How much salt should a horse have?
William Harris
Updated on February 11, 2026
Daily Salt Intake for Horses
In Nutrient Requirements of Horses, the National Research Council suggests an average 1,100-lb horse at rest needs at least 25 grams of salt (NaCl) per day as a maintenance dose. That's approximately 1.5 tablespoons or . 75 ounces of loose salt.How much salt can a horse have?
Horses should absolutely have free choice salt available to them but if your horse is not consuming adequate amounts of salt from a block to meet daily maintenance requirements consider adding about 15 grams per 250 kg of body weight to their ration everyday.How do I know if my horse needs salt?
Signs of salt deficiency include a rough hair coat and loss of appetite – even lowered milk production in broodmares. A 500-kg (1,100-lb) horse getting light work would need about eight to 10 grams of sodium per day; intense work would require 24-30 grams per day.Can you give your horse too much salt?
Horses rarely consume too much salt. However, salt toxicosis may occur when water is limited or unavailable. Horses who eat too much salt may exhibit signs of colic, diarrhea, frequent urination, weakness, and recumbency. In advanced cases, horses may eventually die.Do horses need salt daily?
All horses require salt in their diet, specifically sodium chloride (table salt). Per the National Research Council, the average 1,100 lb. horse at rest needs 25 grams of sodium chloride per day.Ask the Vet - How much loose salt should a horse get everyday?
How much salt should I feed my horse per day?
Daily Salt Intake for HorsesIn Nutrient Requirements of Horses, the National Research Council suggests an average 1,100-lb horse at rest needs at least 25 grams of salt (NaCl) per day as a maintenance dose. That's approximately 1.5 tablespoons or . 75 ounces of loose salt.