
Research in Alberta, Canada, has revealed that the placement of mineral or salt blocks in pastures significantly impacts horses’ consumption rates. When the blocks are positioned in areas where horses frequently gather, their intake increases. Conversely, placing the blocks near the water source results in a drop in consumption to alarmingly low levels.
🧂 Sodium is an electrolyte mineral that helps to maintain healthy body fluid balance and pH level.
🧂 Sodium, a key component of table salt (sodium chloride), is an essential mineral necessary for the proper functioning of muscles and nerves.
🧂 Approximately 30% of the sodium in the body is stored in the bones. The rest is found in bodily fluids like plasma, blood, and sweat, and in tissues, such as the skin and muscles.
🧂 Sodium is short in many working horse diets due to being lost in large amounts in sweat and urine.
🧂 Licking behavior can be a sign that your horse is short of salt.
🧂 Providing salt not only encourages your horse to drink more water but also supports the cells’ ability to stay hydrated and maintain proper electrolyte balance, which is critical for muscle function, nerve transmission, and overall health.
🧂 Sodium also aids in the absorption of nutrients in the gut, particularly glucose and amino acids, by helping to transport these substances across cell membranes.
🧂 Along with sodium, other electrolytes such as potassium, chloride, calcium, and magnesium are crucial for maintaining overall electrolyte balance.
🧂 Common sources of sodium for horses include salt blocks or loose salt, as well as commercial feeds and supplements formulated to provide balanced electrolytes.
🧂 Other signs of deficiency include poor performance, lethargy, decreased sweating, nerve and muscle dysfunction, and reduced appetite.
🧂 Excessive sodium intake can also cause issues such as increased thirst, urination, and potentially an imbalance with other electrolytes.
🧂 The average horse weighing 1,100 lbs should consume between 0.75-1 oz per day. A working athlete or a horse living in hot, humid conditions may need to consume even more to compensate for the additional loss of electrolytes through sweat.
Fun Fact – Did you know that a horse’s tongue has around 25,000 taste receptors as opposed to humans who have around 8,000?! Their taste receptors are mostly located on the roof of the mouth and the rear portion of the tongue. Hence their ability to lick pure salt without grimacing!


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