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  1. Behavioral and Perceptual Differences between Sexes in Dogs: An Overview

    Full-text: Available

    | Contributor(s):: Anna Scandurra, Alessandra Alterisio, Anna Di Cosmo, Biagio D’Aniello

    In this paper, we review the scientific reports of sex-related differences in dogs as compared to the outcomes described for wild animals. Our aim was to explore whether the differences in male and female dogs were affected by the domestication process, in which artificial selection is the main...

  2. Dogs recognize dog and human emotions

    | Contributor(s):: Albuquerque, N., Guo, Kun, Wilkinson, A., Savalli, C., Otta, E., Mills, D.

    The perception of emotional expressions allows animals to evaluate the social intentions and motivations of each other. This usually takes place within species; however, in the case of domestic dogs, it might be advantageous to recognize the emotions of humans as well as other dogs. In this...

  3. Bites dog people: general characteristics

    | Contributor(s):: Marat T. Makenov, Olga A. Mihaylova

    The analysis of appeals for medical help concerned with dog bites made by dwellers of the Omsk City in 2006-2010 has been performed, using the materials of the "Omsk Regional Center for Hygiene and Epidemiology". In total, 11 849 cases of human biting by dogs were registered in this...

  4. Relationship Between Scarring and Dog Aggression in Pit Bull-Type Dogs Involved in Organized Dogfighting

    | Contributor(s):: Katherine A. Miller, Rachel Touroo, C. Victor Spain, Kelly Jones, Pamela Reid, Randall Lockwood

    When pit bull-type dogs are seized in an investigation of organized dogfighting, heavily scarred dogs are often assumed to be highly dog aggressive due to a history of fighting. These dogs may be deemed dangerous and euthanized based on scarring alone. We analyzed our existing data on dogs seized...

  5. Orca Behavior and Subsequent Aggression Associated with Oceanarium Confinement

    Full-text: Available

    | Contributor(s):: Robert Anderson, Robyn Waayers, Andrew Knight

    Based on neuroanatomical indices such as brain size and encephalization quotient, orcas are among the most intelligent animals on Earth. They display a range of complex behaviors indicative of social intelligence, but these are difficult to study in the open ocean where protective laws may...

  6. Dos and don'ts of canine interaction: importance of responsible ownership

    | Contributor(s):: Green, E.

  7. Behaviour of pre-pubertal gilts and its relationship to farrowing behaviour in conventional farrowing crates and loose-housed pens

    | Contributor(s):: Ison, S. H., Wood, C. M., Baxter, E. M.

    Individual variation in the reproductive performance of sows has the potential for greater negative impacts in loose-farrowing systems. Therefore, the ability to select gilts that will perform well would be a major advantage. This study investigated the behaviour of gilts during pre-pubertal...

  8. "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...

  9. Considering companion animals an examination of companion animal policies in California domestic violence shelters

    | Contributor(s):: Komorosky, D., Woods, D. R., Empie, K.

    A growing body of literature has shown the link between domestic violence and animal cruelty, resulting in a shift in the way family violence and those who are victims of abuse are considered. There are approximately 700 shelters across the nation protecting women and their children from domestic...

  10. His bark is worse than his bite: perceptions and rationalization of canine aggressive behavior

    | Contributor(s):: Orritt, R., Gross, H., Hogue, T.

    Qualitative methods are increasingly used to investigate the complexities of the dog-human relationship. In order to inform a larger study of human dog interaction, a focus group study was carried out to address the question 'How is aggressive behavior in dogs perceived and rationalized by people...

  11. Pet relinquishment: preventing the biggest problems resulting in pets losing their homes

    | Contributor(s):: Feyrecilde, M.

  12. 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...

  13. Comparison of the behaviour of piglets raised in an artificial rearing system or reared by the sow

    | Contributor(s):: Rzezniczek, M., Gygax, L., Wechsler, B., Weber, R.

    Over the last 15 years, rising sow fertility has led to a considerable increase in litter size. As a consequence, the number of live born piglets may outnumber the number of functional teats, and surplus piglets are removed from the sow at the age of 3-6 days and fed with artificial milk. The...

  14. Consistency in European seabass coping styles: a life-history approach

    | Contributor(s):: Ferrari, S., Millot, S., Leguay, D., Chatain, B., Begout, M. L.

    Recent years have seen a growth of interest in the consistent differences in individual behaviour over time and contexts constituting the so-called "individual coping styles". An understanding of this inter-individual variation is essential to improve our knowledge of the adaptive value of...

  15. Effects of stage of gestation at mixing on aggression, injuries and stress in sows

    | Contributor(s):: Stevens, B., Karlen, G. M., Morrison, R., Gonyou, H. W., Butler, K. L., Kerswell, K. J., Hemsworth, P. H.

    Confinement of breeding sows to stalls is a controversial welfare issue, and there is a worldwide move to house gestating sows in groups. We examined the effects of day of mixing following insemination on aggression, injuries and stress in sows. A total of 800 sows were used in this experiment...

  16. GPS technology as a proxy tool for determining relationships in social animals: an example with African elephants

    | Contributor(s):: Hacker, C. E., Horback, K. M., Miller, L. J.

    The potential application of GPS technology in determining relationships among social animals was addressed in this study of eight African elephants residing at the San Diego Zoo Safari Park in Escondido, CA, USA between 2009 and 2011. GPS coordinates were collected over nine 24 h periods from...

  17. Dogs for herding and guarding livestock

    | Contributor(s):: Coppinger, L., Coppinger, R., Grandin, T.

    Dogs that perform best for guarding and herding livestock have different behavioural profiles, as stated by the authors: 'herding dogs are selected to show hunting behaviours, such as eye, stalk, grip or heel. Guarding dogs are selected to show more of the wild ancestor's puppy-like or juvenile...

  18. Comparative studies of emotional behaviors of house and stray dogs

    | Contributor(s):: Kim, N. Y., Kim, K. H., Kim, S. J., Jeon, B. T., Park, P. J., Thomas, D. G., Moon, S. H.

    Background: The industry of companion animal has been growing steadily in Korea. However, alongside this rapid growth, insufficient knowledge and immature civic awareness of the responsibilities of companion animal ownership has resulted in an increase in the number of stray animals. Aim: The aim...

  19. Domestication effects on behavioural traits and learning performance: comparing wild cavies to guinea pigs

    | Contributor(s):: Brust, V., Guenther, A.

    The domestication process leads to a change in behavioural traits, usually towards individuals that are less attentive to changes in their environment and less aggressive. Empirical evidence for a difference in cognitive performance, however, is scarce. Recently, a functional linkage between an...

  20. Down but not out: supine postures as facilitators of play in domestic dogs

    | Contributor(s):: Norman, K., Pellis, S., Barrett, L., Henzi, S. P.

    We used two sets of videotaped data of playing domestic dog dyads to determine whether rolling over during play served as a signal of submission or whether it was a combat maneuver adopted as part of an ongoing play sequence. Our results provide strong support for the latter. In the absence of...