Why herd feeding turns into a contest
Horses in a herd live inside a pecking order, and food is the resource that order exists to control. A dominant horse does not just eat his own pile — he patrols, moves others off theirs, and eats the best of several, while the horse at the bottom learns to eat fast, eat nervously, or not eat enough at all. Almost every field-feeding fight is really an architecture problem: too few feeding points, placed too close together, so the hierarchy has something worth fighting over. Fix the architecture and most of the conflict drains away.
Hay: more piles than horses, spread wide
The working rule is one pile more than the number of horses, as a minimum — four horses, five piles — spaced far enough apart that a horse moved off one pile can walk to a spare without passing within kicking range of the horse who moved him. Spread piles along a line or around the field's edges rather than clustered by the gate, where the hierarchy already gathers. Hay nets and slow feeders slow the dominant horse's advantage less than you would hope if there are too few of them; the spare-pile principle matters more than the hardware. In mud season, rotate the feeding ground so one churned, poached patch does not become the contested centre of the field.
Bucket feeds: separate, calm, supervised
Hard feed raises the stakes — a bucket is small, valuable and finished in minutes, which is a recipe for guarding, barging and kicks. The reliable options are to bring horses in to stable or stand tied for buckets, to feed in taped-off individual pens in a corner of the field, or at minimum to feed buckets in the same wide spacing as hay with a person staying until every bucket is done and removed. Feed the bullied horse first and the boss last where you can; a dominant horse still eating his own ration has less reason to go shopping. Never leave empty buckets lying in the field to be argued over.
When herd feeding stops being safe
Some situations outgrow management: a horse losing condition while others bloom, repeated injuries at feeding time, or a new horse whose arrival has set the whole order alight. Those are signals to split the herd for feeding permanently, or to rethink the grouping itself, and a horse dropping weight despite spare piles deserves a vet and dental check — teeth, not hierarchy, may be why he eats slowly and gets moved on. Keeping each horse's pile position, bucket arrangements and feeding order in his KinsLe profile under Care Teams means anyone feeding the herd — owner, friend or covering help — reproduces the arrangement that works, horse by horse.