A Grain Scoop Is a Tool, Not a Unit of Measurement
Feeding horses by scoops is practical.
Calculating a horse’s ration by scoops is not.
The calorie, protein, vitamin, and mineral recommendations provided for manufactured feeds, and even whole grains such as oats, are based on the weight of the feed, not its volume.
That distinction matters because two scoops that look similar may hold very different amounts. Even the same scoop can deliver a different ration depending on whether it is level, light, or heaping.
Realistically, we are not going to place every meal for every horse on a scale before feeding it. Like most barns, we weigh the feed when establishing each horse’s ration and then use scoops for the normal daily routine.
The important part is knowing exactly what each scoop represents.
A difference of only four ounces may not sound significant, but four ounces is one-quarter of a pound. Those small differences can add up quickly.
Imagine that a heaping scoop contains four ounces more than the amount originally weighed.
If a horse receives two scoops per meal, that is an additional half-pound of feed at each meal. Fed twice daily, the horse receives one extra pound every day.
Across a herd of 10 horses, that becomes 10 extra pounds of feed each day.
Over one year, that equals 3,650 pounds of additional feed, or approximately 73 extra 50-pound bags.
At only $16 per bag, that is $1,168 per year, or nearly $100 every month, simply because each scoop was consistently one-quarter pound heavier than intended.
The comparison we recently made at the farm was even more dramatic.
We weighed two different scoops and discovered that the larger scoop held approximately one pound more feed.
Had we switched scoops without weighing the new one, the horses’ rations could have changed substantially without anyone realizing it.
For a horse receiving two scoops per meal, a one-pound difference per scoop would mean two additional pounds at every meal. Fed twice daily, that would be four additional pounds per horse every day.
Across 10 horses, that would equal:
40 extra pounds of feed each day
14,600 extra pounds per year
Approximately 292 additional 50-pound bags
About $4,672 per year at $16 per bag
That is almost $390 every month caused by nothing more than changing scoops without weighing them.
The financial cost is only one part of the concern.
A horse receiving substantially more feed than intended may also be receiving far more calories, vitamins, and minerals than the ration was designed to provide. Depending on the feed and the individual horse, that could contribute to unnecessary weight gain, digestive concerns, metabolic problems, or an unbalanced overall diet.
The opposite can happen just as easily.
A smaller scoop, a consistently light scoop, or a change in the density of the feed could leave a horse receiving less than intended.
Even a quarter-pound shortage per scoop could mean one pound less feed per day for a horse receiving two scoops twice daily. Over one year, that horse would be shorted 365 pounds of feed.
That can be especially important when a horse relies on the recommended daily amount of a fortified feed to receive adequate protein, vitamins, and minerals.
It is also important to remember that every feed weighs differently.
Sweet feed does not weigh the same as a pellet. A large pellet may not weigh the same as a smaller pellet. Two feeds that look nearly identical can still have different densities because of their ingredients and formulations.
That means the scoop should be reweighed whenever you:
Change feeds
Change formulas
Change scoop sizes
Adjust a horse’s ration
You do not need to place every meal on a scale.
You do need to weigh the feed often enough to know what the scoop actually represents and confirm that the amount being served still matches the ration you intended.
A scoop is a tool for delivering the ration.
It should never be the unit used to calculate it.