Wiktionary (0.00 / 0 votes) Rate this definition:-ance (Suffix) Added to the stem of a verb to form a noun indicating a state or condition, such as result or capacity, associated with the verb.-ance (Suffix) A process or action. Origin: Via -ance, from -antia, -entia.
The actual daily amount of water that most horses need to consume (at a minimum) to maintain body functions and remain properly hydrated is from a half gallon to a gallon per 100 pounds of body weight.
The current vitamin E requirement is 1 IU/kg of body weight for an adult horse at maintenance. A requirement is the minimum amount needed by all horses within a certain category (such as weight or exercise level) to maintain a standard level of health. It does not take into consideration the individual s needs.orses that graze on pasture usually get all the vitamin E they need. Fresh grass contains approximately 110 IUs of vitamin E per kg of dry matter. If your 1100 lb (500 kg) horse spends all day on a healthy field of grass, a generalized level of consumption would be 22 lbs (10 kg) of dry matter each day.