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Author |
Graf, P.; Schneider, T.; KönigvonBorstel, U.; Gauly M. |
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Title |
Kosten-Nutzen-Analyse einer objektivierten Temperamentbeurteilung bei Pferden [Economic evaluation of an objective temperament assessment in horses] |
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Journal Article |
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Year |
2013 |
Publication |
Züchtungskunde |
Abbreviated Journal |
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Volume |
85 |
Issue |
2 |
Pages |
129-142 |
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Keywords |
Kosten, Nutzen, Interieurbeurteilung, Pferd, Temperament [Economy, personality assessment, horse, temperament] |
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Abstract |
Das Ziel der vorliegenden Studie war die Ermittlung der Kosten eines Verhaltenstests zur
objektiven Temperamentbeurteilung. Sie wurde an 1028 Pferden auf 55 Zuchtveranstaltungen
und Privatbetrieben ermittelt.
Weiterhin wurde eine Befragung zur allgemeinen Akzeptanz einer solchen Beurteilung
bei Reitpferden durchgeführt. Zusätzlich wurde mit Hilfe einer Online-Umfrage die
Meinung zu den Kosten und dem Aufwand einer solchen Beurteilung ermittelt. Die
Kosten der Einführung einer objektiven Temperamentbeurteilung entsprechen nach Einbeziehung
aller Faktoren ca. 18 Euro je Pferd. Den Kosten steht die Zahlungsbereitschaft
für eine verbesserte, da objektivierte Temperamentbeurteilung gegenüber. Insgesamt
56,7% der Befragten wären bereit, mehr als 11 Euro für eine objektive Interieurbeurteilung
auf Leistungsprüfungen im Feld zu investieren. Im Rahmen von Stationsprüfungen
wären sie sogar bereit mehr als 30 Euro aufzuwenden. Die Wertsteigerung eines im
Rahmen des Verfahrens positiv bewerteten Pferdes um 5%, die von den Teilnehmern der
Umfrage durchschnittlich angenommen wird, würde zusätzlich den Gewinn beim Pferdeverkauf
steigern. Die Ergebnisse zeigen, dass die Kosten einer objektiven Temperamentbeurteilung
durch eine erhöhte Zahlungsbereitschaft der Käufer scheinbar kompensiert
werden können, so dass die Einführung eines Temperamenttests zur objektiven Interieurbeurteilung
in Form der vorgestellten Untersuchungen grundsätzlich finanzierbar ist.
[The aim of the present study was to assess costs as well as riders’ acceptance of an
objective temperament evaluation in riding horses. Costs were determined based on a
novel object test conducted in 1028 horses tested on 65 occasions during performance
tests or in private stables. In addition, an online survey was used to identify riders’
opinion about the costs and benefits of such an assessment. Based on the conditions
assumed in the present study the costs for temperament testing have amount 18 Euro per
horse. More than 50% of the respondents were willing to pay more than 11 Euro for an
objective temperament assessment in their horses during performance tests in field.
Within performance tests on station they would spend more than 30 Euro for an objective temperament assessment. Participants further assumed a rise in value of favourably
assessed horses by 5%, leading to increased profits when selling the horse. In conclusion,
riders appear to be willing to cover the additional costs accrued from the temperament
test. Therefore, the introduction of an objective temperament assessment is likely to pay
off.] |
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0044-5401 |
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Equine Behaviour @ team @ |
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5866 |
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Author |
Waldern, N.M.; Wiestner, T.; Ramseier, L.C.; Amport, C.; Weishaupt, M.A. |
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Title |
Effects of shoeing on limb movement and ground reaction forces in Icelandic horses at walk, tölt and trot |
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Journal Article |
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Year |
2013 |
Publication |
The Veterinary Journal |
Abbreviated Journal |
Vet. J. |
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Volume |
198, Supplement 1 |
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Pages |
e103-e108 |
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Keywords |
Icelandic horse; Gait analysis; Ground reaction force; Kinematics; Shoeing; Tölt |
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Abstract |
Abstract Tölt is a symmetric four-beat gait with a speed range extending into that of trot and canter. Specific shoeing methods, such as unnaturally high and long hooves, are used to enforce individual gait predisposition. The aim of this study was to assess the consequences of this shoeing style on loading and movement of the limbs at walk, tölt and trot, and at different velocities. Simultaneous kinetic and kinematic gait analysis was carried out at walk (1.4 m/s) and at two tölting and trotting speeds (3.3 m/s and 3.9 m/s) on an instrumented treadmill. Thirteen sound Icelandic horses were first measured with high, long front hooves (SH) and, 1 week later, after trimming the hooves according to standard shoeing principles (SN). Comparing SH with SN, front hooves had 21 ± 5 mm longer dorsal hoof walls, and the shoeing material per hoof was 273 ± 50 g heavier. In all three gaits, gait quality, as it is currently judged, was improved with SH due to a lower stride rate, a longer stride length and a higher, but not wider, forelimb protraction arc, which were also positively associated with speed. Forelimb–hind limb balance remained unchanged, but limb impulses were higher. Apart from an increase of ⩽2.2% in the forelimbs at the faster speed of both tölt and trot, SH had little influence on vertical peak forces. |
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1090-0233 |
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Equine Behaviour @ team @ |
Serial |
5912 |
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Author |
Hopper, L.M.; Price, S.A.; Freeman, H.D.; Lambeth, S.P.; Schapiro, S.J.; Kendal, R.L. |
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Title |
Influence of personality, age, sex, and estrous state on chimpanzee problem-solving success |
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Journal Article |
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Year |
2013 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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Volume |
17 |
Issue |
4 |
Pages |
835-847 |
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Abstract |
Despite the importance of individual problem solvers for group- and individual-level fitness, the correlates of individual problem-solving success are still an open topic of investigation. In addition to demographic factors, such as age or sex, certain personality dimensions have also been revealed as reliable correlates of problem-solving by animals. Such correlates, however, have been little-studied in chimpanzees. To empirically test the influence of age, sex, estrous state, and different personality factors on chimpanzee problem-solving, we individually tested 36 captive chimpanzees with two novel foraging puzzles. We included both female (N = 24) and male (N = 12) adult chimpanzees (aged 14–47 years) in our sample. We also controlled for the females’ estrous state—a potential influence on cognitive reasoning—by testing cycling females both when their sexual swelling was maximally tumescent (associated with the luteinizing hormone surge of a female’s estrous cycle) and again when it was detumescent. Although we found no correlation between the chimpanzees’ success with either puzzle and their age or sex, the chimpanzees’ personality ratings did correlate with responses to the novel foraging puzzles. Specifically, male chimpanzees that were rated highly on the factors Methodical, Openness (to experience), and Dominance spent longer interacting with the puzzles. There was also a positive relationship between the latency of females to begin interacting with the two tasks and their rating on the factor Reactivity/Undependability. No other significant correlations were found, but we report tentative evidence for increased problem-solving success by the females when they had detumescent estrous swellings. |
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1435-9456 |
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Equine Behaviour @ team @ Hopper2013 |
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5932 |
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Author |
Millot, S.; Nilsson, J.; Fosseidengen, J.E.; Bégout, M.-L.; Fernö, A.; Braithwaite, V.A.; Kristiansen, T.S. |
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Title |
Innovative behaviour in fish: Atlantic cod can learn to use an external tag to manipulate a self-feeder |
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Journal Article |
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Year |
2013 |
Publication |
Animal Cognition |
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17 |
Issue |
3 |
Pages |
779-785 |
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Abstract |
This study describes how three individual fish, Atlantic cod (Gadus morhua L.), developed a novel behaviour and learnt to use a dorsally attached external tag to activate a self-feeder. This behaviour was repeated up to several hundred times, and over time these fish fine-tuned the behaviour and made a series of goal-directed coordinated movements needed to attach the feeder’s pull string to the tag and stretch the string until the feeder was activated. These observations demonstrate a capacity in cod to develop a novel behaviour utilizing an attached tag as a tool to achieve a goal. This may be seen as one of the very few observed examples of innovation and tool use in fish. |
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1435-9456 |
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Equine Behaviour @ team @ Millot2013 |
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5933 |
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Author |
Ducatez, S.; Audet, J.N.; Lefebvre, L. |
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Title |
Independent appearance of an innovative feeding behaviour in Antillean bullfinches |
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Journal Article |
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Year |
2013 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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16 |
Issue |
3 |
Pages |
525-529 |
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Behavioural innovations have been largely documented in birds and are thought to provide advantages in changing environments. However, the mechanisms by which behavioural innovations spread remain poorly known. Two major mechanisms are supposed to play a fundamental role: innovation diffusion by social learning and independent appearance of the same innovation in different individuals. Direct evidence for the independent emergence of the same innovation in different individuals is, however, lacking. Here, we show that a highly localized behavioural innovation previously observed in 2000 in Barbados, the opening of sugar packets by Loxigilla barbadensis bullfinches, persisted more than a decade later and had spread to a limited area around the initial site. More importantly, we found that the same innovation appeared independently in other, more distant, locations on the same island. On the island of St-Lucia, 145 km from Barbados, we also found that the sister species of the Barbados bullfinch, the Lesser Antillean bullfinch Loxigilla noctis developed the same innovation independently. Finally, we found that a third species, the Bananaquit Coereba flaveola, exploited the bullfinches’ technical innovation to benefit from this new food source. Overall, our observations provide the first direct evidence of the independent emergence of the same behavioural innovation in different individuals of the same species, but also in different species subjected to similar anthropogenic food availability. |
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1435-9456 |
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Equine Behaviour @ team @ Ducatez2013 |
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5934 |
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Author |
Wolter, R.; Pantel, N.; Möstl, E.; Krueger, K. |
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Title |
Die Rolle des Alpha-Hengstes in einer Przewalski Bachelor-Gruppe beim Erkunden einer neuen Fläche in einem Semi-Reservat |
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Conference Article |
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2013 |
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Göttinger Pferdetage'13 |
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66 |
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978-3-88542-782-7 |
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Equine Behaviour @ team @ |
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5946 |
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Fuchs, K.; Götz, K.; Manschel, K.; Pohl, L.; Preisendanz, L.; Weil, S.; Weiß, V.; Wittum, J.; Krueger, K. |
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Title |
Vergleich der Interaktionen von Pferden in Boxenhaltung mit Weidegang und Pferden in Offenstallhaltung |
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2013 |
Publication |
Göttinger Pferdetage’13 |
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13 |
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65 |
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978-3-88542-782-7 |
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Equine Behaviour @ team @ |
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5948 |
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Author |
Ruess, M.; Schmelz, A.; Krueger, K. |
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Title |
Einfluss vitomechanischer Schwingungen auf das Muskuloskeletalsystem der Pferde |
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Conference Article |
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2013 |
Publication |
Göttinger Pferdetage’13 |
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13 |
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111 |
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978-3-88542-782-7 |
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Equine Behaviour @ team @ |
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5949 |
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Author |
Lerbs, S.; Raue, T.; Krueger, K |
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Untersuchung der natürlichen Schiefe der Fohlen in Abhängigkeit zur sensorischen und motorischen Lateralität, sowie zur Seitenpräferenz beim Saugen |
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2013 |
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Göttinger Pferdetage’13 |
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13 |
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978-3-88542-782-7 |
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Equine Behaviour @ team @ |
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5950 |
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Author |
Krueger, K.; Lerbs, S. |
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Die Schiefe, und die motorische sowie sensorische Lateralität des Pferdes |
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2013 |
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Jahrestagung der DVG, Fachgruppe: Tierschutz & Ethologie und Tierhaltung Umwelt und Tierhygiene |
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ISBN 978-3-86345-177-6 |
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Equine Behaviour @ team @ |
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5951 |
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