What is Littermate Syndrome? Littermate syndrome is an anecdotal term that refers to a list of behavioral issues occurring when two puppy siblings grow up in the same household...

Littermate Syndrome Studies

Is Littermate Syndrome Applicable to Cats? Although described by cat owners, the theory about littermate syndrome is not nearly as common amongst cats as dogs...

Is Littermate Syndrome Real? Some will say that littermate syndrome is a myth, and some will say that this dog sibling syndrome is very real indeed...

How to Avoid Littermate Syndrome?