singapore rabbits

bordetella risk in homes with dogs or cats

updated 19 May 2026

many Singapore households keep rabbits alongside dogs or cats in the same HDB flat. space is shared, airflow is shared, and animals often roam the same rooms. what many owners do not realise is that bordetella bronchiseptica, the bacterium behind kennel cough in dogs and certain respiratory infections in cats, can also infect rabbits. in a compact SG home with year-round humidity and limited fresh-air exchange, the conditions for bacterial spread are close to ideal. this is not a reason to panic. it is, however, a reason to understand the risk before a problem starts.

what is bordetella bronchiseptica

bordetella bronchiseptica is a gram-negative bacterium that colonises the upper and lower respiratory tract. it is the primary cause of kennel cough, also called infectious tracheobronchitis, in dogs. in cats it can cause sneezing, nasal discharge, and conjunctivitis. in rabbits, it is one of several bacteria capable of causing serious lung and airway disease.

rabbits are not the primary host for this bacterium. they can contract it from a dog or cat that is actively shedding it, even before that dog or cat looks obviously sick. in some rabbits, bordetella sits quietly in the nasal passages for a period before triggering visible illness. in others, especially those already stressed or immunocompromised, it can escalate quickly.

how bordetella spreads between species in the same home

the main transmission route is respiratory droplets. a dog coughing nearby or a cat sneezing across the room releases bacteria into the air. rabbits breathe that same air. direct nose-to-nose contact is a higher-risk scenario, but shared air in a small flat is enough.

secondary routes include hands. if you pet your dog and then immediately handle your rabbit, your hands carry whatever was on the dog’s coat or nose. shared bowls, bedding placed in the same laundry pile, and shared grooming tools are other vectors owners overlook.

in a typical SG HDB flat, separating air spaces between animals is almost impossible. AC units recirculate room air. open doors between rooms allow aerosols to travel freely. if your dog came back from a grooming salon or boarding facility with kennel cough, the risk to your rabbit rises the moment the dog walks back in.

cats that go outdoors or socialise with other cats in common areas of an HDB block can also become carriers. bordetella in cats does not always produce obvious symptoms. your cat may appear completely healthy while still shedding bacteria. this silent carrier state is one of the harder aspects of managing risk in a multi-pet home.

signs your rabbit may be infected

symptoms of bordetella in rabbits overlap significantly with pasteurella multocida, the more common cause of snuffles. you cannot distinguish them by observation alone. what to watch for:

  • nasal discharge, watery at first, becoming thicker or discoloured over days
  • sneezing, sometimes in short rapid bursts several times an hour
  • noisy or laboured breathing
  • reduced appetite or complete refusal to eat
  • lethargy, hunched posture, reduced grooming

urgent: if your rabbit is breathing with its mouth open, has blue or pale gums, or appears to be gasping, do not wait. rabbits are obligate nasal breathers. open-mouth breathing is a sign of severe respiratory compromise and requires immediate veterinary attention.

a SG exotic vet will need to examine your rabbit in person. in some cases they will recommend a nasal swab, culture, or chest X-ray to identify what is causing the symptoms. do not try to manage respiratory symptoms at home with guesswork. rabbits deteriorate quickly once a respiratory infection is established.

as of 2026, an initial exotic vet consultation in Singapore typically costs between SGD 60 and SGD 120. diagnostics, cultures, and medications add to this. after-hours emergency consultations at clinics willing to see rabbits can cost more. exotic vet access in Singapore is more limited than general dog and cat clinics, so knowing where to go before a crisis is worth doing now.

why Singapore homes carry extra risk

Singapore’s climate sits at 28 to 32 degrees Celsius with humidity between 70 and 90 percent year-round. warm, humid conditions favour bacterial survival both in the air and on surfaces. a poorly ventilated room compounds this. many owners keep windows closed to run AC, which reduces fresh air exchange and keeps recirculated air moving between animals.

HDB flat layouts typically mean one main living area where both rabbits and other pets spend time. most rabbit owners do not have a dedicated sealed room for their rabbit. corridors, living rooms, and sometimes bedrooms are shared spaces.

there is also the matter of vet availability. Singapore has fewer exotic vets experienced with rabbits compared to the number of general dog and cat clinics. this means response time in an emergency can be longer if you have not already identified a vet who sees rabbits. finding that information at 10pm on a Sunday when your rabbit is in distress is the worst time to start looking.

practical steps to reduce transmission risk

you do not need to choose between your pets. targeted precautions bring the risk down substantially.

separate animals at the first sign of illness. if your dog shows a honking cough, retching, or nasal discharge, move the rabbit to a separate room with the door closed that same day. do not wait for a diagnosis. this is the single most effective step.

wash your hands between animals. twenty seconds with soap between handling your dog and touching your rabbit, its food, or its enclosure removes bacteria from your skin.

increase ventilation near the rabbit’s area. if there is a window nearby, open it when weather permits. a small fan drawing fresh air through the room dilutes airborne bacteria more effectively than still air.

clean shared surfaces regularly. bordetella can survive briefly on hard floors and counters. a pet-safe disinfectant used on surfaces where your dog or cat walks before the rabbit is let out is a reasonable precaution during high-risk periods.

vaccinate your dog against bordetella. the bordetella vaccine for dogs is available at any SG general vet clinic and is often included in standard annual vaccination packages. it does not eliminate shedding entirely, but it significantly reduces the bacterial load. there is no bordetella vaccine approved for rabbits in Singapore as of 2026.

track your dog’s recent movements. a dog that attended a boarding facility, grooming salon, dog run, or spent time with unfamiliar dogs in the past two weeks has higher exposure risk. that is a window to be more cautious about contact with your rabbit.

what owners often get wrong

watching and waiting when symptoms first appear. a rabbit that sneezes a few times might be reacting to dust. but sneezing with any nasal discharge, especially alongside a sick dog or cat in the same flat, warrants same-day or next-day vet attention. the watch-and-wait habit that works for minor issues does not apply to respiratory illness in rabbits.

assuming a healthy-looking cat is not a risk. cats that carry bordetella without symptoms are documented. if your cat recently had any upper respiratory illness or goes outside the flat, it may be a silent source. tell your vet about all animals in the household, even those that look fine.

misreading normal sneezing as a respiratory problem, or vice versa. occasional isolated sneezes are normal. frequent sneezing, especially in clusters, with or without discharge, is not. the error goes both ways. some owners over-diagnose dust reactions, while others dismiss genuine infection symptoms as normal rabbit behaviour.

waiting to separate animals until the rabbit is already symptomatic. by the time your rabbit shows respiratory signs after a sick dog or cat has been in the flat for several days, exposure has already happened. separation is most useful when it is pre-emptive, as soon as you know your dog or cat is unwell.

community-sourced information here is not veterinary advice. for any health concern see a licensed SG exotic vet.

community-sourced information, not veterinary advice. for medical issues, see a licensed SG exotic vet — start with our vet directory.

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