Coccidia are tiny single-celled parasites that live in the wall of your dog's intestine. They are found more often in puppies, but they can also infect older dogs and cats. Dogs become infected by swallowing soil that contains coccidia or other substances in the environment that may contain dog feces.
Is coccidia in dogs contagious to other dogs?
Coccidia is contagious between dogs. Fortunately, the protozoa are host-specific, so while cats can become infected with certain subspecies of Isospora, your dog cannot pass the disease to cats in the household.
How long does it take for coccidia to show up in dogs?
They lie in the environment and eventually sporulate (mature) into a more developed oocyst which can infect the dog again. Other dogs, cats, or mice may also become infected. This process can occur in as little as 6 hours, but it usually takes 7-10 days.
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