Is your current cat likely to accept another cat?
It is so difficult to be able to predict whether a cat will accept another into its household. Cats, as a species, have become more socially flexible during the process of domestication to an extent, but individuals still vary hugely in how accepting they are of other cats. Furthermore, their ability to change their sociability is limited once they reach adulthood.
Scientists have identified some of the factors that influence how sociable a cat will be to other cats, but there are likely to be many more factors that still need to be explored.
Taking these factors into consideration, there are a number of areas that should be given careful thought before making the final decision as to whether to get another cat or not. These factors are all likely to interact rather than act in isolation, and therefore the more that are answered in favour of another cat, the greater the chances of a new cat being accepted.
Information about the current cat(s)
Answers these questions separately for each cat in your household and the potential new cat.
Is the cat male or female?
In unowned, free-ranging cats, groups of cats tend to comprise related females and their offspring. However, to date, the evidence is inconclusive as to whether the gender of the cat has an influence over its ability to get along with other cats when the cats are neutered.
Is the cat related to the other cats in the household or the new cat(s)?
Studies on both unowned, free-ranging cats and owned pet cats show that cats that are related tend to show more friendly behaviours to one another than those that are not. When getting cats are different time points, it may be very difficult to get two that are related but if you are considering obtaining two new cats at the same time, consider siblings.
Is the current cat neutered?
Unless your cat is used for breeding, all cats should be neutered to prevent litters of unwanted kittens. Furthermore, neutered cats are much more likely to get along with each other because there are no circulating sexual hormones. In males, such hormones can cause competition between cats and increase territory defence.
How is the health (physical and psychological) of the cat?
It is generally not a good time to get another cat if your current cat is unwell. Cats that are suffering from injury, disease or stress-related problems are likely to be in a period of self-protection and are more likely to find an additional cat distressing rather than enriching.
How old is the cat?
Generally, the younger the cat, the more likely it may be to accept another cat into its household. However, introducing a kitten or adolescent to an elderly cat could be problematic if the young cat directs much play towards the older cat, whose desire to play will be less. In such situations, two kittens who can play with one another may be a better option than a single kitten. However, the household must have the time and resources to cope with two additional kittens rather than just one.
How would you describe the cat’s temperament?
Temperament (personality) in cats has been well studied and just like people, cats differ. Some are bold and confident while others are timid and shy. While two timid cats may actively avoid one another or seek confidence from one another, two bold cats may clash by competing for resources. There is no set rule for which types of temperaments are most likely to get along but it is still important to take some time to think about the temperament of your current cat(s) and the new potential cat(s), particularly in terms of how they respond to new things and to change, and how sociable they are.
What do I know about the parents and the early experiences (first 12 weeks of life) of the cat?
The temperament of the kitten is shaped by both its genetics and the environment. Thus kittens born to parents that are sociable and friendly to other cats are more likely to be sociable and friendly to other cats as well. However, the environment also plays a big role. The period where cats are most receptive to learning about the social environment (including other cats) is the socialisation period which occurs between approximately 2 and 8 weeks of age. Kittens who have friendly encounters with other cats during this time are more likely to perceive other cats positively. Thus, a cat that was well socialised to other cats during this sensitive period is more likely to be accepting of other cats later in life. The chances of such acceptance are likely to be increased if the cat continues to have frequent, positive interactions with other cats throughout kittenhood, adolescence and into adulthood.
What are the cat’s previous experiences with cats as an adult?
It is true that a cat can learn to fear cats from just one negative experience. Negative experiences have very powerful effects on learning and memory. Thus, it is important to know if any of the cats have previously had any negative altercations with other cats and how this may have changed how the cat now behaves around other cats.
What are my current cat’s current experiences with cats?
If the cat currently lives with other cats, how is their relationship? If the cat has outdoor access, how does it behave towards other cats outdoors? If the cat behaves in any way anxious, fearful or aggressive, the addition of another cat(s) may exacerbate these negative emotions and behaviours.
Is my home and my lifestyle suitable for another cat?
Cats resources (resting and sleeping places, toileting facilities, food bowls, water bowls, toys and scratching places) are critically important to a cat and the type, number and distribution can greatly influence how a cat feels. Cats that do not consider themselves part of the same social group will find it stressful to share resources. It is important to recognise that just because cats share a household, does not necessarily mean they view themselves as part of the same social group. Therefore, when introducing new cat(s), it is vitally important they have their own resources. If you answer “No” to any of the following questions, then the likelihood of your cat(s) coping with a new cat(s) is diminished. The more “No’s”, the less likely your current cat(s) will learn that the new cat(s) is not a threat.
- have the time and resources to introduce them properly, eg, can I provide a room dedicated entirely to the new cat for the initial introduction period? (see ‘How to introduce a new adult cat to your cat’ or ‘How to introduce a kitten to your cat’).
- provide as many of each resource as there will be cats in the household?
- distribute each resource throughout the house, ensuring each one is separated from the others?
- ensure resources are placed so that one cat cannot block another’s entry or exit to that resource?
- give each cat individual attention in a form it enjoys (eg, play, stroking, grooming)?
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