American pit bull terriers are the worst dog breeds for kids due to their strength and fighting spirit.
Siberian huskies are the worst dog breed for cats due to their high prey drive and stubbornness.
Highly intelligent and fastest dogs are not good with children due to hunting instinct.
Beagle is not good with cats as these dogs can look to prey cats as hunting dog breeds.
A Jack Russell terrier's high energy level and fearless attitude are unsuitable for cats.
Medium-sized are worst, with cats not being kept together due to high prey drive and hunting instinct.
These small dogs are the most jealous and love human attention, and companionship may chase cats.