For convenience, we will refer to your dog as “she” rather than “he or she”.
Many owners at some stage or other will consider getting a second dog, particularly if their first dog is somewhat shy and would benefit from the companionship of owning two dogs. If the new companion is friendly, with an outgoing personality and with an enthusiasm and excitement for living, this will complement and balance any hesitancy or shyness on the part of your existing dog. There are a number of attributes you might look for and consider in selecting a second dog, such as:
1 Opposite Sex.
It is usually found that dogs of the opposite sex become good friends and cause the minimum of discord. It should be remembered however that it is important that they should have personalities which do not clash and this may well be a more important consideration than gender. This is particularly important if they are left on their own during the week days.
2 Similar Size and Breed.
Many owners know from experience that their present dog is likely to more readily accept a new companion of the same size. If her new companion is much bigger than she is then she is likely to feel nervous and overwhelmed. The assimilation is likely to be smoother still if the new dog is of the same breed, or at least has the same general appearance as your dog.
3 Personality and Behaviour.
The new relationship is more likely to be smooth and successful and lasting if your new dog is confident and friendly, but not aggressive. Your new dog should be bold and inquisitive and gregarious. If your first dog is a little timid and withdrawn then she will benefit from having her new friend as a daily companion.
4 Age
Experienced owners realize that fewer problems occur and a healthier, lasting relation can be expected to occur, if your new dog is younger that your present dog. In this case she is far less likely to be upset or apprehensive about her changed circumstances. There are however many other things to bear in mind, such as the characters and individualities of the two.
No matter how careful and thoughtful you are in considering the characteristics of the household with two dogs, you would need to be especially alert and flexible so as to be ready to adjust to unexpected consequences and small problems which are bound to occur. In the end few, owners regret their decision to introduce a second dog to the household.
We wish you every training success and years of enjoyment for both you and your dog.