| Records |
| Author |
Takaoka, A.; Maeda, T.; Hori, Y.; Fujita, K. |
| Title |
Do dogs follow behavioral cues from an unreliable human? |
Type |
Journal Article |
| Year |
2015 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim.Cogn. |
| Volume |
18 |
Issue |
2 |
Pages |
475-483 |
| Keywords |
Dog; Dog–human interaction; Selective trust; Pointing; Object choice task |
| Abstract |
Dogs are known to consistently follow human pointing gestures. In this study, we asked whether dogs “automatically” do this or whether they flexibly adjust their behavior depending upon the reliability of the pointer, demonstrated in an immediately preceding event. We tested pet dogs in a version of the object choice task in which a piece of food was hidden in one of the two containers. In Experiment 1, Phase 1, an experimenter pointed at the baited container; the second container was empty. In Phase 2, after showing the contents of both containers to the dogs, the experimenter pointed at the empty container. In Phase 3, the procedure was exactly as in Phase 1. We compared the dogs’ responses to the experimenter’s pointing gestures in Phases 1 and 3. Most dogs followed pointing in Phase 1, but many fewer did so in Phase 3. In Experiment 2, dogs followed a new experimenter’s pointing in Phase 3 following replication of procedures of Phases 1 and 2 in Experiment 1. This ruled out the possibility that dogs simply lost motivation to participate in the task in later phases. These results suggest that not only dogs are highly skilled at understanding human pointing gestures, but also they make inferences about the reliability of a human who presents cues and consequently modify their behavior flexibly depending on the inference. |
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| Publisher |
Springer Berlin Heidelberg |
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| Language |
English |
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1435-9448 |
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| Call Number |
Equine Behaviour @ team @ |
Serial |
5888 |
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| Author |
Skandakumar, S.; Stodulski, G.; Hau, J. |
| Title |
Salivary IgA: a Possible Stress Marker In Dogs |
Type |
Abstract |
| Year |
1995 |
Publication |
Animal Welfare |
Abbreviated Journal |
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| Volume |
4 |
Issue |
4 |
Pages |
339-350 |
| Keywords |
Animal Welfare; Behaviour; Cortisol; Dog; Salivary Iga (S-Iga); Stress; Well-Being |
| Abstract |
Stress in humans has been reported to be associated with a decrease in the salivary immunoglobulin A (s-IgA) levels enabling the possible use of s-IgA to assess stress. Prolonged stress, if reliably assessed in a non-invasive manner, may be used to assess animal welfare. This study analysed groups of dogs undergoing physical and temperamental training and s-IgA levels were measured by rocket immunoelectrophoresis in prospective samples. Behavioural assessment was carried out and cortisol levels in saliva were measured by ELISA. A significant negative correlation (P < 0.007) between the logarithmic cortisol concentrations and s-IgA levels in saliva was recorded. The behavioural assessment of the dogs agreed well with the biochemical markers. It is concluded that IgA levels in saliva may be a useful marker of dog well-being and that stress results in decreased s-IgA levels. |
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no |
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Equine Behaviour @ team @ |
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5964 |
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| Author |
Gehring, T.M.; VerCauteren, K.C.; Provost, M.L.; Cellar, A.C. |
| Title |
Utility of livestock-protection dogs for deterring wildlife from cattle farms |
Type |
Journal Article |
| Year |
2010 |
Publication |
Wildl. Res. |
Abbreviated Journal |
Wildl. Res. |
| Volume |
37 |
Issue |
8 |
Pages |
715-721 |
| Keywords |
bovine tuberculosis, coyote, grey wolf, livestock protection dog, mesopredators, white-tailed deer, wildlife damage management. |
| Abstract |
Context. Livestock producers worldwide are negatively affected by livestock losses because of predators and wildlife-transmitted diseases. In the western Great Lakes Region of the United States, this conflict has increased as grey wolf (Canis lupus) populations have recovered and white-tailed deer (Odocoileus virginianus) have served as a wildlife reservoir for bovine tuberculosis (Myobacterium bovis).Aims. We conducted field experiments on cattle farms to evaluate the effectiveness of livestock-protection dogs (LPDs) for excluding wolves, coyotes (C. latrans), white-tailed deer and mesopredators from livestock pastures.Methods. We integrated LPDs on six cattle farms (treatment) and monitored wildlife use with tracking swaths on these farms, concurrent with three control cattle farms during 2005-2008. The amount of time deer spent in livestock pastures was recorded using direct observation.Key results. Livestock pastures protected by LPDs had reduced use by these wildlife compared with control pastures not protected by LPDs. White-tailed deer spent less time in livestock pastures protected by LPDs compared with control pastures not protected by LPDs.Conclusions. Our research supports the theory that LPDs can be an effective management tool for reducing predation and disease transmission. We also demonstrate that LPDs are not limited to being used only with sheep and goats; they can also be used to protect cattle.Implications. On the basis of our findings, we support the use of LPDs as a proactive management tool that producers can implement to minimise the threat of livestock depredations and transmission of disease from wildlife to livestock. LPDs should be investigated further as a more general conservation tool for protecting valuable wildlife, such as ground-nesting birds, that use livestock pastures and are affected by predators that use these pastures. |
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no |
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Equine Behaviour @ team @ |
Serial |
6575 |
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| Author |
Pongrácz, P.; Miklósi, Á.; Vida, V.; Csányi, V. |
| Title |
The pet dogs ability for learning from a human demonstrator in a detour task is independent from the breed and age |
Type |
Journal Article |
| Year |
2005 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
| Volume |
90 |
Issue |
3 |
Pages |
309-323 |
| Keywords |
Dog; Breed differences; Social learning |
| Abstract |
There are many indications and much practical knowledge about the different tasks which various breeds of dogs are selected for. Correspondingly these different breeds are known to possess different physical and mental abilities. We hypothesized that commonly kept breeds will show differences in their problem solving ability in a detour task around a V-shaped fence, and also, that breed differences will affect their learning ability from a human demonstrator, who demonstrates a detour around the fence. Subjects were recruited in Hungarian pet dog schools. We compared the results of the 10 most common breeds in our sample when they were tested in the detour task without human demonstration. There was no significant difference between the latencies of detour, however, there was a trend that German Shepherd dogs were the quickest and Giant Schnauzers were the slowest in this test. For testing the social learning ability of dogs we formed three breed groups (“utility”, “shepherd” and “hunting”). There were no significant differences between these, all the breed groups learned equally well from the human demonstrator. However, we found that dogs belonging to the “shepherd” group looked back more frequently to their owner than the dogs in the “hunting” group. Further, we have found that the age of pet dogs did not affect their social learning ability in the detour task. Our results showed that the pet status of a dog has probably a stronger effect on its cognitive performance and human related behaviour than its age or breed. These results emphasize that socialization and common activities with the dog might overcome the possible breed differences, if we give the dogs common problem solving, or social learning tasks. |
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0168-1591 |
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no |
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Equine Behaviour @ team @ |
Serial |
6584 |
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| Author |
Brauer, J.; Kaminski, J.; Riedel, J.; Call, J.; Tomasello, M. |
| Title |
Making inferences about the location of hidden food: social dog, causal ape |
Type |
Journal Article |
| Year |
2006 |
Publication |
Journal of comparative psychology |
Abbreviated Journal |
J Comp Psychol |
| Volume |
120 |
Issue |
1 |
Pages |
38-47 |
| Keywords |
Animals; Communication; Cues; Dogs; Exploratory Behavior; *Feeding Behavior; Female; *Food; Male; Pan paniscus; Pan troglodytes; *Visual Perception |
| Abstract |
Domestic dogs (Canis familiaris) and great apes from the genus Pan were tested on a series of object choice tasks. In each task, the location of hidden food was indicated for subjects by some kind of communicative, behavioral, or physical cue. On the basis of differences in the ecologies of these 2 genera, as well as on previous research, the authors hypothesized that dogs should be especially skillful in using human communicative cues such as the pointing gesture, whereas apes should be especially skillful in using physical, causal cues such as food in a cup making noise when it is shaken. The overall pattern of performance by the 2 genera strongly supported this social-dog, causal-ape hypothesis. This result is discussed in terms of apes' adaptations for complex, extractive foraging and dogs' adaptations, during the domestication process, for cooperative communication with humans. |
| Address |
Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany. jbraeuer@eva.mpg.de |
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Washington, D.C. : 1983 |
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English |
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0735-7036 |
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| Notes |
PMID:16551163 |
Approved |
yes |
| Call Number |
refbase @ user @ |
Serial |
597 |
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