Raw ash in feed – harmful or necessary?
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What is raw ash?
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A technical term for the total mineral content of the feed.
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Not a harmful substance in itself.
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Shown on the declaration as the amount of minerals remaining when all organic material has been burned away.
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Why do some people ask if it can damage the liver and kidneys?
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Some believe that a high content of vitamins/minerals = risk of overload.
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The short answer: No , not with Regulator Complete's balanced composition.
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Why does RC cover just over 100% of the need?
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RC's recommended dosage is designed to cover just over 100% of the daily requirement (KER level) together with average Danish roughage and grass.
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Reasons:
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Most horse owners have not analyzed their roughage.
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If we covered exactly 100%, many horses would be in deficit because roughage often lacks several important minerals.
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The source of raw ash
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In roughage:
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Some comes from soil particles – especially if the field is cut closely or is earthed.
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In RC products:
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Comes primarily from carefully balanced macrominerals: calcium, phosphorus, magnesium and sulfur.
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Why RC's doses may be higher than competitors'
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RC uses no fillers – only real, documented amounts of macro and micro minerals.
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Example:
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Supreme Minerals: Lowest allocation is 16 g per 100 kg horse – without filler.
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Some competitors claim full coverage with 5–10 g per 100 kg – often without macrominerals, so you are completely dependent on roughage, which rarely covers the entire requirement.
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RC's balanced approach – concrete
| Mineral type | Proportion covered from RC | Comment |
|---|---|---|
| Macrominerals (Ca, P, Mg, S) | Approximately 45–50% | The rest from roughage |
| Selenium | Approximately 90–100% | Roughage covers only 12–15% |
| Iron | Approximately 70–80% | Low bioavailability from roughage |
| Zinc and copper | Adapted Danish analyses | Based on actual needs |
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The levels are based on over 80 analyses of roughage and feed materials in Danish conditions.
Is high raw ash harmful?
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No – and here's why:
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Horses have a high tolerance threshold for minerals – in some cases up to 900% of recommended levels without harm.
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No research shows that properly adjusted amounts like those in RC put strain on the liver or kidneys.
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Worries are often caused by:
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Misunderstanding of what raw ash is.
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Experience from other animal species that cannot tolerate the same levels.
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Why can analyses give different results?
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Mineral analyses can vary by up to ±20% due to method and sampling.
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Declaration ≠ reality:
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RC has analyzed products where the actual content was, for example, only 13% of the declared selenium .
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In short
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A slightly higher raw ash and a coverage level above 100% is not harmful .
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This ensures that the horse does not lack anything.
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At RC, the quantities are carefully balanced for Danish conditions – to support health and metabolism without the risk of overdose.
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If you have any questions, we are happy to help with a personal assessment - you can book a telephone meeting here.


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