The Lusitano is an athlete with an economy engine: a horse selected for agile, collected work and bullring agility, yet built by the same Iberian tradition that produced very efficient feeders. That pairing shapes its health profile. The problems owners most often meet are not exotic — they are the consequences of too much feed for the metabolism, too much collected load for the hindquarters, and, in the many grey Lusitanos, the skin changes that come with a lightening coat. Managed with those three in mind, the breed is durable and long-working.
A thrifty metabolism that punishes generosity
A Lusitano in light work can maintain, and often gain, condition on forage alone, and the first sign of trouble is usually a hardening crest, fat filling in above the tail, and a horse who looks almost too well. That stored fat matters because it travels with hormonal strain on the feet: warm hooves, a pottery gait, a short stride on hard ground, shifting weight from foot to foot at rest, or lying down more than usual are all reasons to get a vet and farrier involved immediately rather than after the weekend. Practical control is unglamorous — weighing forage instead of guessing, restricting the richest grazing hours, using a properly fitted muzzle only if the horse accepts it calmly, and keeping steady low-intensity work in the week. Crash dieting a fat Lusitano is its own hazard, especially for smaller individuals, so any significant ration change belongs in a conversation with your vet, with weight taped regularly so you know the plan is working.
Collected work and the hind end
Movements that sit the horse behind — tight turns, collection, quick stops and spins — concentrate force through hocks, stifles, hind suspensories, and the back. A Lusitano who begins swishing his tail in transitions, pins his ears in work he usually enjoys, loses push from behind, or starts swapping leads or bunny-hopping at canter may be protecting something sore rather than testing the rider. Build collected demands gradually, warm up on straight lines before asking for sit and lift, and treat a sudden change in a schooled horse's way of going as information. Lameness that persists beyond a few days of rest, heat or filling in a hind leg, or back soreness that recurs every time work increases all deserve veterinary assessment before the training programme resumes. Because these horses are often ridden with close-fitting saddles for collected work, saddle fit also deserves a periodic check as the horse's topline changes with fitness and season.
Grey coats, skin, and general horsekeeping
Grey Lusitanos share the grey horse's tendency to develop firm skin lumps, most often under the tail and around the sheath, udder, lips, and jaw. Add a fingers-under-the-dock check to grooming, note size and position of anything you find, and ask your vet to look at lumps that grow, ulcerate, bleed, or sit where they could affect the eye or passing droppings. Lusitanos also meet the ordinary Iberian yard risks: dental hooks that make a horse drop feed or resist the bit, gut pain signalled by pawing, rolling, flank-watching, or a silent, tucked-up stance, and skin irritation in hot weather where sweat and tack rub. A Lusitano who goes off feed, shows repeated colic signs, develops diarrhoea, or becomes suddenly lame needs prompt veterinary attention whatever the suspected cause. Holding a Lusitano's weight record, lump map, dental dates, and any imaging from hind-end investigations in KinsLe's Pet Passport means each professional who sees the horse starts from the same documented history instead of a rider's memory.