10 min read Last updated: January 2026 Ears back, snapping, or flinching at the girth isnt bad behaviourits your horse telling you something hurts. This guide shows you how to pinpoint the cause and fix itstarting with a vet check for ulcers (often 37% of cases; up to 92% in symptomatic horses) and followed by saddle fit and 1015 minute, gradual girth-tighteningfor calmer, safer tacking-up. Quick Summary Short on time? Here are the key takeaways. Area: Vet exam & scope What To Do: Book an RCVS vet for gastroscopy plus a full back/lameness assessment. Follow any prescribed omeprazole and management changes. Why It Matters: Ulcers and pain are the top causes of girthiness, and treating the root cause resolves behaviour. Common Mistake: Changing tack or training approach before ruling out ulcers. Area: Track signs & patterns What To Do: Keep a twoweek log of girth reactions, appetite, faeces, ride quality and any colic signs. Share it with your vet and SMS fitter. Why It Matters: Patterns make ulcervstack decisions clearer and speed accurate treatment. Common Mistake: Relying on memory and missing subtle trends. Area: SMS saddle fit What To Do: Book an SMSqualified fitter to check tree, panels, balance, flocking and position, then assess ridden. Refit or reflock as needed. Why It Matters: Poor fit and forward placement concentrate pressure and trigger aversion. Common Mistake: Using pads to mask a badly fitting saddle. Area: Girth tension strategy What To Do: Start snug, not tight; tighten one hole at a time over 1015 minutes, balancing both sides. Check alignment is perpendicular to the sternum. Why It Matters: Gradual tightening prevents pressure spikes that cause discomfort. Common Mistake: Cranking the girth tight on the yard before mounting. Area: Choose the right girth What To Do: Use a wider, anatomical, elasticated girth with soft liners. Position to clear elbows and sit evenly both sides. Why It Matters: Better pressure distribution reduces sternum and pectoral pain. Common Mistake: Narrow, nonelastic girths that create focal pressure. Area: Preride forage What To Do: Feed a double handful of chaff or hay 2030 minutes before tacking up. Why It Matters: A fibre mat buffers stomach acid and improves comfort when you girth and start work. Common Mistake: Working the horse after a fasting period. Area: Musculoskeletal screen What To Do: Ask your vet/physio to palpate sternum, ribs and thoracic spine and assess movement inhand and on the lunge. Keep farriery balanced and up to date. Why It Matters: Orthopaedic pain is a significant share of girth aversion cases. Common Mistake: Ignoring back or limb pain when ulcers are negative. Area: Urgent red flags What To Do: Call your vet immediately if girthiness comes with colic signs, weight loss, dullness, heat/swelling at the girth or performance drop. Why It Matters: Early intervention prevents escalation and speeds recovery. Common Mistake: Waiting to see if it settles while pain worsens. In This Guide Is girthiness just bad behaviour? What signs point to ulcers versus tack issues? What should you check first? How do saddle fit and girth tension cause pain? What management changes reduce girthiness today? What kit helpsand what does it cost? When should you call the vet urgently? Your horse pinning their ears or snapping when you do up the girth isnt naughtiness its a message. In UK horses, girth aversion is most often pain-driven, with gastric ulcers and tack-related pressure topping the list.Key takeaway: Girthiness is usually pain, not behaviour start with a vet check for ulcers, then assess saddle fit and girth tension to fix the root cause.Is girthiness just bad behaviour?No most girthy horses are reacting to pain, with gastric ulcers the leading cause in studies (37% in a retrospective series and up to 92% in symptomatic cohorts). In a review of 37 horses, gastric ulceration was the primary cause (37%), followed by orthopaedic issues (27%) and poor saddle fit (8%) (EquiManagement). Other research cited by equine health experts found 92% of girthy horses had ulcers on scope (Mad Barn).Behavioural labels mask welfare issues. UK veterinary guidance links girth aversion with Equine Gastric Ulcer Syndrome (EGUS), back pain and saddle pressure. Addressing the underlying problem not the symptom consistently yields calmer, safer tacking-up and better performance.What signs point to ulcers versus tack issues?Girthiness plus poor appetite, dullness, weight loss or post-feed colic strongly indicates EGUS; isolated resistance only when tacking or under saddle more often points to fit or musculoskeletal pain. The British Horse Society summarises classic ulcer signs seen alongside girth aversion:Weight loss, dull, depressed demeanour, reduced performance, resistance to aids when ridden, grumpy or aggressive behaviour when girthing, rugging or grooming, colic-type signs, reduced appetite. BHSOaklands Veterinary Centre (a BEVA-affiliated UK practice) adds:Gastric ulcers should be suspected if the horse shows one or more of the following signs: Unwillingness to perform as usual, including resistance to riding aids, picky appetite, transient colic signs directly after feeding, dullness, low Body Condition Score, resistance to girthing. Oaklands Veterinary CentreBy contrast, when girthiness is primarily tack-related, youll often see:Reactions localised to tacking up or the first minutes of workTail swishing, ears back, head tossing as you tighten the girthTripping, shortened stride, or reluctance to go forward under saddleDry or ruffled hair, swelling or rubs at the girth area or behind the shoulderQuick tip: Keep a simple log for two weeks. Note girth reactions, appetite, faecal consistency, ride quality and any colic-like signs. Patterns make the ulcer-vs-tack decision much clearer for your vet and saddle fitter.What should you check first?Book a veterinary exam with gastroscopy (the BEVA gold standard) and a lameness/back assessment before changing tack. UK vets routinely perform gastroscopy at yards, and BEVA guidance also supports prophylactic omeprazole for competition horses under British Equestrian frameworks where appropriate, prescribed by your RCVS-registered vet.Start with health because the data and welfare case are compelling: ulcers commonly present with girth aversion, dullness, and low body condition score (BHS; Oaklands). If ulcers are confirmed, your vet will typically prescribe omeprazole treatments often fall in the 100200 per course range alongside management changes such as more frequent forage and reduced fasting windows.At the same time, ask your vet or physio to screen the sternum, ribs, and thoracic spine for pain, and to observe movement in-hand and on the lunge. Orthopaedic problems accounted for 27% of girth aversion cases in the EquiManagement review, so a musculoskeletal exam is just as crucial as scoping.UK context matters. Wet autumns and winters limit turnout and increase stress, which exacerbates EGUS risk. The BHS recommends ad-lib forage; ensuring hay or haylage before and after work buffers stomach acid. If mud restricts grazing, slow-feeding solutions and extra stable time management help maintain fibre flow and calm routines.Pro tip: Feed a double handful of chaff or forage 2030 minutes before you tack up. This creates a fibre mat to protect the stomach lining when you tighten the girth and start work.How do saddle fit and girth tension cause pain?Excessive girth tension shifts saddle pressure forwards and ill-fitting saddles create pressure points that trigger girth aversion. Peer-reviewed research shows that higher girth tension significantly moves pressure towards the cranial (front) aspect of the saddle, a set-up that can cause discomfort and back issues over time (PMC study).Ill-fitting saddles also contribute by pinching behind the shoulder, bridging, or collapsing at the wither and were identified as a common cause after ulcers and orthopaedic pain (ThinLine research summary). In the UK, the Society of Master Saddlers (SMS) sets the standard; book an SMS-qualified fitter to assess tree integrity, panel balance, flocking and, crucially, saddle position. Saddles placed too far forward will magnify girth-related pressure at the horses sternum and pectorals.What to ask your fitter to check:Girth type: wider, anatomical contours that avoid the elbow and sternum; soft materials with elastic insertsGirth alignment: ensure the girth sits perpendicular to the sternum with even tension on both sidesTension strategy: fit snugly for mounting, then tighten in small increments across 1015 minutesDynamic fit: use ridden assessment or pressure mapping if available at your livery yardQuick tip: If you cant access a pressure mat, dust the girth area with grooming chalk before riding. After the ride, uneven smudging or heat at specific points often correlates with pressure peaks.What management changes reduce girthiness today?Tighten the girth gradually over 1015 minutes, use wider elasticated girths, and tack up after a small forage feed to buffer acid. These simple changes immediately reduce sternum pressure and the discomfort that conditions girthy behaviour.A step-by-step routine many UK owners find effective:Before tacking, offer forage (chaff/hay) to create a protective fibre mat.Place the saddle slightly behind the scapula, then slide forward to nestle behind the shoulder.Buckle the girth at the lowest comfortable hole for mounting; do not crank tight on the yard.Walk in-hand for 35 minutes; then tighten one hole. Mount, walk for another 5 minutes; recheck.After warm-up, tighten a final hole if needed, ensuring even holes both sides.Post-ride, palpate along the sternum and behind the elbow. Note any flinching or heat.In wet UK winters, keep stress low: steady routines, ad-lib forage, and appropriate rugging to maintain comfort. Comfortable, weather-appropriate rugs reduce shivering-related stress and calorie drain, which otherwise predispose to ulcers. Explore well-fitting winter turnout rugs for wet days and breathable stable rugs for overnight comfort.Do not punish or rush a girthy horse. Behaviour often improves as pain resolves. Consistency gentle handling, gradual girth tightening, and professional checks is what resets the horses association with tacking up.What kit helpsand what does it cost?Budget 10150 for practical kit (wider girths, pads, hay nets, targeted supplements), and reserve 100200 for vet-prescribed omeprazole if ulcers are diagnosed. Prioritise evidence-led purchases that reduce pressure and support gut comfort while you work with your vet and SMS fitter.Wider, anatomical or elasticated girths: Improve pressure distribution and elbow clearance; expect 50150 depending on design. Look for soft liners or sheepskin covers from brands like LeMieux and Shires, plus shaped pads that stabilise the saddle.Pressure-relieving numnahs/pads: Use with professional fit, not as a band-aid. A shaped pad can help when flocking is due or the horse is changing condition.Forage management: Slow-feeding nets and extra hay prevent long fasting periods that drive acid splash. Browse practical yard essentials and gut-support options in our horse supplements collection.Targeted gut supplements: While medication treats diagnosed ulcers, daily support (e.g., buffers, pre/probiotics) can help management. Explore vet-advised options from trusted brands such as NAF.Comfortable rugs: Appropriate seasonal rugging reduces stress and weight loss in poor weather; see our waterproof, breathable turnout rugs for wet spells and cosy stable rugs for stabled nights.Monitoring and handling: A good grooming kit helps you spot skin changes, rubs or heat daily, while supportive horse boots & bandages can aid comfort during rehab from related musculoskeletal issues.At Just Horse Riders, we recommend combining any kit changes with professional input. Small improvements in fit and routine, made alongside your vet and SMS fitter, deliver the biggest (and fastest) behaviour change at the girth.When should you call the vet urgently?Call your vet immediately if girthiness is accompanied by colic signs, weight loss, dullness, or a marked drop in performance. BEVA-backed UK guidance prioritises prompt gastroscopy for suspected EGUS, especially in performance horses where rapid return to comfort matters (Oaklands Vet Centre).Also call the vet if you see repeated flinching on sternum palpation, heat or swelling at the girth, or deteriorating gait quality. Orthopaedic issues sometimes compounded by unbalanced feet are a significant share of cases; ensure regular farriery is up to date, as the Farriers Registration Council (FRC) notes that correct, balanced shoeing underpins soundness. An annual whole-horse review that aligns vet, farrier, physio and SMS fitter is the surest route to a pain-free girth area.Action plan to get on top of girthiness this month:Week 1: Vet exam with gastroscopy and lameness/back assessment; farrier review if due.Week 2: SMS saddle fit and girth assessment; trial a wider anatomical/elasticated girth.Week 3: Implement gradual-girth routine and forage-before-work; track signs daily.Week 4: Review results with your team; adjust fit/management; progress training calmly.If you compete, discuss BEF-compliant prophylactic omeprazole use with your vet for higher-stress periods. Good preparation, steady feeding, and calm routines often reduce the need for long-term medications.FAQsIs girthiness always ulcers in my horse?No. Ulcers are the leading cause but not the only one. A retrospective study found gastric ulceration accounted for 37% of girth aversion cases, orthopaedic issues for 27%, and poor saddle fit for 8% (EquiManagement). However, in cohorts selected for ulcer signs, up to 92% scoped positive (Mad Barn). Thats why you should vet-check first.How do I tell if its saddle fit or pain causing girthiness?Girthiness with poor appetite, dullness or weight loss points to EGUS; girthiness mainly at tacking and early under saddle suggests fit. Look for performance changes like tail swishing, irregular gaits or tripping and book both an SMS saddle fit and a veterinary gastroscopy/lameness exam. See guidance from the BHS.Can girth type affect my horses behaviour?Yes. Higher girth tension shifts pressure towards the front of the saddle, increasing discomfort; anatomical, elasticated designs help distribute load more evenly (PMC study). Try a wider, shaped girth and tighten in stages.When should I call the vet for a girthy horse in the UK?Immediately, if girthiness comes with colic signs, weight loss, dullness or reduced performance. UK vets (via BEVA guidance) recommend prompt gastroscopy for suspected EGUS, particularly in performance horses (Oaklands Vet Centre).Does rugging cause similar issues to girthing?It can flag the same underlying pain. Grumpiness when rugging may reflect ulcers or back soreness; check rug fit and observe behaviour changes. See BHS advice on EGUS and handling-related irritability (BHS). For comfort through UK weather swings, choose breathable turnout rugs and well-fitted stable rugs.Whats the best way to tighten the girth without causing pain?Start loose for mounting, then tighten one hole at a time over 1015 minutes as you walk and warm up. Always balance both sides and use a wider, elasticated girth to reduce focal pressure. Feeding a small amount of forage 2030 minutes before tacking also helps.Which products actually help while I sort the root cause?Choose an anatomical/elasticated girth and a shaped pad from trusted brands like LeMieux or Shires, support gut comfort with options from our supplements range (including NAF), and keep your horse comfortable with season-appropriate turnout rugs or stable rugs. Use your grooming kit daily to monitor for heat or rubs, and consider boots & bandages during any rehab phase. Shop the Essentials Everything mentioned in this guide, ready to browse. Shop SupplementsShop NAF SupplementsShop Turnout RugsShop Stable RugsShop Shires