How to Spot a Shetland Pony That Has Been Treated for Strangles

Shetland ponies remain a fixture at Australian ag shows from the Royal Melbourne Show to Sydney's Royal Easter Show and the Brisbane Ekka, where they are paraded by both children and serious breeders. Because the Australian Pony Stud Book registers hundreds of miniature and standard Shetlands every year, the market remains active in capital cities and rural centres such as Scone in the Upper Hunter and Tamworth in northern New South Wales. Many of these ponies change hands privately between families and studs, which makes it essential to understand what a recovered horse looks like before handing over any money.

Strangles, caused by the bacterium Streptococcus equi, is one of the most contagious respiratory diseases a pony can catch. Although most animals recover fully with proper nursing and antibiotics, the infection can leave behind visible marks and, in some cases, a carrier state that flares up under stress. Knowing how to recognise the signs of treatment and recovery helps buyers across Melbourne, Perth and regional Queensland avoid bringing home a pony that may still pose a health risk to other horses on the property.

Scarring on the head, throat and neck

The most obvious giveaway of a past strangles infection is found under the jaw. When the submandibular lymph nodes swell and eventually burst or are lanced by a vet, they leave permanent patches of scar tissue, hair loss or thickened skin along the throat latch. On a thick-coated winter Shetland these marks are easy to miss, so it pays to run a hand gently along both sides of the jaw and under the cheeks during a viewing.

Swelling lower down the neck, around the retropharyngeal lymph nodes, may also have been drained, leaving small crescent-shaped scars. Some recovered ponies show a slightly asymmetrical jawline or a dimpled patch of skin where the abscess ruptured on its own. None of these signs mean the pony is unsafe now, but they are clear evidence of veterinary intervention and a documented history worth asking about.

Lingering respiratory and discharge issues

Even after the fever has gone and the abscesses have healed, the guttural pouches can retain infected material for months. Watch for a thin, often creamy, one-sided nasal discharge, particularly after exercise or a long trip in the float. A pony that consistently needs its nostrils wiped but is otherwise bright-eyed and eating well may be harbouring guttural pouch empyema, a common sequel to strangles.

A dull, rattling sound when the pony lowers its head to graze, or a faint wheeze at the canter, also hints at unresolved pouch infection. Some recovered animals cough when they drink cold water or when the weather turns muggy in subtropical coastal towns like Coffs Harbour or Bundaberg. None of these symptoms rule out other conditions such as dust allergies, which is why veterinary follow-up is so important.

Behaviour, energy and work attitude

Recovery from a serious bacterial infection takes a toll that often outlasts the visible signs. Travelling from the Adelaide Hills to the Yarra Valley, buyers frequently meet ponies that seem perfectly sound but have lost their usual sparkle, particularly when asked to canter on a circle or jump a small log. This can be lingering low-grade inflammation, but it can also point to bastard strangles, where abscesses form internally in places such as the abdomen or chest.

A formerly forward, cheeky Shetland that hangs at the end of the lead, resists leg pressure or tires quickly on long trail rides is worth a second look. Equally, a pony that has bounced back too quickly, with no muscle wastage and a glossy coat, may simply have had a mild case, but it is still wise to confirm with the seller when the infection occurred and how it was managed.

Comparing active strangles, recovery and other conditions

Putting the visible clues side by side helps buyers tell a recovering pony apart from one that is acutely ill or suffering from something entirely unrelated. A pony that has clearly been through strangles weeks or months earlier may show signs that overlap with active infection or with unrelated respiratory complaints, so a quick side-by-side reference saves time during a viewing.

Visible Sign	Active Strangles	Recovered Pony	Other Possible Cause
Swollen submandibular nodes	Hot, painful, often bursting	Firm or absent, with scar tissue	Dental root abscess
Nasal discharge	Thick, yellow, both nostrils	Thin, intermittent, often one side	Dust, pollen, sinus issues
Cough or wheeze	Frequent, harsh	Occasional, exercise-related	Heaves, summer pasture
Energy levels	Depressed, off feed	Improving, may tire easily	Age, feed, workload
Swelling under jaw	Spreading, painful	Resolved, slight thickening	Insect bite, trauma

Treat the comparison as a starting point, not a diagnosis. A vet should confirm any concerns, since the same symptoms can mask other conditions entirely unrelated to past infection.

Paperwork, vet records and biosecurity

Honest sellers in Australia should be able to produce a veterinary history that includes the initial diagnosis, treatment plan and, ideally, the results of follow-up tests. A negative guttural pouch lavage or three clear nasopharyngeal swabs taken at weekly intervals are the standard way to confirm the bacteria have been cleared. Buyers in New South Wales and Victoria should also be aware that strangles is a notifiable disease under state biosecurity legislation, which means vets are obliged to flag outbreaks and movement restrictions may be issued in the affected zone.

Cross-border sales into the Northern Territory or Western Australia can be complicated by additional transport and entry requirements. Anyone shipping along the southern westerly routes should check the latest state-based biosecurity bulletins and confirm the pony's identification matches its Brands Register entry in those states. Reputable sellers will share lab certificates rather than relying on a verbal "she's fine now" reassurance. Buyers who want broader animal welfare context sometimes cross-check resources such as urban pet welfare hubs alongside their local vet's advice.

Final checks before handing over the money

Even with paperwork in order, a pre-purchase vet examination is worth the fee in capital cities and rural districts alike. A short scope of the guttural pouches via endoscopy is the gold standard for ruling out a carrier state and costs far less than treating a fresh outbreak. Blood work, including a baseline S. equi titre, helps establish whether the pony was recently exposed or is simply carrying antibodies from years ago.

If the seller refuses a vet visit, refuses to share lab results, or becomes evasive about the timeline, that is a signal to walk away regardless of how cute the pony is. A genuinely recovered Shetland is a joy to own for showing, harness work or as a child's first pony, and the right one will come with a clean history to match.