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  1. Aggressive behavior of dogs kept as companion animals: classification and influence of sex, reproductive status and breed

    Contributor(s):: Peter L. Borchelt

    Data were obtained from a total of 245 cases of aggressive-behavior problems in dogs kept as companion animals. Aggression involved barking, growling and biting behavior. For each case, a home visit of one to several hours yielded a description of the sequences of aggressive behavior and the...

  2. "Bark parks" - a study on interdog aggression in a limited-control environment

    Contributor(s):: Shyan, M. R., Fortune, K. A., King, C.

    As limited-control dog parks become more popular, concerns arise about whether these parks encourage interdog aggression. Systematic observations made at 1 park in Indianapolis, USA over 72 h (between 1600 and 1830 h, 3-5 times a week) across 8 months (between March and November 2001) found that...

  3. "Before, he fought every day with the horse and with me": reducing violence in a Guatemalan community through a horse-handling program

    Contributor(s):: Gibbons, J. L., Cunningham, C. A., Paiz, L., Poelker, K. E., Cardenas, M. A. M.

    Community and family violence are endemic in Guatemala. We evaluated the effectiveness of a horse-handling program to reduce violent attitudes and aggressive behavior. Eighteen community members who worked with horses in their daily lives (16 men, 2 women, ages 15 to 58) participated in four...

  4. A developmental approach to dog's sociality

    Contributor(s):: Mogi, K., Nagasawa, M., Kikusui, T.

    A special relationship between human and dog is considered to be established by dog's characteristic social skill and cognitive ability, based on adequate emotional and affiliative behavior. It has been emphasized that puppy's experience in its developing period is prerequisite for dog's...

  5. A fresh look at the wolf-pack theory of companion-animal dog social behavior

    Contributor(s):: Kerkhove, W. van

    A popular perspective on the social behavior of dogs in multiple-dog households sees the dogs' behavior as reflecting the sociobiological laws of the rigidly structured dominance hierarchy that has been described for wolf packs. This view suggests that aggression problems among dogs are natural...

  6. A quick assessment tool for human‐directed aggression in pet dogs

    Contributor(s):: Klausz, Barbara, Kis, Anna, Persa, Eszter, Miklósi, Ádám, Gácsi, Márta

  7. Adulthood animal abuse among men arrested for domestic violence

    Contributor(s):: Jeniimarie Febres, Gregory L. Stuart (adviser)

    The effectiveness of batterer intervention programs at reducing future intimate partner violence (IPV) perpetration is limited. Learning about perpetrators to more comprehensively address issues relevant to their aggressive tendencies could aid in the development of more effective treatments....

  8. Aggressive behavior associated with naturally elevated serum testosterone in mares

    Contributor(s):: Beaver, B. V., Amoss, M. S., Jr.

    Of 17 mares which had shown masculine characteristics (dominant personality, aggression, cresty neck, firm muscle tone) three had serum testosterone levels of 50-75 pg/ml, four 75-100 pg/ml, eight 100-400 pg/ml and two 422 and 992 pg/ml. The normal value for mares was considered to be less than...

  9. Aggressive behavior in adopted dogs that passed a temperament test

    Contributor(s):: Christensen, E., Scarlett, J., Campagna, M., Houpt, K. A.

    Relatively few studies have evaluated the effectiveness of standardized temperament testing in preventing the adoption of dogs with aggressive tendencies from animal shelters. The objective of this study was to evaluate the following hypotheses: (1) a percentage of dogs passing a standardized...

  10. Aggressive behavior in cats

    Contributor(s):: Borchelt, Peter L., Voith, Victoria L.

  11. Aggressive behavior in dogs and cats

    Contributor(s):: Borchelt, Peter L., Voith, Victoria L.

  12. Aggressive behavior in two different group-housing systems for pregnant sows

    Contributor(s):: Chapinal, N., Ruiz-de-la-Torre, J. L., Cerisuelo, A., Gasa, J., Baucells, M. D., Manteca, X.

    The study housed 120 pregnant sows from Day 29 of pregnancy to 1 week before parturition either in groups of 10 with trickle feeding (TRICKLE) or in groups of 20 with an unprotected electronic sow feeding (FITMIX). The study recorded aggressive interaction on 11 nonconsecutive days. Frequency of...

  13. Aggressive man and aggressive beast

    Contributor(s):: Allen W. Stokes

    Whether man can live in harmeny with his environment depends in great measure en his ability to' live with his fellew man. Can man learn to' engineer human seciety in time to' prevent a helecaust? Mere specifically, can we learn to' prevent aggressien er to' channel it harmlessly? The ethelegist...

  14. Aggressiveness and locomotion activity related to hatching time in Matrinxã, Brycon amazonicus (Spix and Agassiz, 1829)

    Contributor(s):: de Souza, Ellen Cristina M., da Silva, Jaquelinne P., Villacorta-Correa, Marle Angélica, Carvalho, Thaís B.

    Since agonistic interaction has been a major obstacle for fish hatchery and represents great economic losses for fish farmers, aggressiveness during the different post-hatching stages of the matrinxã, Brycon amazonicus, is analyzed and compared. Each group of three larvae was observed at six...

  15. Aggressiveness in the domestic fowl: Distance versus 'attitude'

    Contributor(s):: Rodriguez-Aurrekoetxea, A., Estevez, I.

    It has been suggested that invasion of the personal space by flock members is the main trigger of aggressive interactions in the domestic fowl ( Gallus gallus domesticus). In large and dense groups of birds high frequency of attacks should be expected as the chances of invading the personal space...

  16. An evaluative review of theories: related to animal cruelty

    Contributor(s):: Gullone, E.

    The two dominant theories relating to animal cruelty are critically reviewed. These are the violence graduation hypothesis and the deviance generalization hypothesis. The outcomes indicate very high consistency with the broader antisocial behavior and aggression literature, which is large and...

  17. Analysis of the phenotypic link between behavioural traits at mixing and increased long-term social stability in group-housed pigs

    Contributor(s):: Desire, S., Turner, S. P., D'Eath, R. B., Doeschl-Wilson, A. B., Lewis, C. R. G., Roehe, R.

    Mixing of growing pigs results in aggressive contests between group members. As aggression serves to establish dominance relationships, it is possible that increased initial aggression may facilitate the formation of social hierarchies. The objective of the study was to investigate whether there...

  18. Animal-assisted therapy and agitation and depression in nursing home residents with dementia: A matched case–control trial

    Contributor(s):: Majić, Tomislav, Gutzmann, Hans, Heinz, Andreas, Lang, Undine E., Rapp, Michael A.

  19. Animal-assisted therapy with chronic psychiatric inpatients: equine-assisted psychotherapy and aggressive behavior

    Contributor(s):: Nurenberg, J. R., Schleifer, S. J., Shaffer, T. M., Yellin, M., Desai, P. J., Amin, R., Bouchard, A., Montalvo, C.

  20. Attacks by Packs of Dogs Involving Predation on Human Beings

    Contributor(s):: Peter L. Borchelt, Randall Lockwood, Alan M. Beck, Victoria L. Voith

    Dog bites are a medical problem for millions of people, children being the most common victims.Human deaths attributable to dog bite injury (not rabies) are relatively infrequent. There have beensome epidemiologic reviews, but this study is the first attempt to arrive at an understanding of...