The Shetland problem is plenty
Shetlands evolved on sparse island grazing where survival meant extracting everything from almost nothing. Put that metabolism on fertilised pasture and pony nuts, and the result is the fattest animal on the yard and the one most likely to founder. A Shetland's health watching is dominated by one theme: this pony needs far less than it wants, and less than most owners find comfortable to give.
Laminitis, the standing emergency
Shetlands are among the most laminitis-prone equines of all. The early picture is a pony that is pottery on hard ground, reluctant to turn, rocking back onto its heels or lying down more than usual, with warm feet and a thumping pulse at the fetlock. Spring grass, frosty sunny mornings and a sudden increase in grazing time are the classic triggers. Weight control is the whole game: a weigh tape and hands-on condition checks work better than looking, because a thick double coat hides a fat pony until the crest gives it away. Bear in mind that a Shetland's ration is measured in handfuls where a horse's is measured in buckets, so children's treat habits, licked-clean feed-room spills and a neighbour's kind offerings of carrots all count as real feed in this pony's day.
When a Shetland stops eating
Ponies carry a specific metabolic danger: if a fat Shetland stops eating — through illness, stress or travel — its body can flood the bloodstream with mobilised fat, a condition called hyperlipemia that becomes life-threatening quickly and is far more a pony risk than a horse risk. This is why a Shetland off its food is never a wait-and-see case. Any pony that refuses feed for more than a few hours, especially one carrying extra weight, needs a vet the same day.
Teeth, coat and old age
A full set of horse-sized teeth in a pony-sized mouth crowds and wears unevenly, so dental checks matter more, not less, for being small; dropped feed and slow eating are the giveaways. Senior Shetlands commonly develop pituitary dysfunction: the coat grows long and curly and fails to shed in spring, drinking and urination increase, and the topline wastes while the belly rounds. Because Shetlands routinely live into their thirties, these senior changes are a when, not an if, for most owners.
When to call the vet
Call immediately for laminitis signs or any refusal of food, and promptly for a coat that stops shedding, quidding, or weight change in either direction that feed adjustments do not explain. Keeping your Shetland's weigh-tape readings, dental dates and any laminitis episode details in its KinsLe Pet Passport gives your vet the trend lines that pony medicine runs on.