| Records |
| 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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Series Title |
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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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| Call Number |
Equine Behaviour @ team @ |
Serial |
6674 |
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| Author |
Janczarek, I.; Wisniewska, A.; Chruszczewski, M.H.; Tkaczyk, E.; Górecka-Bruzda, A. |
| Title |
Social Behaviour of Horses in Response to Vocalisations of Predators |
Type |
Journal Article |
| Year |
2020 |
Publication |
Animals |
Abbreviated Journal |
Animals |
| Volume |
10 |
Issue |
2331 |
Pages |
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| Keywords |
horse; predator; vocalisation; social defensive behaviour; grey wolf; Arabian leopard; golden jackal |
| Abstract |
We tested the hypothesis that social defensive responses to the vocalisation of a predator still exist in horses. The recordings of a grey wolf, an Arabian leopard and a golden jackal were played to 20 Konik polski and Arabian mares. Durations of grazing, standing still, standing alert and the number of steps in walk and trot/canter were measured. In one-minute scans, the distances of the focal horse from the reference horse (DIST-RH) and from the nearest loudspeaker (DIST-LS) were approximated. The vocalisation of a leopard aroused the Arabians more than the Koniks (less grazing, stand-still and walk, more stand-alert and trotting/cantering). Koniks showed more relaxed behaviours to the leopard vocalisation (more grazing, stand-still and walk), but high alertness to the wolf playback (stand-alert, trotting/cantering). Spatial formation of the herd of Koniks showed tight grouping (lower DIST-RH) and maintaining distance from the potential threat (DIST-LS) in response to the wolf howling, while the Arabians approached the loudspeakers in linear herd formation when the leopard growls were played. Adult horses responded to potential predation by changing spatial group formations. This ability to apply a social strategy may be one of the explanations for the least number of horses among all hunted farm animal species. |
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Series Title |
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Abbreviated Series Title |
Animals |
| Series Volume |
10 |
Series Issue |
12 |
Edition |
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| ISSN |
2076-2615 |
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Equine Behaviour @ team @ |
Serial |
6675 |
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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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Series Title |
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Abbreviated Series Title |
Animals |
| Series Volume |
12 |
Series Issue |
15 |
Edition |
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| ISSN |
2076-2615 |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6695 |
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| Author |
Bernauer, K.; Kollross, H.; Schuetz, A.; Farmer, K.; Krueger, K. |
| Title |
How do horses (Equus caballus) learn from observing human action? |
Type |
Journal Article |
| Year |
2020 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
23 |
Issue |
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Pages |
1-9 |
| Keywords |
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| Abstract |
A previous study demonstrated that horses can learn socially from observing humans, but could not draw any conclusions about the social learning mechanisms. Here we develop this by showing horses four different human action sequences as demonstrations of how to press a button to open a feed box. We tested 68 horses aged between 3 and 12 years. 63 horses passed the habituation phase and were assigned either to the group Hand Demo (N = 13) for which a kneeling person used a hand to press the button, Head Demo (N = 13) for which a kneeling person used the head, Mixed Demo (N = 12) for which a squatting person used both head and hand, Foot Demo (N = 12) in which a standing person used a foot, or No Demo (N = 13) in which horses did not receive a demonstration. 44 horses reached the learning criterion of opening the feeder twenty times consecutively, 40 of these were 75% of the Demo group horses and four horses were 31% of the No Demo group horses. Horses not reaching the learning criterion approached the human experimenters more often than those who did. Significantly more horses used their head to press the button no matter which demonstration they received. However, in the Foot Demo group four horses consistently preferred to use a hoof and two switched between hoof and head use. After the Mixed Demo the horses' actions were more diverse. The results indicate that only a few horses copy behaviours when learning socially from humans. A few may learn through observational conditioning, as some appeared to adapt to demonstrated actions in the course of reaching the learning criterion. Most horses learn socially through enhancement, using humans to learn where, and which aspect of a mechanism has to be manipulated, and by applying individual trial and error learning to reach their goal. |
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| ISSN |
1435-9456 |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ Bernauer2019 |
Serial |
6590 |
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| Author |
Baragli, P.; Scopa, C.; Maglieri, V.; Palagi, E. |
| Title |
If horses had toes: demonstrating mirror self recognition at group level in Equus caballus |
Type |
Journal Article |
| Year |
2021 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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Issue |
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Pages |
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| Abstract |
Mirror self-recognition (MSR), investigated in primates and recently in non-primate species, is considered a measure of self-awareness. Nowadays, the only reliable test for investigating MSR potential skills consists in the untrained response to a visual body mark detected using a reflective surface. Here, we report the first evidence of MSR at group level in horses, by facing the weaknesses of methodology present in a previous pilot study. Fourteen horses were used in a 4-phases mirror test (covered mirror, open mirror, invisible mark, visible colored mark). After engaging in a series of contingency behaviors (looking behind the mirror, peek-a-boo, head and tongue movements), our horses used the mirror surface to guide their movements towards their colored cheeks, thus showing that they can recognize themselves in a mirror. The analysis at the group level, which 'marks' a turning point in the analytical technique of MSR exploration in non-primate species, showed that horses spent a longer time in scratching their faces when marked with the visible mark compared to the non-visible mark. This finding indicates that horses did not see the non-visible mark and that they did not touch their own face guided by the tactile sensation, suggesting the presence of MSR in horses. Although a heated debate on the binary versus gradualist model in the MSR interpretation exists, recent empirical pieces of evidence, including ours, indicate that MSR is not an all-or-nothing phenomenon that appeared once in phylogeny and that a convergent evolution mechanism can be at the basis of its presence in phylogenetically distant taxa. |
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1435-9456 |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ Baragli2021 |
Serial |
6631 |
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| Author |
Trösch, M.; Pellon, S.; Cuzol, F.; Parias, C.; Nowak, R.; Calandreau, L.; Lansade, L. |
| Title |
Horses feel emotions when they watch positive and negative horse-human interactions in a video and transpose what they saw to real life |
Type |
Journal Article |
| Year |
2020 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
23 |
Issue |
4 |
Pages |
643-653 |
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| Abstract |
Animals can indirectly gather meaningful information about other individuals by eavesdropping on their third-party interactions. In particular, eavesdropping can be used to indirectly attribute a negative or positive valence to an individual and to adjust one's future behavior towards that individual. Few studies have focused on this ability in nonhuman animals, especially in nonprimate species. Here, we investigated this ability for the first time in domestic horses (Equus caballus) by projecting videos of positive and negative interactions between an unknown human experimenter (a “positive” experimenter or a “negative” experimenter) and an actor horse. The horses reacted emotionally while watching the videos, expressing behavioral (facial expressions and contact-seeking behavior) and physiological (heart rate) cues of positive emotions while watching the positive video and of negative emotions while watching the negative video. This result shows that the horses perceived the content of the videos and suggests an emotional contagion between the actor horse and the subjects. After the videos were projected, the horses took a choice test, facing the positive and negative experimenters in real life. The horses successfully used the interactions seen in the videos to discriminate between the experimenters. They touched the negative experimenter significantly more, which seems counterintuitive but can be interpreted as an appeasement attempt, based on the existing literature. This result suggests that horses can indirectly attribute a valence to a human experimenter by eavesdropping on a previous third-party interaction with a conspecific. |
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1435-9456 |
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Equine Behaviour @ team @ Trösch2020 |
Serial |
6649 |
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| Author |
Bottom, S.H. |
| Title |
Age-related changes in taste and gustatory response and feeding behaviour in the stabled horse |
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Book Chapter |
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There is a paucity of research relating to the anatomy and physiology of gustation and olfaction in the horse. Moreover, whilst an age-related decline in gustation and olfaction has been recorded in humans, no such study has been conducted in the horse. The horse is reliant on gustation and olfaction to make appropriate decisions relating to both short and long term diet selection and thus, any compromise in function, has implications for food intake and potentially welfare. The principal aim of this study was to establish if, and to what extent, taste andgustatory responses are affected by age in the horse. Horses were allocated to the age groups Young (2-5 years), Middle (8-14 years) and Old (16 plus years) for the study of taste (n=18) and to Young (4-6 years), Middle (10-14 years) and Old (16 plus years) for the study of gustation (n=18). Individual taste responses and gustatory responses (taste in the absence of additional olfactory cues) were identified using two-choice preference testing and monadic testing. Statistical analysis was conducted using Minitab 14.0 and behaviour data was analysed using The Observer 5.0 (Noldus, Netherlands). No effect of age on taste response or gustatory response was recorded. |
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Thesis |
Ph.D. thesis |
| Publisher |
Nottingham Trent University |
Place of Publication |
Nottingham, UK |
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Equine Behaviour @ team @ |
Serial |
6636 |
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| Author |
Gadhöfer, R.; Krüger, K.; Zanger, M. |
| Title |
Der Bockhuf – Entstehung, Verlauf und Therapie |
Type |
Book Whole |
| Year |
2021 |
Publication |
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Xenophon Verlag |
Place of Publication |
Wald |
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ISBN |
13: 978-3956250125 |
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no |
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Equine Behaviour @ team @ |
Serial |
6652 |
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| Author |
Arnold, C.; Krüger, K.; Bojer, M. |
| Title |
Die Wirkung von Yoga auf Reiterinnen. |
Type |
Book Whole |
| Year |
2020 |
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Xenophon Verlag |
Place of Publication |
Wald |
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ISBN |
9783956250057 |
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no |
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Equine Behaviour @ team @ |
Serial |
6655 |
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| Author |
Gadhöfer, R.; Krüger, K.; Zanger, M. |
| Title |
Der Bockhuf – Entstehung, Verlauf und Therapie |
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Book Whole |
| Year |
2021 |
Publication |
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Abbreviated Journal |
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Xenophon Verlag |
Place of Publication |
Wald |
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ISBN |
978-3956250125 |
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no |
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Equine Behaviour @ team @ |
Serial |
6656 |
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