Don't punish your dog for growling at the puppy. Growling is normal dog communication, and he is letting the puppy (and you) know he's had enough. Instead of punishing this important communication, calmly separate them.
Let your old dog growl and teach the young dog as long as it doesn't get out of hand. If the young dog is rude and the old dog growls, barks, chases the young dog, and pins him to the ground, that's fine.
It can take up to one month for an old dog and new dog to really settle in and accept each other's position in the pack. If you want a second dog, you need to be ready to commit to this process and not panic.
A dog might growl to threaten another dog, or it might be a response to feeling cornered. Growling is also a common symptom of resource guarding. An injured dog will often growl to keep others at bay. In these cases, and more, growling indicates something is bothering your dog.
In one posture, hold the pup over your head, firmly supporting him with both hands and stare into his eyes (staring is a dominant behavior to the dog). Maintain this position until the pup has been still for 10 seconds. He must be still for that length of time or he hasn't submitted to you.
Threat or Fear
This type of growl with a low volume and a deep, rumbling sound usually happens when a dog feels scared, possessive, or threatened. It is a warning growl that indicates their discomfort in a particular situation.
While many dogs will welcome a new puppy with open paws, others may growl, snap and try to get away from the puppy from the onset. However, it is very rare for an adult dog to hurt a puppy.
Let your dogs sniff each other and greet each other normally. Give them positive reinforcement through calm verbal affirmations. After letting them play for a while, put both dogs in a “sit” or “stay”, then let them interact again. Finally, take them on walks together, allowing them to sniff each other along the way.
The first reason an older dog might attack or not be fond of a young puppy is that they are territorial of their space. Your resident dog views your home as their turf, and therefore, the new puppy poses a threat to that—a threat that your older dog is uncomfortable with.
But two dogs living together is also about them getting on well together. Be alert for encouraging signs that the older dog is accepting the younger. This could be the older one wagging his tail when the pup approaches, or engaging in a game of tug.
Don't punish your dog for growling at the puppy. Growling is normal dog communication, and he is letting the puppy (and you) know he's had enough. Instead of punishing this important communication, calmly separate them.
Never Punish Your Pooch
If your older dog growls at the puppy, leave them be for a moment and try and reassure them both that all is well. If the growling continues, remove the puppy and put them in another room, then return to your older dog and give them more reassurance that everything is OK.
By demonstrating your leadership skills, you instill in both dogs the importance of listening to and following you. Now both dogs have something in common; both see you as the boss. Let your older dog see good things happen when the puppy is around. Give both dogs lots of treats and tons of praise for staying calm.
Introduction of a New Pet
Bringing home a new puppy or another adult dog can trigger jealousy in your dog, and they may show signs of aggression toward the new addition. Your dog might growl at the new dog, guard your lap, or try to get in between you and your new furry family member.
Puppies are energetic and want to explore each and every corner of the new home. This doesn't go well with the older dog as he doesn't want another dog in his space. Upon finding a puppy in his place, the older dog may growl or even snap as a sign of warning.
There is a TON of value in older dogs correcting puppies (and the pups need it!) but your older dog should not feel like they are constantly policing and entertaining the puppy...and that's what often ends up happening, unfortunately.
Don't push your dog over his tolerance threshold. Whatever you're doing, just stop. If your dog's growl threshold is near his bite threshold – that is, if there's not much time between his growl and his bite, get safe. If his growl doesn't mean a bite is imminent, stop what you're doing but stay where you are.
Growling is part of normal canine communication. People usually think of a dog's growl as a warning or as a sign of defense. Often, growling means that the dog needs space or is uncomfortable. However, growling is a complex vocalization that also occurs in other situations.
Dogs emit two primary growls: one for play and one for all other times when dogs are angry, a study confirms.
Most dogs assume a neutral or submissive role toward people, but some dogs will challenge their owners for dominance. A dominant dog may stare, bark, growl, snap, or even bite when you give him a command or ask him to give up a toy, treat, or resting place.