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When you bring your cat or kitten home, confine it to one room in the house with his litter box and food and water dishes to allow it to acclimate to its home in a quiet, unhurried manner. Of course, make sure you spend a few hours interacting with the cat to help him feel at home. After a few days, let your cat explore the rest of the house. If you have a kitten, you may want to keep it confined to the main level of the house until he can manage stairs on his own. Most cats are easy to potty train, as long as they know where their litter box is located and they are able to access it easily. One major choice you need to make is which type of litter to use. There are many types of litter available: clumping, clay, silica based, and plant based (such as pine or wheat).  You need to show your cat the litter box immediately when it arrives in your home. Cats tend to have a natural instinct to go to the bathroom in litter and usually are shown how to do it by their mother. By the time you bring home a kitten, it should have a good idea of what it is supposed to do. It just needs to know where the box is and it needs access to the box. Most cats prefer the fine-grained, unscented litters. An unscented scoopable litter meets this standard, as it probably has a softer feel on its paws. However, you may find your cat prefers a different litter type, especially if it has used a particular style since kitten hood.  If you find a litter that your cat likes, keep with that kind or your cat may decide to relieve itself elsewhere. Clean the box daily so your cat has a fresh, inviting bathroom. While training a cat the same way as a dog is trained won't usually work, you can teach your cat some things. Teach it to play simple games and what it should, and shouldn't, scratch on. For example, set up an agility course for the cat in your living room and clicker train it to go through it. You can even teach an Abyssinian to walk outside on a leash! Provide a scratching post. To keep your furniture and wood trim safe from cat scratching, provide your Abyssinian with a scratching post or similar item to scratch. Scratching is a normal, healthy activity to help remove the dead outer part of the claws, to let the cat mark its territory, and to give it necessary exercise. If you catch your cat using a non-acceptable item as a scratching post, do not yell or hit the cat. Instead, pick it up and place it near the scratching post. To keep the cat from using unacceptable items you can use a cat deterrent spray, especially those with the smell of citrus, to keep them away from these items. Abyssinian cats are very smart, and so they need to be entertained and stimulated mentally. This does not mean that the cat will always be in the mood to play with you, but you should try to when the cat acts interested. Laser pointer toys are a great way to exercise your cat. They are also a good way to have some fun with your cat. Have a bunch of toys available to your cat, so that it hopefully plays with them instead of getting into trouble. Provide puzzle feeders and balls and mice to keep your cat occupied.  Place a bird feeder outside your window where the cat can see it. This could potentially entertain your cat for hours.  Get the cat a cat tree to climb. It would be good to place it in front of a window, so it can climb and get a good view at the same time.
Introduce a new kitten or cat to its home gradually. Train your cat to use its litter box. Teach your cat basic skills. Play with your cat. Provide stimulation for your Abyssinian, even when you are not home.