Why summer turns a dirty bottom into an emergency
Flystrike happens when flies lay eggs in soiled or damp fur around a rabbit's rear, and in warm weather those eggs can hatch within hours into maggots that feed on the skin. It moves frighteningly fast, it is intensely painful, and it is largely preventable, which is why the summer bottom check is one of the most important habits a rabbit owner can build. Rabbits are at greatest risk when droppings stick to the fur, urine scalds the skin, or the rabbit cannot reach to clean itself, as happens with overweight rabbits, older rabbits with stiff backs or sore hocks, and any rabbit producing soft, uneaten night droppings that smear into the coat. A clean, dry, healthy rabbit inspected twice daily gives flies almost no opportunity.
How to do the check thoroughly
Pick a calm moment and support your rabbit securely on your lap or on a towel on a low surface; never dangle a rabbit by its middle, and work with a helper for a strong kicker. Gently tip the rabbit's rear towards you or roll it carefully onto a supported tilt so the underside of the tail, the scent glands either side, and the skin between the back legs are visible. Part the dense fur with your fingers, because eggs are tiny, pale and easily hidden, and feel as well as look: dampness, matted clumps, heat, swelling or a sweet-sour smell all matter. Check the rest of the rabbit briefly too, since an open wound anywhere can attract flies, then let your rabbit recover its dignity with a favourite leaf. In the height of summer, twice a day is the standard to hold; once is the absolute minimum on cooler days.
Keeping the rear clean between checks
Prevention is mostly housekeeping. Remove wet bedding and soiled litter daily so your rabbit is not sitting in dampness, and keep the living area as fly-discouraged as you reasonably can with clean conditions and prompt removal of uneaten fresh food. If the rear is soiled, clean just that area with a damp cloth or a shallow rear-only wash, then dry the fur completely, because a freshly washed but still damp bottom is briefly more attractive, not less. Matted fur that traps moisture against the skin can be carefully trimmed, keeping the skin flat and blades away from its surface, or clipped by a groomer or vet if it sits close.
Look upstream as well. Recurring soft droppings smeared into the coat often trace back to a diet too rich in pellets or fruit and too short on hay, or to teeth that make eating hay painful. A rabbit who keeps getting dirty is telling you something, and a check-up that reviews diet, weight and teeth protects better than any amount of wiping.
If you find eggs or maggots
Act immediately. Visible maggots on a rabbit are a veterinary emergency at any hour, because damage under the fur is usually worse than what you can see and shock can follow quickly. Remove any maggots you can see with tweezers, keep the rabbit warm, dry and indoors away from further flies, do not soak the area or apply household products, and get to a veterinarian straight away, phoning ahead so they expect you. A rabbit who is quiet, off food or has a wound in fly season deserves that same urgent call even if you cannot see maggots, since early cases hide deep in the coat.
No single person should carry a twice-daily promise alone all summer, and KinsLe Care Teams lets you split the morning and evening bottom checks between helpers with a timestamp on each, so a missed check is visible the same day.