The short answer for a Nigerian Dwarf that gulps
A Nigerian Dwarf goat that eats too quickly suits puzzle feeders built at miniature scale: a fine small-hole hay net hung low, a small treat ball whose opening matches her pellets, and a covered-cup tray — a muffin tin with a ball resting in each cup — so she has to nudge each cover aside for a few grains at a time. The Nigerian Dwarf is a true miniature dairy goat, and feeders designed for standard goats fail her twice: the holes are too big to slow her, and big enough to be unsafe around her small head.
Why such a small goat eats so fast
A Nigerian Dwarf in a pen of larger goats lives at the sharp end of feeder competition, and even kept with her own kind she has a browser's grab-first instincts in a very small body. Her ration is small to begin with, so a pan of concentrate that a standard goat takes minutes over can vanish under a Nigerian Dwarf in seconds — big relative mouthfuls, little chewing, and then immediate attempts on her neighbour's share. The breed's dairy background adds appetite: a doe in milk is genuinely hungry, and hunger plus competition is the recipe for bolting.
Miniature puzzles matched to a tiny muzzle
A hay net for a Nigerian Dwarf needs genuinely small holes, finer than a standard slow-feed net, hung at her chest height with no dangling loops she could catch a leg or her head in. Her treat ball should be sized so she pushes it with her nose rather than standing over it, with an opening that releases her small pellets one or two at a time. The covered-cup tray is the breed's best tabletop puzzle: set a sturdy tray with cups, drop a few grains in each, rest a ball or cup over each one, and the little goat works down the row nudging covers aside — each reward is tiny, which is exactly the point for a goat whose whole meal is small. Feed her puzzle ration apart from bigger penmates, because no device slows a goat who is being shouldered off her own dinner.
Scaling difficulty without scaling up risk
Raise the Nigerian Dwarf's challenge by narrowing openings and adding covered cups, never by using bigger equipment. Check that net holes and tray gaps cannot admit her muzzle and trap it, and that balls covering cups are too large for her to mouth and swallow but light enough for her to push. Introduce the cup tray with covers askew so the first grains are easy wins, then seat the covers fully over a few days. If she starts rearing at the net or throwing the little ball, the difficulty has outrun the reward and should step back until she is working calmly again.
Watch-outs for the smallest goat in the pen
Entanglement is the first watch-out at this scale: a Nigerian Dwarf can get a leg through netting a standard goat could not, so nets come down the moment they tear or sag. Choking signs in a small goat that has bolted feed — drooling, coughing, visible distress, a swelling on the left side of the belly — mean the vet should be called promptly. Watch her condition too: a doe whose puzzles slow her so effectively that she leaves feed may be losing out to penmates rather than eating slowly, and that distinction matters.
Small jobs, clearly assigned
Nigerian Dwarfs are often family goats fed by children and neighbours as much as by their owner, and miniature portions are the easiest to double by accident. Listing the net fill, the treat-ball load, and the cup-tray setup as assigned tasks in KinsLe through Care Teams keeps the little goat's slow meals measured and single, whoever in the household is on goat duty that day.