When puppies play with each other, they use their mouths. Therefore, puppies usually want to bite or "mouth" hands during play or when being petted. With puppies, this is rarely aggressive behavior in which the intent is to do harm.
Because puppies are highly motivated to exhibit this type of behavior, attempts to suppress it or stop it are unlikely to be successful unless you give your puppy an alternative behavior. The goals of working with this normal puppy behavior are to redirect your puppy's desire to put something in her mouth onto acceptable chew toys and to teach her to be gentle when a hand is in her mouth.
Redirect your puppy's chewing onto acceptable objects by offering her a small rawhide chew bone or other type of chew toy whenever you pet her. Rawhide and other bones should only be given when you can monitor your puppy to prevent choking.
This technique can be especially effective when children want to pet her. As you or the child reach out to scratch her behind the ears (not over the head) with one hand, offer the chew bone with the other. This will not only help your puppy learn that people and petting are wonderful, but will also keep her mouth busy while she's being petted. Alternate which hand does the petting and which one has the chew bone. At first, you may need to pet or scratch your puppy for short periods of time, since the longer she's petted, the more likely she is to get excited and start to nip.
You must also teach your puppy to be gentle with hands, and that nipping results in unpleasant consequences for her. Teach your puppy that nipping turns off any attention and social interaction with you. After a nip, look your puppy right in the eye, and yell, "Ouch!" as though you've been mortally wounded, then ignore her. Leave the room if you must, but ignore her until she's calm, then try the chew bone and petting method again. It's even better if you can coax your puppy into a sitting position using food. It may take many repetitions for her to understand what's expected.
Nipping and mouthing hands can also be discouraged by loosely holding your puppy's lower jaw between your thumb and forefinger after she's taken your hand in her mouth. Don't hurt her by squeezing too hard, just gently hang on so that wherever her mouth goes, your hand hangs on. This will quickly become tiresome and she'll eventually pull away. After several seconds, release her jaw, but continue to offer her your hand. If she licks or ignores it, praise, pet and offer a tidbit. If she closes her mouth on your hand again, repeat the procedure.
A third alternative is to wear cotton gloves coated with a substance with an unpleasant taste such as Bitter Apple. In this way, your puppy will learn that "hands in mouth taste bad." For this method to work, every time she nips your hand she must experience this bad taste. The possible disadvantage to this method is that your puppy may learn hands with gloves taste bad and those without gloves don't.
Remember that any of these three methods will probably not be effective unless you work hard to teach your puppy the right behavior by offering her an acceptable chew toy.
When your puppy jumps up on you, she wants attention. Whether you push her away, knee her in the chest or step on her hind legs, she's being rewarded for jumping up even though it's negative attention, she's still getting what she wants, your attention.
When your puppy jumps up:
When your puppy realizes that she gets no attention from you while she's jumping up, but does get attention when she stops jumping up and sits, she'll stop jumping up. Remember, once you've taught her to come and sit quietly for attention, you must reward her behavior. Be careful not to ignore her when she comes and sits politely, waiting for your attention.
Attempts to tap, slap or hit your puppy in the face for nipping or jumping up are almost guaranteed to backfire. Several things may happen, depending on your puppy's temperament and the severity of the correction:
Never play tug-of-war or wrestling games with your puppy if you're having a nipping problem. These types of games encourage out-of-control behavior, grabbing, lunging and competition with you. These aren't behaviors you want her to learn.
It's very difficult for children under eight or nine years old to practice the kind of behavior modification outlined here. Children's first reaction to being nipped or mouthed by a puppy is to push the puppy away with their hands and arms. This will be interpreted by the puppy as play and will probably cause the puppy to nip and mouth even more. Dogs should never be left alone with children under 10 and parents should monitor closely all interactions between their children and dogs.
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