Introducing Your Pet to Other Animals

Please see below for some guidance on how to successfully introduce your new pet to the other animals in your household. Following these guidelines will set everyone up for a safe and successful introduction. The first section is for cats, followed by dogs.

Introducing Your CAT to Other Pets

Let your new cat settle in before you attempt to introduce them to other pets you have. Keep them in their own room until they start feeling comfortable with you and their new house. The introduction to other pets needs to be slow & at the animal's pace. Some pets will become firm friends almost immediately, however it is common for resident pets to be upset at the arrival of a new pet for weeks or even months. This is completely normal behavior & needs to be met with sensitivity & understanding. The worst thing you can do is rush the situation.

Tips:

  • Set up a comfortable "safe room" for New Cat. Put her food, water, litter box (not near the food), scratching post, toys, and bed there.

  • Expect a great deal of "hissy-spitty" behavior through the closed door from both cats. This is natural and normal; they are just starting to explore their "pecking order."

  • Scent is very important for cats. Let each of them smell the other indirectly, by rubbing a towel on one and letting the other smell it. They will soon accept the scent as a normal part of the house.

  • Once or twice, switch roles. Put New Cat in the normal living quarters, and let your resident cat sniff out the new cat's Safe Room.

  • After a day or so, let the two cats sniff each other through a baby-gate or through a barely-opened door. Gauge the rate at which they seem to be acclimating to each other.

  • When you think they're ready, let them mingle under your supervision. Ignore hissing and growling, but you may have to intervene if a physical battle breaks out. Again, take this step slowly, depending on how quickly they get along. If they do seem to tolerate each other, even begrudgingly, praise both of them profusely.

  • Make their first activities together enjoyable ones so they will learn to associate pleasure with the presence of the other cat. Feeding (with their own separate dishes), playing, and petting. Keep up with the praise.

  • If things start going badly, separate them again, and then start where you left off. If one cat seems to consistently be the aggressor, give her some "time out," then try again a little bit later.

The introduction can take from two hours to six months, so don't be discouraged if your cats don't seem to get along well at first. Often the case is that they will eventually be "best buddies."

Factors to Consider:

  • If you are thinking of getting a kitten to keep an older cat company, you might want to consider two kittens. They will be able to keep each other company while the older cat learns to love them.

  • If you already have more than one cat, use the "alpha cat" for preliminary introductions. Once he/she accepts the newcomer, the other resident cats will quickly fall in line.

  • Lots of snuggle-time and attention is indicated for all cats concerned during this period. Remember, the prime goal is to get them to associate pleasure with the presence of each other.

Source: http://cats.about.com/cs/catmanagement101/a/introducecats.htm  

 

Introducing Your DOG to Other Pets

Like most animals who live in groups, dogs establish their own social structure, sometimes called a dominance hierarchy. This dominance hierarchy serves to maintain order, reduce conflict and promote cooperation among pack members.

The resident dog may not be accustomed to having other dogs in his home or he may not appreciate having to share your attention. First impressions are important, so you’ll need to do what you can to maximize the chances of success.

Choose a neutral location

Introduce the dogs in a neutral location so that your resident dog is less likely to view the newcomer as a territorial intruder. Each dog should be handled by a separate person. With both dogs on leashes, begin the introductions in an area unfamiliar to each, such as a park or a neighbor's yard.

Do not hold the puppy in your arms for the adult dog to greet. This may cause the puppy to feel trapped and threatened. Instead, stand with your feet slightly apart so the puppy can take refuge between your feet if he feels overwhelmed. Do not permit the older dog to trample, bowl over, or otherwise intimidate the puppy.

Use positive reinforcement

From the first meeting, help both dogs experience "good things" when they're in each other's presence. Let them sniff each other briefly, which is normal canine greeting behavior. As they do, talk to them in a happy, friendly tone of voice; never use a threatening tone. (Don't allow them to investigate and sniff each other for too long, however, as this may escalate to an aggressive response.)

After a short time, get the attention of both dogs and give each a treat.  Take the dogs for a walk and let them sniff and investigate each other at intervals. Continue with the "happy talk," food rewards, and simple commands.

Be aware of body postures

One body posture that indicates things are going well is a "play-bow." One dog will crouch with her front legs on the ground and her hind end in the air. This is an invitation to play, and a posture that usually elicits friendly behavior from the other dog. Watch carefully for body postures that indicate an aggressive response, including hair standing up on one dog's back, ears back, teeth-baring, deep growls, a stiff-legged gait, or a prolonged stare. If you see such postures, interrupt the interaction immediately by calmly getting each dog interested in something else.

Taking the dogs home

Before you bring the new puppy or dog home, remove anything your resident dog might guard, such as food bowls, bones, chew toys, toys, and beds. Even if your dog has never exhibited possessive tendencies before, it is best to exercise caution.

When the dogs seem to be tolerating each other's presence without fearful or aggressive responses, and the investigative greeting behaviors have tapered off, you can take them home. 

If you have more than one resident dog in your household, it may be best to introduce the resident dogs to the new dog one at a time. Two or more resident dogs may have a tendency to "gang up" on the newcomer.

It is important to support the dominant dog in your household, even if that turns out to be the newcomer. This may mean, for example, allowing the dominant dog to claim a special toy or favored sleeping spot as his own. Trying to impose your preference for which dog should be dominant can confuse the dogs and create further problems.

Let the resident dog off the leash first. Permit the new puppy or dog to explore the room or house on the leash. If the resident dog acts in a friendly manner, let the new pet off the leash.

Always supervise interactions between the dogs until they have been friendly with each other for one to two weeks. They should not be alone together before then. Keep your mealtime, bedtime, walk and play routines the same as before the new dog arrived, so things don’t seem too different for the resident dog.

Introducing puppies to adult dogs

Puppies usually pester adult dogs unmercifully. Before the age of four months, puppies may not recognize subtle body postures from adult dogs signaling that they've had enough. Well-socialized adult dogs with good temperaments may set limits with puppies with a warning growl or snarl. These behaviors are normal and should be allowed.

Adult dogs who aren't well-socialized, or who have a history of fighting with other dogs, may attempt to set limits with more aggressive behaviors, such as biting, which could harm the puppy. For this reason, a puppy shouldn't be left alone with an adult dog until you're confident the puppy isn't in any danger. Be sure to give the adult dog some quiet time away from the puppy and some extra individual attention as well.

Source: The Humane Society of the United States