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  1. Dog People and Cat People Differ on Dominance-Related Traits

    Contributor(s):: Alba, Beatrice, Haslam, Nick

    Many people identify themselves as being either a “cat person” or a “dog person” based on their preference for these domestic animals. The purpose of this study was to test the common belief that there are personality differences between these types. Previous research has found differences...

  2. Mounting behaviour in finishing pigs: Stable individual differences are not due to dominance or stage of sexual development

    Contributor(s):: Hintze, Sara, Scott, Desiree, Turner, Simon, Meddle, Simone L., D’Eath, Richard B.

    Every year around 100 million male piglets are castrated in the EU, usually without anaesthesia or post-operative analgesia. This surgical intervention is painful and stressful. Several main players within the pig industry have voluntarily agreed to end the practice of surgical pig castration in...

  3. Effects of restraint with or without blinds at the feed barrier on feeding and agonistic behaviour in horned and hornless goats

    Contributor(s):: Hillmann, Edna, Hilfiker, Sandra, Keil, Nina Maria

    The strict dominance hierarchy in goats bears the risk of low-ranking goats not getting adequate access to feed, especially for goats in small groups. The aim of our study was to test the effect of restraint in headlocks with and without blinds at the feed barrier on feeding and agonistic...

  4. Is the avoidance distance test for the assessment of animals’ responsiveness to humans influenced by either the dominant or flightiest animal in the group?

    Contributor(s):: Mazurek, Mickael, McGee, Mark, Minchin, William, Crowe, Mark A., Earley, Bernadette

    A previously described (Windschnurer et al., 2009) avoidance distance test was used to assess animals’ fear of humans in order to quantify the human–animal relationship (HAR). This study investigated the influence of the dominant and flightiest animals within a group on the responsiveness of...

  5. Effect of mares’ dominance rank on suckling behaviour in the loose housed domestic horses

    Contributor(s):: Komárková, Martina, Bartošová, Jitka, Dubcová, Jana

    Suckling is a main part of maternal investment in equids. The suckling period is crucial for adequate physical as well as psychical development of the foal. The rank of the mother and her aggressiveness could be factors responsible for later reproductive or social success of the foal. We...

  6. A bio-behavioral study of chronic idiopathic colitis in the rhesus macaque (Macaca mulatta)

    Contributor(s):: Howell, Sue, White, Daniel, Ingram, Sonya, Jackson, Raven, Larin, Jorge, Morales, Pablo, Garcia, Ana Patricia, Hicks, Chassey, Hopper, Kelly, Wagner, Joseph

    This study focused on the bio-social factors that influence chronic idiopathic colitis (CIC) disease in rhesus macaques (Macaca mulatta). A retrospective study of CIC included all colony animals between 2007 and 2009. A prospective study included 36 rhesus macaques treated for CIC in 2008 and...

  7. Agonistic behaviour after mixing in pigs under commercial farm conditions

    Contributor(s):: Stukenborg, Andreas, Traulsen, Imke, Puppe, Birger, Presuhn, Ulrich, Krieter, Joachim

    The aim of the study was to investigate agonistic behaviour of pigs after regrouping pigs under commercial sow farm conditions. The behavioural patterns were observed over a 48-h period, directly after weaning (PIG-28; n=647) and 40 days later (growing pigs, PIG-68; n=224). Agonistic interactions...

  8. Relationships between feeding behaviour, activity, dominance and feed efficiency in finishing beef steers

    Contributor(s):: Haskell, Marie J., Rooke, John A., Roehe, Rainer, Turner, Simon P., Hyslop, James J., Waterhouse, Anthony, Duthie, Carol-Anne

    To increase the profitability and sustainability of beef production systems, the use of animals with high feed efficiency is preferred. Efficient animals eat less than their peers for the same or better growth. This efficiency can be measured using feed conversion ratios (FCR) and residual feed...

  9. Important role of dominance in allogrooming behaviour in beef cattle

    Contributor(s):: Šárová, Radka, Gutmann, Anke Kristina, Špinka, Marek, Stěhulová, Ilona, Winckler, Christoph

    In domestic cattle, the relationship between dominance and allogrooming behaviour has been investigated in several studies. However, the results do not show a consistent pattern. The aim of this study was to investigate this relationship in a stable female beef cattle herd using social network...

  10. Temporal development of agonistic interactions as well as dominance indices and centrality parameters in pigs after mixing

    Contributor(s):: Büttner, Kathrin, Czycholl, Irena, Mees, Katharina, Krieter, Joachim

    Previous studies showed that depending on different factors, such as age, level of familiarity or group size, the number of agonistic interactions in pigs directly after mixing can demonstrate a large variation: from groups which reveal a clear decline in agonistic interactions one day after...

  11. Hierarchical status and body traits and reproductive characteristics of male pampas deer (Ozotoceros bezoarticus) maintained in all-male groups

    Contributor(s):: Villagrán, Matías, Beracochea, Florencia, Bartoš, Luděk, Ungerfeld, Rodolfo

    An animal's social environment can influence individual physiological and reproductive status, which might have implications for the success of ex situ conservation programs. This study investigated the relationship between an individual's position in the social hierarchy, body and antler size,...

  12. Leadership linked to group composition in Highland cattle (Bos taurus): Implications for livestock management

    Contributor(s):: Sueur, Cédric, Kuntz, Cédric, Debergue, Elise, Keller, Blandine, Robic, Florian, Siegwalt-Baudin, Flora, Richer, Camille, Ramos, Amandine, Pelé, Marie

    Animals kept for livestock or conservation form strong cohesive groups when foraging and moving, in the same way as their wild counterparts. Collective decision-making involves making compromises by consensus to maintain group cohesion and synchronisation. This type of consensus can be observed...

  13. Relationship between quantitative measures of temperament and other observed behaviors in growing cattle

    Contributor(s):: Bruno, Kelsey, Vanzant, Eric, Vanzant, Kirk, Altman, Alexander, Kudupoje, Manoj, McLeod, Kyle

    Measures of temperament have been previously related to gain and intake in beef cattle. Intake effects may be partially mediated through social interactions in that some temperament measures may directly relate to social dominance behavior. To examine the relationships between temperament,...

  14. The moral standing of animals: Towards a psychology of speciesism

    Contributor(s):: Caviola, Lucius, Everett, Jim A. C., Faber, Nadira S.

  15. Domestic horses (Equus caballus) prefer to approach humans displaying a submissive body posture rather than a dominant body posture

    Full-text: Available

    | Contributor(s):: Amy Victoria Smith, Clara Wilson, Karen McComb, Leanne Proops

    Signals of dominance and submissiveness are central to conspecific communication in many species. For domestic animals, sensitivities to these signals in humans may also be beneficial. We presented domestic horses with a free choice between two unfamiliar humans, one adopting a submissive and...

  16. Helping Pet Owners Change Pet Behaviors: An Overview of the Science

    | Contributor(s):: Strickler, B. G.

  17. Canine Dominance Aggression Towards People

    | Contributor(s):: Cathy Taphorn, Donald D. Draper

    A common and potentially serious behavioral problem confronting pet owners and the sn1all animal practitioner is aggression. Of the several types of aggression, dominance aggression is the most common. Over one million people a year are bitten by dogs in the United States alone. 

  18. The Ethics of Animal Training

    | Contributor(s):: Anthony Milligan

    Animal training sits toward the uncomfortably overt end of human dominance. It can involve familiar kinds of harms, but, as commentators such as Vicki Hearne and Donna Haraway have pointed out, it can also enhance animal contentment, capabilities and autonomy. However, unlike socialization, it is...

  19. Cortisol levels in dolphin Tursiops truncatus interactive programs linked to humanNiveles de cortisol en delfines Tursiops truncatus vinculados a programas interactivos con humanos

    | Contributor(s):: Sanchez Okrucky, R., Morales Vela, B.

    Understanding the physiological changes in animals during physical activity to improve animal welfare has become increasingly important in animal collections that remain under human care. To date, the effect of interactive programs on dolphins under human care has not been evaluated, for that...

  20. Animals and the Ethics of Domination

    | Contributor(s):: Fink, C.K.