Introducing a new cat to an established group of resident cats can be challenging. Most experts recommend a slow, gradual introduction, similar to how wild cat colonies accept new members.

introducing a new cat


Wild cats recognize members of their own colony. Unfamiliar cats will be greeted with aggression if they try to approach and enter the group. This is not to say that non-members don’t join the colony from time to time. If these “outsiders” are persistent in their attempts to join the group, they may be accepted after a gradual process that involves many interactions (Reference 1).

I am in the process of introducing a new cat to my household. The introduction process is still ongoing but here is my progress so far.

Miso is 2 year old male domestic shorthair who had been frequenting the porch where my veterinarian employer leaves food out for the community cats. Miso behaved more like a stray cat and tried to get into the house. So, he was coaxed into a carrier, neutered and had dental treatment at the veterinary clinic where I work.

Miso is friendly toward humans and other cats. Although he is quite a bit younger than my cats, I thought it was worth a try to bring him into my group.

At the time of the introduction, there were 4 cats in my household and two social groups:

  1. Athena, aged 18 years, forms her own social group. She tolerates the other cats but does not snuggle, groom or otherwise interact with them.
  2. Marley, a 17 year old neutered male, 7 year old Gus, and 7 year old Zelda form the second social group. Zelda and Marley will snuggle together particularly when it is cold. Gus and Zelda allogroom; Gus and Zelda also groom Marley.

Getting Ready

 

Introducing a new cat starts with scent exchange. A few weeks before I brought Miso home, I brought home a blanket he slept on and left it in the kitchen area. All four cats carefully smelled it and there was some hissing but that waned over a week.

I made a barricade of closet shelving to close off the downstairs from my resident cats and set up a room downstairs for Miso to stay in with a litter box, scratching posts and food station.

 

Week 1

Miso is calm and confident and asks to go out of his room. He goes out into the catio downstairs. We set up a system of time-sharing the catio, allowing Zelda and Athena to occupy it in the morning while Miso is closed in his room. Miso has the catio in the afternoon.  At night, Miso is closed in his room.

Miso chooses to eat at the top of the stairs next to the barricade. The other cats are fed out of sight in the kitchen.

At the end of the week, I apply a mousse shampoo to Miso and wash his bedding, thinking that he might smell like the vet clinic.  I also put a multi-cat pheromone diffuser downstairs and 4 more on the upstairs floor.

Week 2 – Zelda gets sick

Zelda has diarrhea which I think may be due to the stress of having a new roommate.  The diarrhea  resolves with a few days of probiotics.  

The resident cats frequently hiss while passing Miso at the barricade but they now ignore him and continue on their way. We start to allow Miso upstairs while the other cats are in the catio.

At the end of the week, we allow Miso to have free run of the downstairs and not be closed in his room at night. The barricade is still up.

Week 3 – A Behavior Change for Gus

Miso was trained to harness and leash when at the vet clinic. I officially bring Miso upstairs on a leash and we have our first friendly interaction with the residents – Miso and Gus touch noses and there is no hissing.

Gus greets Miso

Miso is assigned a feeding station (a cat carrier) to eat in and is fed with the other cats. I get a little push back from Gus, who refuses to eat at his feeding station.  I offer him his food on his cat tree which he accepts.

Miso starts doing the evening food puzzle and treat toss with Zelda and Marley. Again, Gus prefers not to participate and does his food puzzles on his cat tree. The barricade is opened during the day near the end of the week.

 

Week 4 – Aggression from Athena

Athena swats Miso and we separate them temporarily, closing Athena in the bedroom. I put a broom near the door way with the water fountain so that I can herd Miso away in case he blocks Athena on her way to water.

There is still plenty of hissing going on but everyone’s body language is neutral. There are still 4 multi-cat pheromone diffusers on the upper floor.  Miso is allowed out in the catio with the other cats.  Everyone keeps their distance.

At the end of the week, Miso is allowed upstairs at night and chooses an empty carrier to sleep in.

Although the cats are sharing common areas now, the process of introducing a new cat is far from over. It will take many more months before all the cats are accustomed to the new resident and the changes in the daily routines.

Introducing a new cat into an established household is stressful for the incoming cat as well as the residents. Even with a gradual introduction, stress-induced illness, changes in routine, and displays of aggression are not uncommon. It is important to monitor the body language of all the cats, accommodate changes in behavior and be ready to separate cats if there is a scuffle.

references

  1. Crowell-Davis SL, Curtis TM, Knowles RJ. Social organization in the cat: a modern understanding. J Feline Med Surg. 2004 Feb;6(1):19-28. doi: 10.1016/j.jfms.2003.09.013. PMID: 15123163.

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cat gets harness and treat
Gus enjoys a treat while being harnessed

Training your cat to a harness and leash can come in handy even if you don’t plan to take him adventuring.

Training your cat to a harness and leash: Benefits


  • Enrichment for your cat
  • Extra security if you are traveling
  • Useful for introducing your cat to other animals

ENRICHMENT: With one of the broadest hearing ranges of any land mammal, a keen and discriminating sense of smell, and vision that tracks fast moving prey, the great outdoors is stimulating for a cat. Even if your kitty has a catio, leash time is special time, allowing him or her a chance to investigate new places and to spend time with you.

SECURITY WHILE TRAVELING: If you are traveling, having a leash and harness on your cat gives you some extra security during flight layovers, customs checks, or taking a break when driving. You can have an “extra hand” while changing soiled pads in the carrier or allowing your cat to stretch her legs.

INTRODUCING OTHER ANIMALS:  Once you have passed the scent swapping stage and feel the animals are ready for the next step, you can have the them “meet” with a barrier in between. Having your cat on leash and harness can give you more control over encouraging calm behavior around the new arrival. If your cat wants to “rush” the barrier, gentle pressure on the leash can slow this down and avoid a hostile encounter. The leash can help us model the appropriate behavior of a slow, non-aggressive approach to the newcomer.

Training your cat to a harness and leash


I often hear that “my cats acts as if she were paralyzed when I put a harness on her – she just flops downs and won’t move”. There are a number of videos on the internet of cats being dragged along by the leash while laying down.

A Better Way


  1. cat on leash
    Zelda walking indoors on her leash.

    Like any new item, introduce the harness and leash separately. Pick a highly valued treat and train when your cat is likely to want to eat.

  2. Let your cat sniff the harness and offer him a treat.
  3. Reward him for letting the harness sit on his back or for putting his paws through the arm holes.
  4. Secure the harness, reward and remove.
  5. Allow your cat to become accustomed to the harness being on for increasingly longer periods of time. Distract him with treats and toys. If he knows how to target, use the targeting stick to encourage him to move forward while wearing the harness.
  6. Once comfortable with the harness, add the leash. Work with kitty inside at first, with the leash attached but not being held. It is a good idea to have your cat get used to dragging the leash behind so if you drop it mistakenly, the dragging leash won’t frighten her. You can use treats, a target stick or a toy on a wand to encourage her to move forward.
  7. Pick up the leash and go for a walk! Start indoors and do some laps around the house.

Walking outdoors


Walking outside may not be for all cats. Cats who have spent most of their lives indoors may find the great outdoors overwhelming and frightening. It may never be their “cup of tea”.

To give this the best chance of success, start slowly. If you are just going to the backyard, start with brief trips outside in a carrier that is covered (have her harnessed and leashed). Leave the door open and let your cat smell and hear the outside. Let her come out on her own, if she wants to. Gradually work up to allowing her to meander around the yard with you at her side.

If you are planning on venturing further, it is wise to have a “mobile safe place” – a stroller or backpack. Introduce these items gradually but let your cat guide you – I have had cats that jumped right into the stroller and quickly learned that the stroller meant shade and safety.

Walking a cat vs walking a dog.


  • Cats do not have the stamina of dogs. Cats have evolved to move stealthily and quietly, with short intense bursts of activity: running and pouncing. They do not have the stiff-legged gait of horses and dogs, who can walk and trot for long periods of time – cats will get tired and will need some way of being transported.
  • Cats will want to run and hide when danger presents itself. The backpack or stroller will keep your cat safe and comfortable when on a walk.
  • Is your cat walking you? Walking your cat is often you going where she wants to go. If you feel you need to direct her path, target training can help.

An essential skill for the “adventure” cat is recall – train your cat to come when called. This can be invaluable if the worst happens and he somehow gets away. He most likely will hide and not respond at first – give him some time to calm down and let his training kick in. Keep calling him or giving him his recall cue.

 

Training your cat to a harness and leash can come in handy when traveling or introducing new pets. It also can strengthen your bond with your cat as you both enjoy the flowers in the garden together!

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Cat fence with rollers
Cat in fenced yard with Oscillot roller system. Courtesy oscillotamerica.com

It has become more and more common to keep cats solely indoors. Indoor cats live longer – they are not run over by cars, hunted by coyotes, or injured in cat fights.

However, there is a cost to this safety and security. Indoor cats have fewer opportunities to exercise and don’t receive the mental stimulation from hunting and exploring the outdoors.

Both cats and zoo animals are captives in the environments we provide for them. Like zoo animals, cats need enrichment to maintain their health and welfare. An outdoor safe place is a great way to enrich your cat’s life!

The compromise: Outdoor Safe Places


Do you live in an apartment? Or in a house with a backyard? There are many options available to you and your cat for an outdoor safe place.

 systems with netting – flexible


In these systems, a sturdy net or mesh is attached to rope or wire rope that forms a frame. The wire rope versions have turnbuckles to tension the mesh. Although some more nimble cats can climb this mesh, most cats seem to leave it alone. These systems can be customized to fit apartment balconies and porches, and enclose areas next to your house.

Cat enclosures


A commercial cat enclosure kit has access from a pet door in the sliding glass door.

These are basically outdoor cages. They range from portable to larger dog-kennels to elaborate enclosed systems with walkways linking cat doors to larger enclosures.
You could repurpose a standard freestanding dog kennel to be a cat enclosure but be aware that you have to secure the top with netting or mesh to keep the cat from climbing out and extend the fencing below ground to keep more adventurous cats from digging under the kennel.
Purrfect Fence sells enclosures consisting of a box-style frame with net stretched over it.
Purrfect Fence also markets a freestanding cat yard using supports, gates, and netting. This cat yard could enclose your entire back yard or just part of it. The netting forms a fence and there is no “ceiling”.
Each fence support has an arm that forms an overhang. Each arm is spring-loaded and buckles if a cat tries to climb over the netting fence, dropping him to the ground. Other vendors sell similar systems.

Have a backyard with an existing fence?


There are systems to cat-proof your fence by making it higher (6 feet or more) with an overhang that is difficult for cats to scale. The fence extensions are covered with sturdy netting. The Purrfect Fence extensions come with their spring-loaded arm. Deerbusters also sells fence extensions that are covered by netting.

Cons of netting


  • net can rip
  • clog with leaves or snow
  • trap birds or squirrels?

roller systems


If there is already a tall (6+ feet) fence around your yard, the Oscillot system could fit the bill! Oscillot is designed for fences 6’ and higher and can be adapted to a variety of fence types: wood, chainlink, masonry, wrought iron. The Oscillot System features x-shaped rollers at the top of the fence, that spin and prevent the cat from gaining traction to get over the top of the fence.

So far, we have been concerned with keeping our cats in but what about keeping other animals out?

Other critters….


You don’t have to live out on the range to have problems with raccoons and coyotes. These animals are increasingly becoming urban pests. Raccoons can climb as well if not better than cats and are not above viewing your cat as a snack. Coyotes are capable of jumping 6’ fences, so if you are concerned about coyotes or raccoons, a tall fence is in order and one of the roller systems can be effective.

Purrfect Fence observes that netting is difficult for predators to climb and once inside, they are trapped. They recommend giving a cat-free trial of  a new outdoor enclosure for a few days and see if any predators get trapped. Once trapped then freed, predators are unlikely to come back. Purrfect Fence does not recommend allowing your cat out in the fenced area at night.

Fully enclosed spaces (enclosures) should not have issues with predators although sometimes bats can find their way inside. Bats carry rabies so make sure your pets are up to date on their vaccines.

The low-tech Option…


Perhaps you can join your cat on a morning or afternoon walk in your backyard or neighborhood. After all, getting outdoors is good for us too! It never hurts to have your cat harnessed even in a fenced backyard – this way you can clip the leash on as needed. If you walk your cat in public places, make sure to have kitty in a harness with leash and  have a mobile “outdoor safe place” – stroller or backpack – with you.

 

A final word…


There is no substitute for supervision or training.  It is a good idea to keep an eye on your cats while they are in an outdoor safe place. Teach your cat to come when called. Remember, any time you call and your cat comes to you, make sure to reward him – no recall should ever go unrewarded!

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I have seen a lot of advertisements and posts recently on social media about taking your cat for a walk. This can be a source of enrichment for your cat; it is also be a great time to take photos of your friend and bond with her more.

Just like many humans, cats don’t like surprises. If you want to try taking your cat for a walk, be prepared to spend at least a few weeks preparing him.

 

What you need


 

  • A harness made for cats – these should be adjustable with comfortable padding to distribute the pressure on his neck and chest if he pulls against the harness
  • a leash – a leash about 4-6 feet long will work. I use an extendable leash with a bungee leash on the end in case my cat goes after a rabbit or mouse.
  • “treats for the trail”

cat with harness front view

 

Cat from the bacj

Training for the Trail: The Harness


  • Let your cat smell the harness.
  • Slide the harness over his head. Click, treat and remove.
  • Work up to clipping the back.
  • Leave the harness on for increasingly longer times.
  • MAKE THIS FUN – MAKE SURE TO REWARD HIM.

Training for the Trail: Walking Indoors


  • Practice walks inside – using the leash
  • if your cat has been trained to a target, get him to walk along for short distances on the leash following the target
  • Alternatively, toss a treat in front of him to get him to move forward

Taking Your Cat for a Walk: Choose the Place


  • A back yard or enclosed area is an ideal place to start
  • Choose a QUIET time for his first walks

Taking your Cat for a Walk: Venturing further Afield


  • your cat is a small animal who is a predator but is also prey
  • you must provide a safe place for your cat if predators or unwanted people show up
  • If you walk on sidewalks and paths, a pet stroller can be a wise investment
  • If you are more adventurous, a backpack can be a solution.

Cat in backpack

 

A Cat enjoys a walk in a stroller

Both backpack and stroller are best introduced to your cat with training. Your cat will soon figure out the stroller or pack means safety from dogs and sunshine.

Hazards of the “Trail”


Cat Fights


Strange cats: Feral cats are most likely not going to be around when you are out – they avoid humans and typically hunt during the evening and night time hours. Free-roaming pets or community cats present more problems. This is when you want to have your cat leashed.

Be attentive to your surroundings – your superior color vision can sometimes pick out strange cats before your cat is aware of them.  You may be able to put her in her stroller or pack  or take evasive action before there are any hostilities.

Monitor you cat’s body posture (tense, alert?) and vocalizations (low growl?) – these can indicate the presence of a strange cat.  Once your cat is aware of the stranger, AVOID picking him up.  Encourage the stranger to go away, while keeping a firm grip on the leash.

I have had a cat stalk us while I was walking Gus. I did encourage the strange cat to go away, verbally and with a well thrown pebble while keeping a firm grip on Gus’s leash.

Dogs


When I started walking cats around my townhome, I very quickly learned that many dogs are not well-trained – they escape their owners, leashes flying the breeze and make a beeline for your cat.

Offer the stroller or pack to your cat as a refuge.  Training your cat to sit when dogs approach can be helpful – if  your cat does not run, the dog usually will not chase them. 

Be calm and assertive to the approaching dog – firmly command them to “sit” or “down” or “stay” (common commands the dog may know).  Don’t turn your back on  on the dog; don’t stare directly at him.  Back away slowly. More tips..

Cars


Cars are terrifying – we need to get kitty into a safe place.

Train your cat to be picked up  so that you can hold her or put her in the stroller or pack. Cue is “up”, click  while lifting, and make sure to reward when you put her down.

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