. The Real Cause. The Real Fix. Retrieved from https://gettyequinenutrition.com/pages/obesity-the-real-cause-the-real-fix
  
• Karyn Malinowski, Ph.D. (2016) Reviewed in 2004 by Carey Williams, Ph.D. Stress Management for Equine Athletes. Retrieved from http://esc.rutgers.edu/fact_sheet/stress-management-for-equine-athletes/