This posturing is accompanied by prowls and very loud howling. Cat owners and their neighbors often hear these vocalization duels at night. Then, one cat may leave very slowly or one or both cats may attack. Sometimes an attack will result in only one bite. Because cat bites frequently become infected, however, a single bite can be very serious and can even lead to death.
Castration usually prevents or stops inter-male fighting, particularly if both males are neutered.
The effectiveness of castration does not seem to be related to the age of the cat or how long it has been fighting. A small percentage of castrated males continue to fight with other males. The advantages and disadvantages of drug therapy should be discussed with a veterinarian. Territorial Aggression . Territorial aggression between cats in a household usually develops slowly and gradually.