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| Author | Hinz, K.; Sennet, S.; Maros, K.; Krueger, K. | ||||
| Title | Waiting behaviour in front of a computerized feeding system in an active stable – Effects on heart rate, heart rate variability and sensory laterality in horses | Type | Book Chapter | ||
| Year | 2015 | Publication  |
Current research in applied ethology [Aktuelle Arbeiten zur artgemäßen Tierhaltung | Abbreviated Journal | |
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| Keywords | computerized feeding, waiting situation, stress, horse | ||||
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| Publisher | KTBL-Schrift 510 | Place of Publication | Darmstadt | Editor | |
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| ISSN | ISBN | 978-3-945088-13-5 | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5927 | ||
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| Author | Krueger K., Farmer K., Byrne R. | ||||
| Title | The use of sensory laterality for indicating emotional and cognitive reactions on environmental stimuli in animals [Die sensorische Lateralität als Indikator für emotionale und kognitive Reaktionen auf Umweltreize beim Tier]. | Type | Book Chapter | ||
| Year | 2011 | Publication |
Current research in applied ethology [Aktuelle Arbeiten zur artgemäßen Tierhaltung | Abbreviated Journal | |
| Volume | Issue | Pages | 13-23 | ||
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| Abstract | Summary Many animals are lateralized when using sensory organs such as the eyes, ears or nostrils. Sensory laterality is not, as previously believed, caused by adjustment to motor laterality, but rather by one sided information processing in the particular brain hemi-spheres. While the right hemisphere predominantly analyses emotional information, the left hemisphere governs controlled rational, cognitive decisions. Since the brain hemi-spheres are largely connected with contralateral sensory organs, it is possible to infer how the information may be being interpreted by the side of preferred eye, ear or nostril used. The left eye usually dominates in emotional situations, i.e. fear or positive ex-citement, and the right eye in rational situations. Moreover, laterality increases when animals are stressed, e.g. when animals are confronted with anthropogenic or natural factors they can not handle, such as unsuitable housing or training conditions or un-avoidable predation pressure and social competition. A strong or increasing laterality could therefore potentially indicate welfare issues. Zusammenfassung Viele Tiere zeigen eine eindeutige sensorische Lateralität, sprich sie benutzen bevor-zugt ein Auge, ein Ohr, oder eine Nüster zur Aufnahme von Sinneseindrücken. Dies korreliert in den meisten Fällen nicht mit der motorischen Lateralität, sondern wird viel mehr durch die einseitige Verarbeitung von Informationen in den jeweiligen Gehirnhe-misphären bedingt. So werden emotionale Reaktionen von der rechten, reaktiven Ge-hirnhemisphäre und rationale Reaktionen von der linken, kognitiven Gehirnhemisphäre gesteuert. Da die Gehirnhälften zum Großen Teil mit den kontrolateralen Sinnesorga-nen verbunden sind lässt die Seite mit welcher Sinneseindrücke aufgenommen werden Schlüsse auf deren Informationsgehalt zu. So zeigen Tiere bei linksseitiger Aufnahme von Sinneseindrücken vermehrt reaktive, emotionalen Reaktionen, wie etwa bei Angst oder freudige Erregung, und bei rechtsseitig aufgenommene Sinneseindrücke eher rationales, gesteuertes Verhalten. Zudem verstärkt sich die sensorische Lateralität wenn Tiere Stress erfahren, sprich wenn sie wiederholt mit Situationen anthropogenen oder natürlichen Ursprungs konfrontiert werden denen sie nicht gewachsen sind, wie etwa bei unpassenden Haltungs- und Trainingsbedingungen, oder bei unausweichli-chem Raubtierdruck und sozialer Konkurrenz. Eine stark ausgeprägte, zunehmende sensorische Lateralität kann daher auf ein beeinträchtigtes Wohlergehen der Tiere hinweisen. |
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| Publisher | KTBL | Place of Publication | Darmstadt | Editor | Erhard,M. ; Pollmann, U.; Puppe, B.; Reiter,K.; Waiblinger , S. |
| Language | Greman | Summary Language | Original Title | ||
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| ISSN | ISBN | 978-3-941583-58-0 | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5445 | ||
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| Author | Wolter, R.; Krueger, K. | ||||
| Title | Einflussfaktoren auf das Grooming-Verhalten bei wilden und verwilderten Pferden [Influencing factors on grooming behaviour in wild living horses] | Type | Book Chapter | ||
| Year | 2015 | Publication |
Current research in applied ethology [Aktuelle Arbeiten zur artgemäßen Tierhaltung] KTBL Schrift 510 | Abbreviated Journal | KTBL Schrift 510 |
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| Abstract | Die soziale Fellpflege wurde bei Equiden intensiv erforscht. Es stellte sich heraus, dass diverse Faktoren das Grooming-Verhalten beeinflussen können. Neben saisonalen Gegebenheiten sind dies vor allem soziale Faktoren, wie das Alter und Geschlecht der Tiere, die Hierarchie und Gruppenzusammensetzung sowie die Verwandtschaftsverhältnisse der Tiere untereinander. Diese Faktoren können sowohl bei der Häufigkeit der sozialen Fellpflege, als auch bei der Wahl des Partners eine entscheidende Rolle spielen. Zudem konnte gezeigt werden, dass auch das Aggressivitätslevel in einer Gruppe Einfluss auf das soziale Verhalten und die soziale Fellpflege nehmen kann. Inwiefern zwei Individuen, die sich häufig groomen, auch bevorzugt beieinander stehen, konnte bislang noch nicht eindeutig gezeigt werden, da es hierzu diverse Studien mit konträren Ergebnisse gibt. Dieser Aspekt sollte zukünftig dringend untersucht werden, da die beiden Datensätze häufig gemeinsam verwendet werden, um soziale Bindungen zu berechnen, ohne dass bislang ein eindeutiger Zusammenhang zwischen ihnen ermittelt werden konnte. [Summary Social grooming has been investigated intensively in Equids during the last years and several factors are known to influence the grooming behaviour. Beside seasonal conditions these are especially social factors as age and sex, hierarchy and group composition as well as kinship. These factors can affect the grooming frequencies and influence the choice of the grooming partner. Moreover, it could be demonstrated that the groups’ aggression level can influence the social behaviour and the grooming intensity. If individuals which show an increased grooming frequency often stand in close proximity as well, has not been affirmed, as, so far, no distinct correlation has been demonstrated. This aspect has to be investigated urgently, as both data sets are often used in combination for calculating social bonds.] |
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| Publisher | KTBL-Schrift 510 | Place of Publication | Darmstadt | Editor | |
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| ISSN | ISBN | 978-3-945088-13-5 | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 5928 | ||
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| Author | Seferta, A.; Guay, P.-J.; Marzinotto, E.; Lefebvre, L. | ||||
| Title | Learning Differences between Feral Pigeons and Zenaida Doves: The Role of Neophobia and Human Proximity | Type | Journal Article | ||
| Year | 2001 | Publication |
Ethology | Abbreviated Journal | Ethology |
| Volume | 107 | Issue | Pages | 281-293 | |
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| Abstract | Learning differences predicted from ecological variables can be confounded with differences in wariness of novel stimuli (neophobia). Previous work on feral pigeons (Columba livia), as well as on group-feeding and territorial zenaida doves (Zenaida aurita), reported individual and social learning differences predicted from social foraging mode. In the present study, we show that speed of learning a foraging task covaries with neophobia and latency to feed from a familiar dish in the three types of columbids. Pigeons were much faster than either territorial or group-feeding zenaida doves on all tests conducted in captivity, but showed unexpectedly strong neophobia in some urban flocks during field tests. Human proximity strongly affected performance in group-feeding doves both in the field and in captivity. They were slightly faster at learning than their territorial conspecifics in cage tests. In multiple regressions, species identity, but not social foraging mode, significantly predicted individual variation in learning, as did individual variation in neophobia. Wariness of novel stimuli and species differences associated with artificial selection appear to be more important than foraging mode and wariness of humans in accounting for learning differences between these columbids. | ||||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 2184 | ||
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| Author | Sakura O; Matsuzawa T | ||||
| Title | Flexibility of wild chimpanzees nut-cracking behavior using stone hammers and anvils: an experimental analysis | Type | Journal Article | ||
| Year | 1991 | Publication |
Ethology | Abbreviated Journal | Ethology |
| Volume | 87 | Issue | Pages | 237 | |
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 3038 | ||
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| Author | Hampton, R.R. | ||||
| Title | Animal Minds: Beyond Cognition to Consciousness | Type | Journal Article | ||
| Year | 2001 | Publication |
Ethology | Abbreviated Journal | Ethology |
| Volume | 107 | Issue | Pages | 1055-1056 | |
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| Notes | Approved | no | |||
| Call Number | refbase @ user @ | Serial | 3487 | ||
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| Author | Rendall, D. | ||||
| Title | Review of Machiavellian Intelligence II: Extensions and Evaluations | Type | Journal Article | ||
| Year | 1999 | Publication |
Ethology | Abbreviated Journal | Ethology |
| Volume | 105 | Issue | 2 | Pages | 178-182 |
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 3998 | ||
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| Author | Koops, M.A.; Abrahams, M.V. | ||||
| Title | Assessing the Ideal Free Distribution: Do Guppies Use Aggression as Public Information about Patch Quality? | Type | Journal Article | ||
| Year | 1999 | Publication |
Ethology | Abbreviated Journal | Ethology |
| Volume | 105 | Issue | 9 | Pages | 737-746 |
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| Abstract | Aggression can be costly to foragers, yet some recent research suggests that foragers should use aggression as a cue to patch quality (the attractive aggression hypothesis). If aggression is predictive of patch quality, then the attractive aggression hypothesis predicts that the distribution of foragers should follow the distribution of aggression. If, instead, aggression is repulsive because it is costly, then the distribution of foragers should diverge from the distribution of aggression. We tested the attractive aggression hypothesis using female guppies, Poecilia reticulata, and found that the distribution of foragers followed the distribution of food, but was unaffected by the distribution of aggression. These data do not support the attractive aggression hypothesis, but instead suggest that the distribution of aggression is a consequence of the distribution of foragers, and that aggression is not used as public information about patch quality. | ||||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 4271 | ||
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| Author | Ceacero, F.; Landete-Castillejos, T.; Garcia, A.J.; Estevez, J.A.; Gallego, L. | ||||
| Title | Kinship Discrimination and Effects on Social Rank and Aggressiveness Levels in Iberian Red Deer Hinds | Type | Journal Article | ||
| Year | 2007 | Publication |
Ethology | Abbreviated Journal | Ethology |
| Volume | 113 | Issue | 12 | Pages | 1133-1140 |
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| Abstract | Abstract Kin recognition is a widespread phenomenon that allows individuals to benefit by enhancing their inclusive fitness, and one of its most common forms is reducing aggressiveness towards relatives. We carried out an experiment with Iberian red deer hinds (Cervus elaphus hispanicus) in order to examine kin biases in dominance behaviour and its consequences on social rank. Three enclosed groups (n = 36, 23 and 21, respectively) were monitored during two lactation seasons and social rank hierarchies were assessed by analysing aggressive interactions matrices with Matman 1.1 software. Aggressive interactions between related hinds was significantly smaller than expected (chi2 = 5.02, df = 1, p = 0.025), not only between mother and daughter but also in second and third kinship degrees. Although rates of aggressiveness were similar to data published relating free-ranging C. e. scoticus, aggressive interactions with relatives were significantly smaller (chi2 = 39.0, df = 1, p < 0.001). This reduction of aggressiveness between related hinds was not the result of these hinds having a lower social rank: social rank was only related to age and weight, but not to kinship degree, calf sex or calving date. The decrease of aggressiveness towards first-, second- and third-degree relatives shows a complex kin recognition system in deer. Possible nepotistic roles in lactation include preventing milk thefts by non-kin and disturbing feeding of unrelated hinds. | ||||
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| Call Number | Equine Behaviour @ team @ | Serial | 4311 | ||
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| Author | Pannozzo, P.L.; Phillips, K.A.; Haas, M.E.; Mintz, E.M. | ||||
| Title | Social Monitoring Reflects Dominance Relationships in a Small Captive Group of Brown Capuchin Monkeys (Cebus apella) | Type | Journal Article | ||
| Year | 2007 | Publication |
Ethology | Abbreviated Journal | Ethology |
| Volume | 113 | Issue | 9 | Pages | 881-888 |
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| Abstract | Abstract In several studies of social monitoring in primates, subordinate animals directed more visual attention toward dominant animals than vice versa. This behavior is thought to enable subordinate animals to avoid conflict. We sought to clarify whether visual attention behavior functions in this manner in a small captive group of brown capuchin monkeys, Cebus apella. We tested the hypothesis that social monitoring is related to dominance status. Dominance status was determined based on the directionality of aggressive behavior, and visual attention was quantified by using focal animal sampling. Subordinate animals directed significantly more visual attention toward others than dominant animals. Subordinate animals also looked more frequently at the animals that attacked them and others the most. The results indicate that social monitoring behavior in this captive group was driven by conflict-avoidance. | ||||
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| Call Number | Equine Behaviour @ team @ | Serial | 4312 | ||
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