| Records |
| Author |
Wallner, B.; Palmieri, N.; Vogl, C.; Rigler, D.; Bozlak, E.; Druml, T.; Jagannathan, V.; Leeb, T.; Fries, R.; Tetens, J.; Thaller, G.; Metzger, J.; Distl, O.; Lindgren, G.; Rubin, C.-J.; Andersson, L.; Schaefer, R.; McCue, M.; Neuditschko, M.; Rieder, S.; Schlötterer, C.; Brem, G. |
| Title |
Y Chromosome Uncovers the Recent Oriental Origin of Modern Stallions |
Type |
Journal Article |
| Year |
2017 |
Publication |
Current Biology |
Abbreviated Journal |
Current Biology |
| Volume |
27 |
Issue  |
13 |
Pages |
2029-2035.e5 |
| Keywords |
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| Abstract |
The Y chromosome directly reflects male genealogies, but the extremely low Y chromosome sequence diversity in horses has prevented the reconstruction of stallion genealogies [1, 2]. Here, we resolve the first Y chromosome genealogy of modern horses by screening 1.46 Mb of the male-specific region of the Y chromosome (MSY) in 52 horses from 21 breeds. Based on highly accurate pedigree data, we estimated the de novo mutation rate of the horse MSY and showed that various modern horse Y chromosome lineages split much later than the domestication of the species. Apart from few private northern European haplotypes, all modern horse breeds clustered together in a roughly 700-year-old haplogroup that was transmitted to Europe by the import of Oriental stallions. The Oriental horse group consisted of two major subclades: the Original Arabian lineage and the Turkoman horse lineage. We show that the English Thoroughbred MSY was derived from the Turkoman lineage and that English Thoroughbred sires are largely responsible for the predominance of this haplotype in modern horses. |
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| Publisher |
Elsevier |
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| ISSN |
0960-9822 |
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| Notes |
doi: 10.1016/j.cub.2017.05.086 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6669 |
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| Author |
Sigurjónsdóttir, H.; Haraldsson, H. |
| Title |
Significance of Group Composition for the Welfare of Pastured Horses |
Type |
Journal Article |
| Year |
2019 |
Publication |
Animals |
Abbreviated Journal |
Animals |
| Volume |
9 |
Issue |
14 |
Pages |
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| Keywords |
horse welfare; aggression; allogrooming; pastured horses; Icelandic horse |
| Abstract |
We explore how herd composition and management factors correlate with frequencies of social interactions in horse groups. Since the welfare of horses correlates with low aggression levels and social contact opportunities, information of this kind is important. The data are a collection of records of social interactions of 426 Icelandic horses in 20 groups of at least eight horses. The complexities and limitations of the data prohibit useful statistical modelling so the results are presented descriptively. Interesting and informative patterns emerge which can be of use both in management and in future studies. Of special interest are the low levels of agonistic behaviours in breeding groups where one stallion was present. The horses were less agonistic when in groups with young foals and where group membership was stable. Unfamiliar yearlings in peer groups were especially aggressive. Allogrooming was most frequent in groups with relatively more young horses and in unstable and small groups. Interestingly, the horses allogroomed more if they had few preferred allogrooming partners. The findings show that composition (age/sex) and stability of groups are of great importance with respect to aggression levels and opportunities for establishing bonds. |
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Abbreviated Series Title |
Animals |
| Series Volume |
9 |
Series Issue |
1 |
Edition |
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| ISSN |
2076-2615 |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6510 |
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| Author |
Cerasoli, F.; Podaliri Vulpiani, M.; Saluti, G.; Conte, A.; Ricci, M.; Savini, G.; D'Alterio, N. |
| Title |
Assessment of Welfare in Groups of Horses with Different Management, Environments and Activities by Measuring Cortisol in Horsehair, Using Liquid Chromatography Coupled to Hybrid Orbitrap High-Resolution Mass Spectrometry |
Type |
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| Year |
2022 |
Publication |
Animals |
Abbreviated Journal |
Animals |
| Volume |
12 |
Issue |
14 |
Pages |
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| Keywords |
cortisol; animal welfare; horse; Lc-Hrms/Ms |
| Abstract |
Horses have always been animals used for companionship, work, transportation, and performance purposes over the history of humanity; there are different ways of managing horses, but studies on how horse welfare is influenced by different activities and managements are scanty. Understanding how the management, the environment, and the different uses of horses can affect the level of stress and well-being is important not only for people associated with horses. Three groups of horses with different management, environments, and activities were selected: (1) stabled horses ridden frequently, (2) horses that perform public order service under the Italian state police, and (3) free-ranging horses. Cortisol analysis was carried out on horsehair samples using liquid chromatography coupled to hybrid orbitrap high-resolution mass spectrometry (LC-HRMS/MS), a laboratory technique used for the first time to quantify horsehair cortisol. The selection of horses to be included in the three groups was carried out by including only subjects with positive welfare assessment in accordance with the horse welfare assessment protocol (AWIN). These analyses demonstrated that the cortisol levels detected in the horsehair of free-ranging animals were significantly higher compared to those detected in stabled and working horses. These results may have been a consequence of complex environmental, managerial, and behavioral factors, which should be worth further investigation |
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Abbreviated Series Title |
Animals |
| Series Volume |
12 |
Series Issue |
14 |
Edition |
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| ISSN |
2076-2615 |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6674 |
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| Author |
Krueger, K.; Trager, L.; Farmer, K.; Byrne, R. |
| Title |
Tool Use in Horses |
Type |
Journal Article |
| Year |
2022 |
Publication |
Animals |
Abbreviated Journal |
Animals |
| Volume |
12 |
Issue |
15 |
Pages |
1876 |
| Keywords |
crowdsourcing; horse; innovation; mule; management; tool use |
| Abstract |
Tool use has not yet been confirmed in horses, mules or donkeys. As this subject is difficult to research with conventional methods, we used a crowdsourcing approach to gather data. We contacted equid owners and carers and asked them to report and video examples of �unusual� behaviour via a dedicated website. We also searched YouTube and Facebook for videos of equids showing tool use. From 635 reports, including 1014 behaviours, we found 20 cases of tool use, 13 of which were unambiguous in that it was clear that the behaviour was not trained, caused by reduced welfare, incidental or accidental. We then assessed (a) the effect of management conditions on tool use and (b) whether the animals used tools alone, or socially, involving other equids or humans. We found that management restrictions were associated with corresponding tool use in 12 of the 13 cases (p = 0.01), e.g., equids using sticks to scrape hay within reach when feed was restricted. Furthermore, 8 of the 13 cases involved other equids or humans, such as horses using brushes to groom others. The most frequent tool use was for foraging, with seven examples, tool use for social purposes was seen in four cases, and there was just one case of tool use for escape. There was just one case of tool use for comfort, and in this instance, there were no management restrictions. Equids therefore can develop tool use, especially when management conditions are restricted, but it is a rare occurrence. |
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Abbreviated Series Title |
Animals |
| Series Volume |
12 |
Series Issue |
15 |
Edition |
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2076-2615 |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6695 |
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| Author |
Thornton Alex; Lukas Dieter |
| Title |
Individual variation in cognitive performance: developmental and evolutionary perspectives |
Type |
Journal Article |
| Year |
2012 |
Publication |
Philosophical Transactions of the Royal Society B: Biological Sciences |
Abbreviated Journal |
Philos Trans R Soc Lond B Biol Sci |
| Volume |
367 |
Issue |
1603 |
Pages |
2773-2783 |
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| Publisher |
Royal Society |
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| Notes |
doi: 10.1098/rstb.2012.0214 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6555 |
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| Author |
Mann Janet; Patterson Eric M. |
| Title |
Tool use by aquatic animals |
Type |
Journal Article |
| Year |
2013 |
Publication |
Philosophical Transactions of the Royal Society B: Biological Sciences |
Abbreviated Journal |
Phil. Trans. Biol. Sci. |
| Volume |
368 |
Issue |
1630 |
Pages |
20120424 |
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Royal Society |
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doi: 10.1098/rstb.2012.0424 |
Approved |
no |
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Equine Behaviour @ team @ |
Serial |
6579 |
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| Author |
Tebbich Sabine; Griffin Andrea S.; Peschl Markus F.; Sterelny Kim |
| Title |
From mechanisms to function: an integrated framework of animal innovation |
Type |
Journal Article |
| Year |
2016 |
Publication |
Philosophical Transactions of the Royal Society B: Biological Sciences |
Abbreviated Journal |
Philos Trans R Soc Lond B Biol Sci |
| Volume |
371 |
Issue |
1690 |
Pages |
20150195 |
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| Abstract |
Animal innovations range from the discovery of novel food types to the invention of completely novel behaviours. Innovations can give access to new opportunities, and thus enable innovating agents to invade and create novel niches. This in turn can pave the way for morphological adaptation and adaptive radiation. The mechanisms that make innovations possible are probably as diverse as the innovations themselves. So too are their evolutionary consequences. Perhaps because of this diversity, we lack a unifying framework that links mechanism to function. We propose a framework for animal innovation that describes the interactions between mechanism, fitness benefit and evolutionary significance, and which suggests an expanded range of experimental approaches. In doing so, we split innovation into factors (components and phases) that can be manipulated systematically, and which can be investigated both experimentally and with correlational studies. We apply this framework to a selection of cases, showing how it helps us ask more precise questions and design more revealing experiments. |
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Royal Society |
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| Notes |
doi: 10.1098/rstb.2015.0195 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6557 |
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| Author |
Liker, A.; Bókony, V. |
| Title |
Larger groups are more successful in innovative problem solving in house sparrows |
Type |
Journal Article |
| Year |
2009 |
Publication |
Proceedings of the National Academy of Sciences of the United States of America |
Abbreviated Journal |
Proc Natl Acad Sci USA |
| Volume |
106 |
Issue |
19 |
Pages |
7893-7898 |
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| Abstract |
Group living offers well-known benefits to animals, such as better predator avoidance and increased foraging success. An important additional, but so far neglected, advantage is that groups may cope more effectively with unfamiliar situations through faster innovations of new solutions by some group members. We tested this hypothesis experimentally by presenting a new foraging task of opening a familiar feeder in an unfamiliar way to house sparrows in small and large groups (2 versus 6 birds). Group size had strong effects on problem solving: sparrows performed 4 times more and 11 times faster openings in large than in small groups, and all members of large groups profited by getting food sooner (7 times on average). Independently from group size, urban groups were more successful than rural groups. The disproportionately higher success in large groups was not a mere consequence of higher number of attempts, but was also related to a higher effectiveness of problem solving (3 times higher proportion of successful birds). The analyses of the birds' behavior suggest that the latter was not explained by either reduced investment in antipredator vigilance or reduced neophobia in large groups. Instead, larger groups may contain more diverse individuals with different skills and experiences, which may increase the chance of solving the task by some group members. Increased success in problem solving may promote group living in animals and may help them to adapt quickly to new situations in rapidly-changing environments. |
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no |
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Equine Behaviour @ team @ |
Serial |
6538 |
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| Author |
Cooper, J.J.; Albentosa, M.J. |
| Title |
Behavioural adaptation in the domestic horse: potential role of apparently abnormal responses including stereotypic behaviour |
Type |
Journal Article |
| Year |
2005 |
Publication |
Livestock Production Science |
Abbreviated Journal |
Livest. Prod. Sci. |
| Volume |
92 |
Issue |
2 |
Pages |
177-182 |
| Keywords |
Behavioural adaptation; Horse; Stereotypic behaviour |
| Abstract |
Classically, biologists have considered adaptation of behavioural characteristics in terms of long-term functional benefits to the individual, such as survival or reproductive fitness. In captive species, including the domestic horse, this level of explanation is limited, as for the most part, horses are housed in conditions that differ markedly from those in which they evolved. In addition, an individual horse's reproductive fitness is largely determined by man rather than its own behavioural strategies. Perhaps for reasons of this kind, explanations of behavioural adaptation to environmental challenges by domestic animals, including the capacity to learn new responses to these challenges, tend to concentrate on the proximate causes of behaviour. However, understanding the original function of these adaptive responses can help us explain why animals perform apparently novel or functionless activities in certain housing conditions and may help us to appreciate what the animal welfare implications might be. This paper reviews the behavioural adaptation of the domestic horse to captivity and discusses how apparently abnormal behaviour may not only provide a useful practical indicator of specific environmental deficiencies but may also serve the animal as an adaptive response to these deficiencies in an “abnormal” environment. |
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| ISSN |
0301-6226 |
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no |
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Equine Behaviour @ team @ |
Serial |
4829 |
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| Author |
Schneider, G.; Krueger, K. |
| Title |
Third-party interventions keep social partners from exchanging affiliative interactions with others |
Type |
Journal Article |
| Year |
2012 |
Publication |
Animal Behaviour |
Abbreviated Journal |
Anim. Behav. |
| Volume |
83 |
Issue |
2 |
Pages |
377-387 |
| Keywords |
Equus caballus; horse; rank; social bond; social network; third-party intervention |
| Abstract |
Third-party interventions are defined as the interruption of dyadic interactions by third animals through direct physical contact, interposing or threats. Previous studies focused on the analysis of interventions against agonistic encounters. However, there have been no evaluations of interventions against affiliative behaviours, particularly in relation to the intervening animal�s social relationships and its social and spatial position. Horses, Equus caballus, are an interesting model species, as interventions against affiliative interactions occur more frequently than against agonistic interactions. In this study, 64 feral horses displayed 67 interventions in affiliative interactions and eight interventions in agonistic interactions within the observation period. We analysed the interventions in affiliative encounters, and found that it was mainly higher-ranking females that intervened in the affiliative interactions of group mates in the stable horse harems. The intervening animals took an active part in affiliative and agonistic encounters within the group, but did not occupy particular social roles or spatial positions. They intervened in affiliative interactions in which group mates with which they had social bonds interacted with other members of the group. They targeted the nonbonded animal and approached the one with which they were socially bonded. We suggest some species use third-party interventions in affiliative interactions to prevent competition for preferred social interaction partners from escalating into more costly agonistic encounters. |
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0003-3472 |
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no |
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Equine Behaviour @ team @ |
Serial |
5492 |
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