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.
1 On average, a horse must consume about two percent of dry matter of its bodyweight per day (A 1000 lb horse will need to consume 20 lbs of feed on a dry matter basis).  Different ages, classes and workloads of horses require different levels of nutrients from hay.