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I had stopped at one of my large training barns to check on their horses’ diets, as they had just returned from a recent show circuit. The owner said the horses were doing well, but he was going to tweak their diets just a little. He had purchased a bag of selenium from a local milling company for top dressing a little extra.
Unfortunately for him, the truth is that more is not always better. I emphasized the importance of maintaining specific ratios and levels of vitamins and minerals for optimal horse health. Randomly adding supplements undeniably can endanger a horse’s health. To ensure proper bone growth and development, it is crucial to maintain a ratio of 3:1 to 4:1 between copper and zinc.In young growing horses specifically, having this ratio out of balance could lead to Developmental Orthopedic Diseases. All horse feed supplements are not created equal. In the case of minerals, organic complexed trace minerals (minerals that are tied to an amino acid) have increased bioavailability over the oxide or sulfate forms.
Mineral requirements for horses are categorized as Micro and Macro minerals. Macro minerals include calcium, phosphorus, sodium, chloride, potassium, magnesium and sulfur. The diet requires these in gram amounts. Micro, or trace, minerals include copper, cobalt, manganese, zinc, iron and selenium. The diet comparatively necessitates these in smaller quantities, measured in “parts per million” (ppm).A part per million is equivalent to one drop of water diluted into 50 liters (roughly the fuel tank capacity of a compact car). Micro and macro minerals play an important role in bone development, muscle, hair coat, appetite, skin and hoof integrity. The key is to balance them in the horse’s diet.
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If your horse has ever had issues with his/her feet, the old adage, ‘no hoof, no horse’ could not ring truer. When considering hoof health, multiple factors influence the state of your horse’s feet including nutrition, conformation, environment, use and overall management and care. When assessing your nutrition program in relation to hoof health, there are many key components that need to be present for healthy hoof maintenance and growth.
If you are feeding a commercially produced complete feed, check the guaranteed analysis for these nutrients. It is also important to check that you are following the feeding directions so the proper levels of nutrients are making it in your horse. Feed companies formulate the nutrient density and balance based on their feeding directions. Feeding less than recommended amount means your horse is likely not getting enough of the balanced nutrients he needs.
Hoof supplements are widely available and varied. If you are feeding a complete feed from a commercial manufacturer that guarentees levels of the nutrients listed above, you likely do not need to supplement for hoof quality. However, special cases require additional nutrient supplementation. It is best to work with your vet, farrier and a qualified nutrition consultant to determine the best feed and supplementation program for your horse.
Feeding a horse that has established foot issues such as laminitis takes special care, as he needs the nutrients in feed but likely not the energy provided. Excessive levels of starch and sugar per meal increase spikes in glucose and insulin which may have a negative impact on feet. A low calorie feed or ration balancer fully fortified with vitamins, minerals and amino acids is your best bet for these special cases.
Finally, if you have specific questions about your feeding program, check with a qualified nutrition consultant for more information. A combination of regular hoof care , the right nutrition and proper management for your horse will go a long way in keeping him or her sound for years to come.
In the case of minerals found in a bag of commercially prepared feed, the form of mineral used as an ingredient can be looked at. There are a variety of types of minerals that can be used as ingredients, with varying levels of bioavailability, or ability to be absorbed by the animal, for each of them.
Premium horse feeds often contain one of the two forms of organic trace minerals, as they are the more bioavailable forms. They are generally used in combination with the inorganic forms to acheive the desired level, without skyrocketing the price of the feed.
For more information on trace minerals in horse feed, visit ZinPro’s website – ZinPro is a key supplier of trace minerals in the feed industry.
*Please note that “organic” is not referencing certified organic products like you would purchase at a grocery store – instead it is a scientific reference to the chemical makeup of the mineral.
Minerals are generally listed in two ways on a feed tag guaranteed analysis.
When analyzing a feeding program, it is of great importance to make sure that the same units of measurement are being used. Often times, test results for a hay sample that has been analyzed will not be expressed in the same unit of measure as the nutrients guaranteed on a bag of feed. So, in order to know what the entire diet is providing, make sure you are comparing apples to apples!