For the happiest dogs and the safest household, opposite sex dogs almost always do best together. Many same-sex combinations of dogs will fight, sometimes to the death. Those who work out a dominance order may not fare much better.
Should I get 2 dogs from the same litter?
Taking on two puppies from the same litter often results in what is known as littermate syndrome. The puppies will be bonded to each other and this will make them less likely to bond to you. The dogs may not listen to you and will be much harder to train.
Are dogs happier in pairs?
Dogs are social animals and usually happier around other dogs, but a second dog will never be a substitute for inattentive, absent or too busy owners.
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