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| Author | Krueger, K. | ||||
| Title | Perissodactyla Cognition | Type | Book Chapter | ||
| Year | 2017 | Publication | Encyclopedia of Animal Cognition and Behavior | Abbreviated Journal | |
| Volume | Issue | Pages | 1-10 | ||
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| Publisher | Springer International Publishing | Place of Publication | Cham | Editor | Vonk, J.; Shackelford, T. |
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ISBN | 978-3-319-47829-6 | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ Krueger2017 | Serial | 6187 | ||
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| Author | Karenina, K.; Giljov, A.; Ingram, J.; Rowntree, V.J.; Malashichev, Y. | ||||
| Title | Lateralization of mother�infant interactions in a diverse range of mammal species | Type | Journal Article | ||
| Year | 2017 | Publication | Nature Ecology & Evolution | Abbreviated Journal | Nat Ecol Evol |
| Volume | 1 | Issue | Pages | 0030 Ep - | |
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| Abstract | Left-cradling bias is a distinctive feature of maternal behaviour in humans and great apes, but its evolutionary origin remains unknown. In 11 species of marine and terrestrial mammal, we demonstrate consistent patterns of lateralization in mother�infant interactions, indicating right hemisphere dominance for social processing. In providing clear evidence that lateralized positioning is beneficial in mother�infant interactions, our results illustrate a significant impact of lateralization on individual fitness. | ||||
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| Call Number | Equine Behaviour @ team @ | Serial | 6040 | ||
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| Author | Sebastiano, M.; Eens, M.; Angelier, F.; Pineau, K.; Chastel, O.; Costantini, D. | ||||
| Title | Corticosterone, inflammation, immune status and telomere length in frigatebird nestlings facing a severe herpesvirus infection | Type | Journal Article | ||
| Year | 2017 | Publication | Conservation Physiology | Abbreviated Journal | Conserv. Physiol. |
| Volume | 5 | Issue | 1 | Pages | cow073-cow073 |
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| Abstract | Herpesvirus outbreaks are common in natural animal populations, but little is known about factors that favour the infection and its consequences for the organism. In this study, we examined the pathophysiological consequences of a disease probably attributable to herpesvirus infection for several markers of immune function, corticosterone, telomere length and inflammation. In addition, we assessed whether any markers used in this study might be associated with the occurrence of visible clinical signs of the disease and its impact on short-term survival perspectives. To address our questions, in spring 2015, we collected blood samples from nestlings of the magnificent frigatebird (Fregata magnificens) that were free of any clinical signs or showed visible signs of the disease. We found that the plasma concentration of haptoglobin was strongly associated with the infection status and could predict probabilities of survival. We also found that nestlings with clinical signs had lower baseline corticosterone concentrations and similar telomere length compared with healthy nestlings, whereas we did not find any association of the infection status with innate immune defenses or with nitric oxide concentration. Overall, our results suggest that the plasma concentration of haptoglobin might be a valuable tool to assess survival probabilities of frigatebird nestlings facing a herpesvirus outbreak. | ||||
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| Notes | 10.1093/conphys/cow073 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 6042 | ||
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| Author | Marneweck, C.; Jürgens, A.; Shrader, A.M. | ||||
| Title | Dung odours signal sex, age, territorial and oestrous state in white rhinos | Type | Journal Article | ||
| Year | 2017 | Publication | Proc Biol Sci | Abbreviated Journal | Proc. R. Soc. Lond. B |
| Volume | 284 | Issue | 1846 | Pages | |
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| Abstract | Mammals commonly communicate olfactorily via urine. However, the extent to which they communicate via dung, another waste product, is unknown. Behavioural studies suggest that mammals can obtain information from dung odours but are unclear about the information transmitted. Moreover, an understanding of the volatile organic compounds (VOCs) released from dung is limited. To address this, we analysed the odours emitted from the dung of free-ranging white rhinos, and found that 2,3-dimethylundecane signalled an individual's sex, heptanal discriminated age class, nonane defined male territorial status and 2,6-dimethylundecane indicated female oestrous state. To validate these findings, we artificially reproduced key elements of the territorial and oestrous odour profiles (i.e. profiles likely to elicit behavioural responses from receivers). We then exposed free-ranging territorial males to these odours. In response, males elicited behaviours associated with the specific odours (e.g. territorial male (potential threat): reduced latency in assuming vigilance; oestrous female (potential mate): increased investigation). These results indicate that the VOCs identified from the dung of free-ranging individuals do transmit key information. Moreover, as white rhinos of all ages and sexes defecate communally, middens probably act as information centres. Furthermore, as many other mammals defecate communally, olfactory communication via dung odours is likely a widespread phenomenon. | ||||
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| Call Number | Equine Behaviour @ team @ | Serial | 6147 | ||
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| Author | Baragli, P.; Demuru, E.; Scopa, C.; Palagi, E. | ||||
| Title | Are horses capable of mirror self-recognition? A pilot study | Type | Journal Article | ||
| Year | 2017 | Publication | Plos One | Abbreviated Journal | Plos One |
| Volume | 12 | Issue | 5 | Pages | e0176717 |
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| Abstract | Mirror Self-Recognition (MSR) unveils complex cognitive, social and emotional skills and it has been found only in humans and few other species, such as great apes, dolphins, elephants and magpies. In this pilot study, we tested if horses show the capacity of MSR. Four subjects living socially under naturalistic conditions were selected for the experiment. We adopted the classical mark test, which consists in placing a coloured mark on an out-of-view body part, visible only through mirror inspection. If the animal considers the image as its own, it will use its reflection to detect the mark and will try to explore it. We enhanced the classical paradigm by introducing a double-check control. Only in the presence of the reflecting surface, animals performed tactile and olfactory exploration of the mirror and looked behind it. These behaviors suggest that subjects were trying to associate multiple sensory cues (visual, tactile and olfactory) to the image in the mirror. The lack of correspondence between the collected stimuli in front of the mirror and the response to the colored mark lead us to affirm that horses are able to perceive that the reflected image is incongruent when compared with the memorized information of a real horse. However, without replication of data, the self-directed behavior towards the colored marks showed by our horses cannot be sufficient per se to affirm that horses are capable of self-recognition. | ||||
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| Publisher | Public Library of Science | Place of Publication | Editor | ||
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| Call Number | Equine Behaviour @ team @ | Serial | 6158 | ||
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| Author | KOIZUMI, R.; MITANI, T.; UEDA, K.; KONDO, S. | ||||
| Title | Skill reading of human social cues by horses (Equus caballus) reared under year-round grazing conditions | Type | Journal Article | ||
| Year | 2017 | Publication | Animal Behaviour and Management | Abbreviated Journal | |
| Volume | 53 | Issue | 2 | Pages | 69-78 |
| Keywords | horse behavior, human-horse communication, animal cognition, social cue | ||||
| Abstract | Animals use communicative signals, such as gesture or gaze, to communicate to someone the intention or expression of the sender, which is called social cue. In the previous studies, it was suggested the skill of reading human social cue in domestic animals are influenced to the domestication, the experience contacting with human and training to obey human. In this present study, we tested the skill for horses (Equus caballus) kept in year-round grazing conditions using 33 horses differed from breed and the degree of the experience with human by object-choice task subjects choosing either of bait boxes located at the end of experimenter. As results, non-socialized horses hardly responded to human social cues. Habituated horses that were both of trained and untrained responded to human social cues, but their accuracy rates were not more than 50% except for two trained subjects. For the skill of reading human social cues, there was high individual variation in responding to human social cues in horses kept in year-round grazing conditions. The individual characteristics influenced to it more than domestication, the experience with human, and training to obey human. | ||||
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| Call Number | Equine Behaviour @ team @ | Serial | 6168 | ||
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| Author | Lanata, A.; Guidi, A.; Valenza, G.; Baragli, P.; Scilingo, E. P. | ||||
| Title | The Role of Nonlinear Coupling in Human-Horse Interaction: a Preliminary Study | Type | Conference Article | ||
| Year | 2017 | Publication | 2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) | Abbreviated Journal | EMBC |
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| Abstract | This study focuses on the analysis of humanhorse dynamic interaction using cardiovascular information exclusively. Specifically, the Information Theoretic Learning (ITL) approach has been applied to a Human-Horse Interaction paradigm, therefore accounting for the nonlinear information of the heart-heart interplay between humans and horses. Heartbeat dynamics was gathered from humans and horses during three experimental conditions: absence of interaction, visual-olfactory interaction, and brooming. Cross Information Potential, Cross Correntropy, and Correntropy Coefficient were computed to quantitatively estimate nonlinear coupling in a group of eleven subjects and one horse. Results showed a statistical significant difference on all of the three interaction phases. Furthermore, a Support Vector Machine classifier recognized the three conditions with an accuracy of 90:9%. These preliminary and encouraging results suggest that ITL analysis provides viable metrics for the quantitative evaluation of human-horse interaction. |
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| Call Number | Equine Behaviour @ team @ | Serial | 6176 | ||
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| Author | Wolfrum, V.; Krueger, K. | ||||
| Title | Pferdegestützte Therapie für Flüchtlingskinder | Type | Journal Article | ||
| Year | 2017 | Publication | mensch & pferd international | Abbreviated Journal | mup |
| Volume | 2 | Issue | Pages | 65-68 | |
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| Abstract | Das Projekt    Viele Flüchtlinge kommen aus Kriegsgebieten zu uns nach Deutschland in der Hoffnung, hier ein neues Leben in Frieden beginnen zu können. Ein Großteil von ihnen hat Schreckliches erlebt und mit diesen Erinnerungen zu kämpfen. Auch ist es nicht einfach, in einem fremden Land mit einer fremden Kultur Fuß zu fassen, sich zu integrieren und neue Freundschaften zu schließen. | ||||
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| Call Number | Equine Behaviour @ team @ | Serial | 6179 | ||
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| Author | Pfammatter, M.; Huwiler, S.; Kägi, F.; Kopp, Ch.; Krüger, K.; Herholz, C. | ||||
| Title | Leistung und Stresslevel bei Maultieren während eines fünftägigen Gotthardtrecks [Performance et niveau de stress chez les mulets durant un trek de cinq jours sur le Gothard][Muli: prestazione e livello di stress durante una traversata del Gottardo di 5 giorni][Performance and stress level in mules during a five days Gotthard trek] | Type | Journal Article | ||
| Year | 2017 | Publication | Agrarforschung Schweiz | Abbreviated Journal | Agrarforschung Schweiz |
| Volume | 8 | Issue | (7-8) | Pages | 276-283 |
| Keywords | mules, Gotthard trek, glucocorticoid metabolites in faeces, vital parameters | ||||
| Abstract | Während einer fünftägigen Gotthardüberquerung im Sommer 2016 haben drei Maultiere als Tragtiere mit einer Gepäcklast von je 80 kg rund 94,46 Kilometer und 3�364 Höhenmeter bewältigt. Die Leistungsanforderung wurde anhand der Erholungswerte der Vitalparameter Herzfrequenz, Atemfrequenz und Körpertemperatur, sowie durch kontinuierliche Herzfrequenzmessung während der Belastung evaluiert. Die Bestimmung der Glucokortikoid- Metabolit Konzentration im Kot diente zur Einschätzung des Stresslevels der drei Maultiere. Die Erholungswerte der Herzfrequenzen der drei Maultiere lagen während allen Trekkingetappen in einem Bereich, der nicht auf eine Leistungsüberforderung schliessen liess. Anhand der kontinuierlichen Herzfrequenzaufzeichnung bei einem der Maultiere konnte gezeigt werden, dass die physische Leistungsanforderung im Ausdauerbereich lag. Wie als normale physiologische Reaktion des Körpers nach einer fünftägigen körperlichen Belastung erwartet, stieg Stresslevel gemessen an den Glucokortikoid- Metaboliten im Kot gegen Ende des Trecks bei allen Maultieren an. In der vorliegenden Studie konnte gezeigt werden, dass die Maultiere während des Gotthardtrecks ausdauernd belastbar waren, ohne durch die Anstrengung beeinträchtigt zu sein, die schon historisch von Maultieren abverlangt wurde.[ Durant une traversée du Gothard de cinq jours pendant l�été 2016, trois mulets ont été employés comme animaux de bât pour porter une charge de 80 kg sur 94,46 km, avec un dénivelé de 3364 m. Les exigences de performance ont été évaluées à partir des valeurs de récupération des paramètres vitaux (fréquence cardiaque, fréquence respiratoire et température corporelle) et de la fréquence cardiaque durant l�effort. La concentration en métabolites glucocorticoïdes dans le crottin a permis d�estimer le niveau de stress des trois animaux. Durant toute la durée du trek, les valeurs de récupération de la fréquence cardiaque des trois mulets étaient comprises dans un intervalle n�indiquant aucun effort excessif. La mesure constante des pulsations cardiaques a montré que l�intensité des performances physiques de ces animaux ne sortait pas de leur zone d�endurance. Comme on pouvait s�y attendre, le niveau de stress mesuré par le biais des métabolites glucocorticoïdes a augmenté chez tous les mulets à la fin du trek, réaction physiologique normale du corps après un effort de cinq jours. La présente étude a montré que durant un trek sur le Gothard, les mulets ont fait preuve d�endurance et de résistance, sans altération due à l�effort que l�on exige traditionnellement de leur part.][Nell�estate del 2016 tre muli impiegati come animali da soma hanno attraversato il Gottardo portando un carico di 80 kg ciascuno e percorrendo in cinque giorni un percorso di circa 94,46 chilometri con un dislivello di 3364 metri. La prestazione è stata valutata sulla base dei valori di recupero dei parametri vitali (frequenza cardiaca, frequenza respiratoria, temperatura corporea) e misurando costantemente la frequenza cardiaca sotto sforzo. Il livello di stress dei tre muli è stato valutato in funzione della concentrazione di metaboliti glicocorticoidi riscontrata nelle feci. In tutte le tappe del trekking i valori di recupero della frequenza cardiaca registrati nei muli rientravano in un intervallo che non lasciava supporre un sovraccarico. Sulla base della registrazione costante della frequenza cardiaca di uno dei tre muli è stato possibile dimostrare che l�intensità dello sforzo fisico non superava il loro intervallo di resistenza. Come previsto, verso la fine del trekking la concentrazione di metaboliti glicocorticoidi nelle feci di tutti e tre i muli indicava un aumento del livello di stress; si tratta di una reazione fisiologica normale dopo uno sforzo fisico di cinque giorni. Questo studio ha dimostrato che lo sforzo sopportato dai muli per portare un carico attraverso il Gottardo, un compito da secoli richiesto a questi animali, rientrava nel loro intervallo di resistenza e non ha avuto ripercussioni negative sul loro fisico.][In the summer of 2016, three pack mules, each carrying a load weighing 80kg, accompanied a 94.46km trek across the Gotthard Pass with a total altitude difference of 3,364m. The mules� performances were evaluated by measuring vital recovery parameters such as heart- and respiratory rates and body temperature, and by continuous heartrate monitoring during the trek. The stress levels of the animals were estimated by determining glucocorticoid metabolite levels in their faeces. Throughout the trekking days, recovery heartrates lay within a range which indicated that the animals were not being overworked. The continuous heartrate monitoring of one of the mules showed that its physical performance lay within the endurance zone. As expected, glucocorticoid metabolite levels were elevated in the faeces of all the mules � a normal physiological response after five consecutive days of exercise. The study shows the mules as being capable of performing at an endurance level during the Gotthard trek with no adverse affects on their health � a performance which was historically expected of the animals.] |
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| Call Number | Equine Behaviour @ team @ | Serial | 6180 | ||
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| Author | Krueger, K.; Marr, I.; Farmer, K. | ||||
| Title | Equine Cognition | Type | Book Chapter | ||
| Year | 2017 | Publication | Encyclopedia of Animal Cognition and Behavior | Abbreviated Journal | |
| Volume | Issue | Pages | 1-11 | ||
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| Publisher | Springer International Publishing | Place of Publication | Cham | Editor | Vonk, J.; Shackelford, T. |
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ISBN | 978-3-319-47829-6 | Medium | ||
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| Call Number | Equine Behaviour @ team @ Krueger2017 | Serial | 6181 | ||
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