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Author Christensen, J.W.; Søndergaard, E.; Thodberg, K.; Halekoh, U.
Title Effects of repeated regrouping on horse behaviour and injuries Type Journal Article
Year 2011 Publication Applied Animal Behaviour Science Abbreviated Journal Appl. Anim. Behav. Sci.
Volume (up) 133 Issue 3 Pages 199-206
Keywords Group housing; Horse; Injuries; Regrouping; Social behaviour
Abstract Domestic horses are faced with social challenges throughout their lives due to limitations in social contact, space restrictions and frequent changes in social companionship. This is in contrast to natural conditions where horses live in relatively stable harem bands. Currently, little is known about how repeated regrouping affect horse behaviour and welfare, and it is unknown whether horses may adapt to regrouping. In this study, we aimed to investigate the effects of an unstable group structure, caused by weekly regroupings, on behaviour and frequency of injuries in young horses. Forty-five horses were included in the study and were randomly assigned to the treatments; Stable (S; seven groups of three horses) or Unstable (U; eight groups of three horses). The experimental period lasted 7 weeks, during which horses in Stable groups remained in the same group, whereas one horse was exchanged between Unstable groups every week. The groups were kept in 80m×80m grass-covered enclosures and were fed additional roughage on the ground daily. Social interactions were recorded in Unstable groups immediately after each regrouping (30min), and in both Stable and Unstable groups on day 1, 3 and 6 after each regrouping (2×20min/group/day). Injuries were scored by the end of the experimental period. The level of aggression shown by horses in Unstable groups immediately after regrouping was not affected by week (F5,35=0.42, P=0.83), indicating that horses neither habituated, nor sensitized, to repeated regrouping. Compared to horses in Stable groups, more agonistic behaviour was shown by horses in Unstable groups (i.e. non-contact agonistic; F1,65=5.60, P=0.02), whereas there was no treatment effect on other variables. The level of play behaviour appeared, however, to be more variable in Unstable groups. There was a significant effect of week on the level of contact agonistic interactions as well as greeting behaviour, due to a high occurrence in weeks 4-6. Non-contact agonistic interactions constituted the major part of agonistic interactions (66%). Possibly as consequence, no serious injuries were registered and there was no treatment effect (U=184; P=0.11). We conclude that the behaviour of young horses is affected by group management, and that horses appear not to adapt to weekly regroupings.
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ISSN 0168-1591 ISBN Medium
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Call Number Equine Behaviour @ team @ Serial 6605
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Author Albiach-Serrano, A.; Bräuer, J.; Cacchione, T.; Zickert, N.; Amici, F.
Title The effect of domestication and ontogeny in swine cognition (Sus scrofa scrofa and S. s. domestica) Type Journal Article
Year 2012 Publication Appl Anim Behav Sci Abbreviated Journal
Volume (up) 141 Issue Pages
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Call Number Equine Behaviour @ team @ Albiach-Serrano2012 Serial 6329
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Author Briard, L.; Deneubourg, J.-L.; Petit, O.
Title How stallions influence the dynamic of collective movements in two groups of domestic horses, from departure to arrival Type Journal Article
Year 2017 Publication Behavioural Processes Abbreviated Journal Behav. Process.
Volume (up) 142 Issue Pages 56-63
Keywords consensus; herding; polygyny; personal leadership; shared decision
Abstract Abstract The role of leader in polygynous species has been solely attributed to the male for some time, but recent studies shown decision making to be distributed within the group. However, the specific reproductive strategy and behavioural repertoire of males in polygynous species such as horses may mean that these individuals still have the potential to play a specific role during decision-making. To investigate this subject, we thoroughly studied the behaviour of two domestic stallions during collective movements of their group. We found that they initiated rarely and sometimes failed to recruit the entire group. When departing as followers, they did not accelerate the joining process. Both stallions preferentially occupied the rear position and exhibited numerous monitoring behaviours. Herding behaviours were performed by only one stallion and mostly occurred outside movement context. Finally, we removed this herding stallion from its group to evaluate how the group dynamic changed. As a result, half of the collective movements were five times slower and mares were more dispersed in comparison when the stallion was in the group. Overall, our results suggest that, the two stallions maintained their role of group monitors from departure to arrival. Their influence on the movement dynamic was indirect and did not play a specific role in the process of decision making.
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ISSN 0376-6357 ISBN Medium
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Call Number Equine Behaviour @ team @ Serial 6151
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Author Pérez-Barbería, F.J.; Gordon, I.J.
Title Gregariousness increases brain size in ungulates Type Journal Article
Year 2005 Publication Oecologia Abbreviated Journal
Volume (up) 145 Issue Pages
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Call Number Equine Behaviour @ team @ Pérez-Barbería2005 Serial 6258
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Author Ripple, W.J.; Beschta, R.L.
Title Trophic cascades in Yellowstone: The first 15 years after wolf reintroduction Type Journal Article
Year 2012 Publication Biol Conserv Abbreviated Journal
Volume (up) 145 Issue Pages
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Call Number Equine Behaviour @ team @ Ripple2012 Serial 6452
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Author Briefer, E.F.; McElligott, A.G.
Title Rescued goats at a sanctuary display positive mood after former neglect Type Journal Article
Year 2013 Publication Appl Anim Behav Sci Abbreviated Journal
Volume (up) 146 Issue Pages
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Call Number Equine Behaviour @ team @ Briefer2013 Serial 6287
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Author Bentley-Condit, V.; Smith, E.O.
Title Animal tool use: current definitions and an updated comprehensive catalog Type Journal Article
Year 2010 Publication Behaviour Abbreviated Journal
Volume (up) 147 Issue 2 Pages 185-32
Keywords TOOL USE; CATALOG; ANIMAL
Abstract Despite numerous attempts to define animal tool use over the past four decades, the definition remains elusive and the behaviour classification somewhat subjective. Here, we provide a brief review of the definitions of animal tool use and show how those definitions have been modified over time. While some aspects have remained constant (i.e., the distinction between 'true' and 'borderline' tool use), others have been added (i.e., the distinction between 'dynamic' and 'static' behaviours). We present an updated, comprehensive catalog of documented animal tool use that indicates whether the behaviours observed included any 'true' tool use, whether the observations were limited to captive animals, whether tool manufacture has been observed, and whether the observed tool use was limited to only one individual and, thus, 'anecdotal' (i.e., N = 1). Such a catalog has not been attempted since Beck (1980). In addition to being a useful reference for behaviourists, this catalog demonstrates broad tool use and manufacture trends that may be of interest to phylogenists, evolutionary ecologists, and cognitive evolutionists. Tool use and tool manufacture are shown to be widespread across three phyla and seven classes of the animal kingdom. Moreover, there is complete overlap between the Aves and Mammalia orders in terms of the tool use categories (e.g., food extraction, food capture, agonism) arguing against any special abilities of mammals. The majority of tool users, almost 85% of the entries, use tools in only one of the tool use categories. Only members of the Passeriformes and Primates orders have been observed to use tools in four or more of the ten categories. Thus, observed tool use by some members of these two orders (e.g., Corvus, Papio) is qualitatively different from that of all other animal taxa. Finally, although there are similarities between Aves and Mammalia, and Primates and Passeriformes, primate tool use is qualitatively different. Approximately 35% of the entries for this order demonstrate a breadth of tool use (i.e., three or more categories by any one species) compared to other mammals (0%), Aves (2.4%), and the Passeriformes (3.1%). This greater breadth in tool use by some organisms may involve phylogenetic or cognitive differences � or may simply reflect differences in length and intensity of observations. The impact that tool usage may have had on groups' respective ecological niches and, through niche-construction, on their respective evolutionary trajectories remains a subject for future study.
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Call Number Equine Behaviour @ team @ :/content/journals/10.1163/000579509x12512865686555 Serial 5859
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Author Zajonc, R.B.
Title Social Facilitation Type Journal Article
Year 1965 Publication Science Abbreviated Journal Science
Volume (up) 149 Issue 3681 Pages 269-274
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Abstract 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf
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Call Number Equine Behaviour @ team @ Serial 6565
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Author Shmidt Mech, L.D.
Title Wolf pack size and food acquisition Type Journal Article
Year 1997 Publication Am Nat Abbreviated Journal
Volume (up) 150 Issue Pages
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Call Number Equine Behaviour @ team @ Shmidt Mech1997 Serial 6482
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Author Amici, F.; Widdig, A.; Lehmann, J.; Majolo, B.
Title A meta-analysis of interindividual differences in innovation Type Journal Article
Year 2019 Publication Animal Behaviour Abbreviated Journal Anim. Behav.
Volume (up) 155 Issue Pages 257-268
Keywords age; bad competitor hypothesis; excess of energy hypothesis; innovation; interindividual differences; intraspecific variation; personality; rank; sex
Abstract The ability to innovate and the social transmission of innovations have played a central role in human evolution. However, innovation is also crucial for other animals, by allowing them to cope with novel socioecological challenges. Although innovation plays such a central role in animals' lives, we still do not know the conditions required for innovative behaviour to emerge. Here, we focused on interindividual differences in innovation by (1) extensively reviewing existing literature on innovative behaviour in animals and (2) quantitatively testing the different evolutionary hypotheses that have been proposed to explain interindividual variation in innovation propensity during foraging tasks. We ran a series of phylogenetically controlled mixed-effects meta-regression models to determine which hypotheses (if any) are supported by currently available empirical studies. Our analyses show that innovation is more common in individuals that are older and belong to the larger sex, but also in more neophilic and/or explorative individuals. Moreover, these effects change depending on the study setting (i.e. wild versus captive). Our results provide no clear support to the excess of energy or the bad competitor hypotheses and suggest that study setting and interindividual differences in traits related to personality are also important predictors of innovation.
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Series Editor Series Title Abbreviated Series Title
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ISSN 0003-3472 ISBN Medium
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Call Number Equine Behaviour @ team @ Serial 6589
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