Bullmastiff and aggression. Types of aggression.


Your Bullmastiff is aggressive if it growls, postures or snaps and shows teeth. Aggressive dog is very dangerous for anyone around. It may lead to a serious dog bite. Those people around dog of the kind should always be on guard. Sometimes dog aggression is a single event and it can be long-term behavioral in nature.
There are many causes for dog aggression. They are the following:
  • Agonistic aggression. It occurs when there is a conflict between two dogs and one or both dogs may without cause exhibit aggression.
  • Barrier frustration aggression. This type of aggression may occur when a dog is tied up. In this case a dog may feel hopeless, unable to escape, so it becomes aggressive and ready to attack anyone.
  • Competitive aggression. If two dogs live under the same roof or in the same yard they may fight, over social status. Each dog wants to be top dog.
  • Displaced aggression. A dog that has been "thrown out" from its home, especially one that is walking the streets alone and frightened may show aggression towards anyone it meets.
  • Dominance aggression. Sometimes the dog thinks that  it is the leader of the home including people and shows aggression in order to keep everything under control especially in situation when the dog thinks there is some conflict that endangers dog's dominance.
  • Drug-induced aggression. It occurs when your dog takes medications with side-effects like aggression.
  • Encephalopathic aggression. It is a condition in the brain that causes aggression.
  • Fear-induced aggression. A dog that snaps, growls or bite is often scared and thinks that it protects its life in threatening situation. Dogs that have been abused are prone to aggression.

  • Food Guarding. Abused dogs that live on the streets, search for food hard and may not realize that humans give food and do not take it away. These dogs are afraid that people will take away food and show aggression towards them. This kind of aggression may also be towards dogs or other pets.
  • Wrong socialization. A dog that has been isolated and not socialized as a puppy can become aggressive as well.
  • Intra-sex aggression. It is aggressive behavior that dogs of the same gender show towards each other.

  • Irritability. When the dog is in pain it also shows aggressive behavior.
  • Maternal protective aggression. You can see this type of aggression when a female dog is protecting her young puppies.
  • Owner protective aggression. When the owner is being attacked by an intruder and dog defends him it is an appropriate behavior but it is not ok when dog growls at a parent who wants to kiss goodnight his kid thus inappropriately protecting the child.

How to curb your dog's aggression:


  • Always spend time with your dog. It should feel that you love it.
  • Teach your dog correct behavior.

  • Socialize your dog when it is a puppy.
  • Have your dog surgically sterilized to reduce its hormonal output that may cause aggressive behavior.
  • Do not physically punish your dog. It will fear you and show aggression towards you.
  • Keep children away from dogs that exhibit aggression. Small children should not be left alone around any dog.
  • If your Bullmastiff's behavior is constantly aggressive you should consult a professional trainer or vet to identify real cause of your pet's aggression. Do not deal with this problem on your own if you lack experience.