| Records |
| Author |
Klingel H, |
| Title |
A Comparison of the Social Organization of the Equids. in Denniston RH (ed) |
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Conference Volume |
| Year |
1980 |
Publication |
Symposium on the Ecology and Behavior of Wild and Feral Equids, Laramie 1979 |
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Pages |
23-30 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
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1315 |
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| Author |
Ruffner Ga, C.S. |
| Title |
Age structure, condition, and reproduction of two burro (Equus asinus) populations from Grand Canyon National Park, Arizona |
Type |
Conference Volume |
| Year |
1979 |
Publication |
Symposium on the Ecology and Behavior of wild and feral Equids, Laramie |
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Pages |
235 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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1534 |
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| Author |
Schilder, M.B. H. |
| Title |
Interventions in a herd of semi – captive Plains zebras |
Type |
Journal Article |
| Year |
1990 |
Publication |
Behavior |
Abbreviated Journal |
Behaviour |
| Volume |
112 |
Issue |
1-2 |
Pages |
53-83 |
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| Abstract |
n a herd of semi-captive plains zebras interventions, which occurred within the harems, were investigated in order to answer the question why zebras interfered. These interventions are of interest because they regulate the contacts between companions and because, as corrective and preventive measures, they reveal the normative principles underlying the behaviours by which animals structure their social environment. An attempt was made to deduce 1) the internal norms of the interferer; 2) his short term aims; 3) his tactis and 4) his perception of the social environment. The analysis revealed that in the case of an affiliative interaction foals, yearlings and adult mares started to interfere if a friend had an affiliative contact with another zebra. In view of the interferer's behaviours it was concluded that their aim was to break off the ongoing interaction and that zebras tended to protect friendship bonds. Foals and yearlings further interfered if their mother was being threatened, attacked or sexually approached by a stallion. In view of the interferer's behaviours its aim was to prevent iminent interactions or to break off ongoing interactions. This suggests that these interventions were of a protective nature. The interferer's behaviours in both contexts ware very much alike. Mares tended to interfere if their foal/yearling or adult daughter was threathened or aggressed or if a mare friend was being sexually approached by a stallion. This type of intervention was of a protective nature. Stallions in a multi male harem showed a high tendency to interfere in courtship interactions. From the resemblance between interventions in courtship and in aggressive interactions it is concluded that, at leat in a number of cases, the individuals have perceived courtship behaviour by the stallion as a threat towards the mare involved. |
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no |
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1565 |
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| Author |
Waring Gh, |
| Title |
Behavioral adaptation as a factor in management of feral equids |
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Conference Volume |
| Year |
1979 |
Publication |
Symposium on the Ecology and Behavior of wild and feral Equids, Laramie |
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85-92 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
1697 |
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| Author |
Wolfe Ml, |
| Title |
Feral horse demography: A preliminary report (Abstract) |
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Conference Volume |
| Year |
1979 |
Publication |
Symposium on the Ecology and Behavior of wild and feral Equids, Laramie |
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173-174 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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1715 |
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| Author |
Wolfe Ml, |
| Title |
Population ecology of the kulan |
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Conference Volume |
| Year |
1979 |
Publication |
Symposium on the Ecology and Behavior of wild and feral Equids, Laramie |
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205-218 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
1716 |
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| Author |
Woodward Sl, |
| Title |
Population dynamics of a herd of feral burros (Abstract) |
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Conference Volume |
| Year |
1979 |
Publication |
Symposium on the Ecology and Behavior of wild and feral Equids, Laramie |
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Pages |
219-220 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
1719 |
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| Author |
Zervanos Sm, K.R. |
| Title |
Seasonal home ranges and activity patterns of feral assateague island ponies |
Type |
Conference Volume |
| Year |
1979 |
Publication |
Symposium on the Ecology and Behavior of wild and feral Equids, Laramie |
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3-14 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
1753 |
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| Author |
Dougherty, D.M.; Lewis, P. |
| Title |
Stimulus generalization, discrimination learning, and peak shift in horses |
Type |
Journal Article |
| Year |
1991 |
Publication |
Journal of the experimental analysis of behavior |
Abbreviated Journal |
J Exp Anal Behav |
| Volume |
56 |
Issue |
1 |
Pages |
97-104 |
| Keywords |
Animals; *Appetitive Behavior; Attention; *Conditioning, Operant; *Discrimination Learning; Female; *Generalization, Stimulus; Horses/*psychology; Male; *Pattern Recognition, Visual; Size Perception |
| Abstract |
Using horses, we investigated three aspects of the stimulus control of lever-pressing behavior: stimulus generalization, discrimination learning, and peak shift. Nine solid black circles, ranging in size from 0.5 in. to 4.5 in. (1.3 cm to 11.4 cm) served as stimuli. Each horse was shaped, using successive approximations, to press a rat lever with its lip in the presence of a positive stimulus, the 2.5-in. (6.4-cm) circle. Shaping proceeded quickly and was comparable to that of other laboratory organisms. After responding was maintained on a variable-interval 30-s schedule, stimulus generalization gradients were collected from 2 horses prior to discrimination training. During discrimination training, grain followed lever presses in the presence of a positive stimulus (a 2.5-in circle) and never followed lever presses in the presence of a negative stimulus (a 1.5-in. [3.8-cm] circle). Three horses met a criterion of zero responses to the negative stimulus in fewer than 15 sessions. Horses given stimulus generalization testing prior to discrimination training produced symmetrical gradients; horses given discrimination training prior to generalization testing produced asymmetrical gradients. The peak of these gradients shifted away from the negative stimulus. These results are consistent with discrimination, stimulus generalization, and peak-shift phenomena observed in other organisms. |
| Address |
Department of Psychology, Ohio University, Athens 45701 |
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English |
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0022-5002 |
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| Notes |
PMID:1940765 |
Approved |
no |
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1764 |
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| Author |
Scheibe, K.M.; Gromann, C. |
| Title |
Application testing of a new three-dimensional acceleration measuring system with wireless data transfer (WAS) for behavior analysis |
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| Year |
2006 |
Publication |
Behavior research methods |
Abbreviated Journal |
Behav Res Methods |
| Volume |
38 |
Issue |
3 |
Pages |
427-433 |
| Keywords |
Acceleration; Animals; *Behavior, Animal; Cattle; Cattle Diseases/*diagnosis; Computer Communication Networks/*instrumentation; Forelimb/physiopathology; Fractals; Hindlimb/physiopathology; Horse Diseases/*diagnosis; Horses; Imaging, Three-Dimensional/instrumentation/methods/veterinary; Lameness, Animal/*diagnosis; Monitoring, Ambulatory/instrumentation/*methods; Motor Activity; Movement; Pattern Recognition, Automated/methods |
| Abstract |
A wireless acceleration measurement system was applied to free-moving cows and horses. Sensors were available as a collar and a flat box for measuring leg or trunk movements. Results were transmitted simultaneously by radio or stored in an 8-MB internal memory. As analytical procedures, frequency distributions with standard deviations, spectral analyses, and fractal analyses were applied. Bymeans of the collar sensor, basic behavior patterns (standing, grazing, walking, ruminating, drinking, and hay uptake) could be identified in cows. Lameness could be detected in cows and horses by means of the leg sensor. The portion of basic and harmonic spectral components was reduced; the fractal dimension was reduced. The system can be used for the detection and analysis of even small movements of free-moving humans or animals over several hours. It is convenient for the analysis of basic behaviors, emotional reactions, or events causing flight or fright or for comparing different housing elements, such as floors or fences. |
| Address |
Institute for Zoo and Wildlife Research, Berlin, Germany. kscheibe@izw-berlin.de |
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1554-351X |
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PMID:17186752 |
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no |
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1775 |
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