A Rabbit Gut Is Built to Never Stop
Rabbits extract nutrition from hay through a hindgut that depends on near-constant fibre intake, and the system has no pause button. When a rabbit stops eating, gut movement slows, gas builds, pain increases, and appetite drops further in a spiral rabbit owners know as gut stasis. That is why a rabbit who has eaten nothing today is not a watch-and-wait case in the way a fussy cat might be; he needs a rabbit-savvy vet today, and the home checks below exist to inform that call, not to replace it.
Separate the rabbit who skipped a meal for a reason from the rabbit in trouble by looking at output and posture. A bright rabbit who is still passing normal droppings, moving around, and investigating greens may have been rattled by a fright, a moved run, fireworks, or a bonded partner's trip to the vet. A rabbit sitting hunched in a corner, pressing his belly to the floor, grinding his teeth audibly, or producing tiny, dwindling droppings is in pain until proven otherwise.
Droppings Tell the Story Faster Than the Hay Rack Does
Check the litter tray and his usual corners and count honestly. Healthy rabbit droppings are round, dry, and abundant, with uneaten caecotrophs rarely seen because rabbits consume them directly. Droppings that have become small, misshapen, strung together with hair, or absent over several hours confirm the gut is slowing. A swollen, tight belly or one that sounds hollow and gassy, combined with no droppings, raises the call to urgent.
Teeth are the most common hidden driver. A rabbit's molars can develop spurs that lacerate the tongue, so he wants to eat, approaches hay, then gives up, drools, or manages soft greens while refusing long strands. Front teeth you can see are only the opening chapter; the painful teeth sit at the back and need proper examination. Weight loss over recent weeks, a wet chin, or selective eating that crept in before today's refusal all fit that pattern and belong in your report.
Pain elsewhere also stops a rabbit eating: a sore back, an injury from a jump, bladder discomfort, or an infection brewing out of sight. Note anything that changed, from a new hay bale he dislikes to a fox sighting in the garden, because stress and pain can look identical from outside and the vet will work through both.
What to Do While the Vet Call Is Happening
Put his favourite fragrant hay directly in front of him where he is sitting, offer a familiar leafy green rinsed and damp, and make sure water is available in a bowl as well as a bottle, since sick rabbits often drink more readily from a bowl. Keep him warm, quiet, and in familiar surroundings with his bonded companion if they are calm together. Gentle encouragement to move around his usual space can help a gassy gut, but never chase or stress him into exercise.
Do not syringe feed a rabbit who might be blocked, bloated, or struggling to breathe, and do not offer sugary treats, fruit, or a muesli-style mix to tempt him; sugar feeds the wrong gut bacteria at exactly the wrong moment. If he nibbles hay and produces droppings while you wait for the appointment, that is genuinely good news to report, not a reason to cancel.
The Standard Is Simple: Seen Today
A rabbit who has eaten nothing today, whose droppings have shrunk or stopped, who grinds his teeth, sits hunched, or has a tense swollen belly should be examined today; difficulty breathing, collapse, or a rabbit who is unresponsive is an emergency journey. At the clinic, expect a dental check, abdominal assessment, and questions about hay intake, greens, pellets, and recent droppings that reward precise answers.
Bring those answers ready: hay type, how much disappears on a normal day, his greens rotation, pellet amount, last normal droppings, and recent weight. Held in one place in KinsLe's Pet Passport, that grazing history lets the vet judge how far and how fast his gut has slowed the moment the examination begins.