Canine human directed aggression is a common reason for owners to request a behaviour consultation. Human directed aggression is not always motivated by the desire to control but is often associated with underlying anxiety, conflict, and poor communication or the lack of clear rules and structure...

Aim: of this research was to classify the distinct types of canine aggression registered by the public veterinary service in a sanitary district of Liguria, Italy (ASL 5 Spezzino, La Spezia - Italy). The data sheets of biter dogs, recorded in the registers of ASL 5, also containing a space to...

Prevalence of different aggression types and some related risk indicators were studied in 434 dogs presented to the School of Veterinary Medicine at Shiraz University over a one-year period (From March 2010 to June 2011). After taking case histories and examining all dogs, related questionnaires...

The aim of the study was to test whether aggressive actions among piglets could be redirected by an automatically generated sound signal followed by a sweet food reward. Per round, four litters of 25-day-old piglets (BHZP breed) were trained 5 times per day over 8 days to expect a sweet feed reward ...

This article discusses the types of aggression in 12 categories namely maternal, territorial and protective, inter-dog, redirected, food-related, possessive, predatory, idiopathic, dominance, pain, fear, and play. Also the prognosis, which is worse the more types of aggression that the animal...

It is suggested that successful treatment for aggression in dogs requires recognition of different types of behaviour, and of the circumstances that lead to the aggression. A classification is presented that distinguishes 12 types of aggression: dominance, fear, protective and territorial,...

A 2-year-old Yorkshire Terrier was referred because of increasing aggression over 1.5 years to a second family dog which was a 13-year-old Lhasa Apso spayed bitch. A detailed history showed that the aggression occurred when the terrier was suffering from some form of illness. The dog was examined...

Among 27 cases of cat aggression manifested toward people, 14 cases were diagnosed as redirected or probable redirected aggression, because the cat was already highly aroused by other stimuli before attacking a person. A detailed behavioural history enabled identification of arousing stimuli. The...

Patterns of aggression described are predatory, dominance, possesive, protective, fear-induced and redirected. Methods to prevent aggression and restraint procedures are discussed.