If there isn't any thick white or colored discharge, noisy breathing, or difficulty breathing or mouth breathing (an emergency), to indicate a bacterial infection or pneumonia, I would suspect something dusty in their environment like the hay as Lokin4AReason mentioned. Also anything with a strong scent like cleaners, fabric washed with scented detergents, etc, are possible culprits.
Ever wondered if you rabbit could be sensitive to something leaving them to become allergic to it? Learn about the signs to look out for and some ways to fix it so they continue living a happy and healthy life.
www.rabbitholehay.com
Creating better tomorrows for all pet rabbits Rabbit Snuffles Rabbits don’t get colds – this is serious. Snuffles is a bacterial infection in rabbits. It can be caused by more than one sort of bacteria. The most common is Pasteurella multocida but other common culprits are Bordatella (kennel...
rabbitwelfare.co.uk