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.
Your Current Dog's Gender
In general, when it comes to deciding whether you should get a male or female, opposite-sex dogs tend to work best. A male dog will have fewer issues with a new female dog, and vice versa. This has to do with dominance.
In some cases, two dogs of the same sex may get along fine, but some experts feel it is best to choose a new pup of the opposite sex. Same sex dogs may become rivals, and there is a greater chance of competition among the two. If you want to play it safe, team your female dog with a male counterpart and vice versa.
Most experts agree that, as a rule, male and female dogs get along better than two females or two males.
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.
Many people are hesitant to adopt a second dog because they assume it will be twice the work and twice the money. But the truth is, owning two dogs doesn't have to be more work – in fact, it can often be easier. And as for the cost, it will cost more money than one but not twice the amount.
They enjoy friendly interactions with familiar humans or other animals and tend to avoid isolation. That being said, every dog is different has its own temperament and preferences. Some dogs prefer to live alone with their owners, while others prefer having another dog friend in the house.
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.
Before choosing a new dog, think about what type will fit in with your existing family members - both two and four-legged. Does your home and yard have space for another dog? Do you have a large or small dog, and do you want to add a large or small dog? Do you have time to walk, feed, and play with another dog?
It can take up to one month for an old dog and new dog to really settle in and accept each other's position in the pack. If you want a second dog, you need to be ready to commit to this process and not panic.
So, if you get a 2nd dog, please make sure and socialize them on their own. Walk them on their own, take them to new places alone, and especially take them to the dog park without your other dog so they can be taught appropriate behavior by new dogs and not just rely on interactions with their sibling.
Many breeders recommend that your first dog be at least one-to-two-years old before you add a second to the family. If you have an old dog, they may not be physically able to play with or tolerate a pup.
Dogs Prefer Adults — Particularly Women
A dog's preference for one person — or type of person — over another has a great deal to do with socialization. Dogs don't, as a rule, dislike men, but most dogs are cared for by women, and are thus more comfortable around them.
Meyer. One of the most important rules of dog training is the two second rule. This is because dogs always live in the moment so TIMING IS EVERYTHING! Feedback must be given to your dog within two seconds of the behavior in order for him to understand what you are correcting or rewarding.
In dogdom, there's a turn of phrase called, "Second Dog Syndrome". This describes the process of adding another dog to the home quite well, but not necessarily in a positive light. As humans, we are bound to forget all of the time and effort it takes to raise a puppy right.
You should typically select a dog with the opposite gender as your current dog. Why you ask? In each pack there is usually a top male and top female dog. If you have one of each, they won't be vying for the same position.
Let your dogs sniff each other and greet each other normally. Give them positive reinforcement through calm verbal affirmations. After letting them play for a while, put both dogs in a “sit” or “stay”, then let them interact again. Finally, take them on walks together, allowing them to sniff each other along the way.
It's not exactly a father-and-son relationship, but the father will most likely interact and play with the young pups as he would other dogs or humans. Once the pups are completely weaned, the father may even show them the ropes, including play and mealtime etiquette, as well as social ranking in the pack.
Bringing home a new puppy or another adult dog can trigger jealousy in your dog, and they may show signs of aggression toward the new addition. Your dog might growl at the new dog, guard your lap, or try to get in between you and your new furry family member.
Depending on their past experiences, their temperament, age, and health, adding another pup might be stressful--for both your dog, and for you. Training two dogs can be tricky.