After-exercise feeding — getting the most out of your horse's recovery

The most important thing you can do for your horse's recovery is simple: keep feeding normally. Do not skip meals, do not switch to hay only, and do not try to 'load' your horse with extra grain after competition. Your horse's body needs time — and the right food in the background — to recover fully.

Why your horse needs 3–4 days to fully recover

Horses store energy for muscle work as glycogen — a form of sugar locked inside the muscle fibres. When your horse works hard at a competition, those glycogen stores are used up. After cross-country, a marathon phase, or a race, your horse may have used 50–60% of this stored energy.

Here is the key fact: horses refill their glycogen stores much more slowly than humans or other animals. Even with the best feeding, it takes your horse around 3–4 days to fully restore muscle energy. This is simply the biology of the horse — it is not something that can be changed by feeding more grain on the night of the competition.

What to feed after hard work

The simple rule: keep everything normal. The most important thing is to maintain your horse's normal ration throughout the competition period. Do not switch to a hay-only or low-energy diet during competition week. Your horse needs its usual mix of good hay and a balanced hard feed to refill those muscle stores over the following days.

After competition, follow this sequence:

• •Immediately after finishing: fresh water and electrolytes. Let your horse cool down properly.
• •Within 30 minutes: offer good-quality hay or chaff. This settles the stomach and starts the recovery process.
• •Within 2–4 hours: your horse's normal concentrate meal at the normal quantity. Do not skip this feed.
• •Evening and next morning: normal ration as usual. Keep forage available continuously.
• •Next 3–4 days: maintain your horse's normal competition ration. Reduce training intensity but do not reduce feed.

Why the timing does not work the way it does for human athletes

You may have heard about the 'recovery window' for human athletes — the idea that eating carbohydrates within 30 minutes of exercise speeds up glycogen recovery. In horses, this mechanism works differently. Research on horses has shown that feeding a starch-rich meal immediately after exercise produces higher blood sugar and insulin levels — but it does not actually result in faster glycogen recovery compared with feeding normal hay or even temporarily withholding food.

This does not mean that feeding after exercise is unimportant. It means the timing of that meal matters less than what you are feeding across the whole competition period. Prompt, normal feeding after competition is important for energy balance, gut health, and muscle repair — just not for the specific glycogen-window reason often quoted.

The three real reasons to feed promptly after competition

• •Energy balance: your horse has worked hard and needs to start restoring total energy. Do not leave a long gap before the first post-exercise meal.
• •Gut health: an empty stomach is one of the risk factors for gastric ulcers. Forage after competition protects the stomach lining and maintains the natural buffering environment.
• •Muscle repair: feeding a balanced meal within a few hours of exercise provides the protein building blocks (amino acids) your horse needs to repair and maintain muscle tissue. This is where the timing does genuinely matter — for protein, not for glycogen.

Your horse's day-after ration — the key principle

After a hard competition day, maintain the full normal ration the following morning. Do not reduce the concentrate. Reducing food on the day after competition because 'the horse isn't working' is one of the most common recovery mistakes. Your horse needs that food to fuel the recovery process even while it is resting. Reduce training intensity — not feed intake — in the 48–72 hours after hard competition.

The Monday morning problem — maandagochtendziekte

There is a well-known phenomenon in horses called 'Monday morning disease' (azoturia or tying-up), which historically occurred when horses were given a rest day on Sunday but continued to receive full working rations. The glycogen built up in rested muscles, and when work resumed on Monday the muscles went into spasm.

The modern EVN management principle is the mirror image: when your horse has a genuine rest day (not competing, not in regular training), reduce the concentrate ration proportionally to the reduction in work. This does not apply to the 48–72 hours after competition — that is recovery time, not rest time — but it does apply to longer breaks in the schedule.

This is general information. It does not replace the individual feeding plan your EVN vet prepares for your horse after assessing it.