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| Author | BERNITSCHKE K et al, | ||||
| Title | Chromosome complement: differences between Equus caballus and Equus przewalskii, Poliakoff | Type | Journal Article | ||
| Year | 1965 | Publication | Abbreviated Journal | Science | |
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148 | Issue | Pages | 382 | |
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| Notes | from Professor Hans Klingels Equine Reference List | Approved | no | ||
| Call Number | Serial | 943 | |||
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| Author | Singh,M.; Singh,M.; Sharma, A. K.; Krishna B. A. | ||||
| Title | Methodological considerations in measurement of dominance in primates | Type | Journal Article | ||
| Year | 2003 | Publication | CURRENT SCIENCE | Abbreviated Journal | CURRENT SCIENCE |
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84 | Issue | 5 | Pages | 709-713 |
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| Abstract | The strength of dominance hierarchy in a group of animals needs to be quantitatively measured since it influences many other aspects of social interactions. This article discusses three attempts made by previous researchers to measure the strength of hierarchy. We propose a method which attempts to rectify the lacunae in the previous attempts. Data are used from a group of Japanese macaques housed in a colony. A method to calculate strength of hierarchy has been illustrated and a procedure has been suggested to normalize the dominance scores in order to place the ranks of individuals on an interval scale. |
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| Publisher | Biopsychology Laboratory, Department of Psychology, University of Mysore, Mysore 570 006, India | Place of Publication | Editor | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 2860 | ||
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| Author | Vlajkoviç, S.; Nikoliç, V.; Nikoliç, A.; Milanoviç, S.žA.; Jankoviç, B.D. | ||||
| Title | Asymmetrical Modulation of Immune Reactivity in Left- and Right-Biased Rats After Ipsilateral Ablation of the Prefrontal, Parietal and Occipital Brain Neocortex | Type | Journal Article | ||
| Year | 1994 | Publication | Int J Neurosci | Abbreviated Journal | International Journal of Neuroscience |
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78 | Issue | 1-2 | Pages | 123-134 |
| Keywords | Brain asymmetry, brain neocortex, cortical ablation, rotational behavior, rotational bias, immune responses, neuroimmunomodulation, neuroimmunology | ||||
| Abstract | We report here on the lateralized brain immunomodulation in male Wistar rats, a phenomenon related to the rotational bias of animal and the site of cortical lesion. Rats assigned to left- and right-rotators in a cylindrical Plexiglass rotometer were subjected to the ablation of the ipsilateral prefrontal cortex (PFC), parietal cortex (PC) and occipital cortex (OC) and sensitized with bovine serum albumin (BSA) in complete Freund's adjuvant. Intact and sham-lesioned left-biased animals demonstrated increased Arthus and delayed hypersensitivity skin reactions and antibody production to BSA in comparison with corresponding right-biased animals. PFC ablation decreased humoral and cellular immune responses to BSA in left- but increased in right-biased rats. Lesioning of PC decreased humoral immune reactions in left- but increased in right-rotating animals. OC ablation failed to produce immunological abnormalities, These results suggest that immunopotentiation is associated with the left neocortex, and immunosuppression with the right neocortex. The prefrontal cortex appears to be particularly associated with immune reactions. | ||||
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| Publisher | Informa Clin Med | Place of Publication | Editor | ||
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| ISSN | 0020-7454 | ISBN | Medium | ||
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| Notes | doi: 10.3109/00207459408986051 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 5777 | ||
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| Author | Hartmann, E.; Christensen, J.W.; McGreevy, P.D. | ||||
| Title | Dominance and Leadership: Useful Concepts in Human-Horse Interactions? | Type | Journal Article | ||
| Year | 2017 | Publication | Journal of Equine Veterinary Science | Abbreviated Journal | Proceedings of the 2017 Equine Science Symposium |
| Volume |
52 | Issue | Pages | 1-9 | |
| Keywords | Horse; Social order; Dominance hierarchy; Aggression; Injury; Learning; Training | ||||
| Abstract | Dominance hierarchies in horses primarily influence priority access to limited resources of any kind, resulting in predictable contest outcomes that potentially minimize aggressive encounters and associated risk of injury. Levels of aggression in group-kept horses under domestic conditions have been reported to be higher than in their feral counterparts but can often be attributed to suboptimal management. Horse owners often express concerns about the risk of injuries occurring in group-kept horses, but these concerns have not been substantiated by empirical investigations. What has not yet been sufficiently addressed are human safety aspects related to approaching and handling group-kept horses. Given horse's natural tendency to synchronize activity to promote group cohesion, questions remain about how group dynamics influence human-horse interactions. Group dynamics influence a variety of management scenarios, ranging from taking a horse out of its social group to the prospect of humans mimicking the horse's social system by taking a putative leadership role and seeking after an alpha position in the dominance hierarchy to achieve compliance. Yet, there is considerable debate about whether the roles horses attain in their social group are of any relevance in their reactions to humans. This article reviews the empirical data on social dynamics in horses, focusing on dominance and leadership theories and the merits of incorporating those concepts into the human-horse context. This will provide a constructive framework for informed debate and valuable guidance for owners managing group-kept horses and for optimizing human-horse interactions. | ||||
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| ISSN | 0737-0806 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 6712 | ||
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| Author | Burden, F.; Thiemann, A. | ||||
| Title | Donkeys Are Different | Type | Journal Article | ||
| Year | 2015 | Publication | Journal of Equine Veterinary Science | Abbreviated Journal | Proceedings of the 2015 Equine Science Society Symposium |
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35 | Issue | 5 | Pages | 376-382 |
| Keywords | Donkey; Ass; Equid; Mule | ||||
| Abstract | As a unique species of equine, the donkey has certain specific variations from the horse. This review highlights the origins of the donkey and how this impacts on its behavior, physiology, and propensity to disease. The donkey is less of a flight animal and has been used by humans for pack and draught work, in areas where their ability to survive poorer diets, and transboundary disease while masking overt signs of pain and distress has made them indispensable to human livelihoods. When living as a companion animal, however, the donkey easily accumulates adipose tissue, and this may create a metabolically compromised individual prone to diseases of excess such as laminitis and hyperlipemia. They show anatomic variations from the horse especially in the hoof, upper airway, and their conformation. Variations in physiology lead to differences in the metabolism and distribution of many drugs. With over 44 million donkeys worldwide, it is important that veterinarians have the ability to understand and treat this equid effectively. | ||||
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| ISSN | 0737-0806 | ISBN | Medium | ||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 6541 | ||
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| Author | Sato, S.; Sako, S.; Maeda, A. | ||||
| Title | Social licking patterns in cattle (<em>Bos taurus</em>): influence of environmental and social factors | Type | Journal Article | ||
| Year | 1991 | Publication | Applied Animal Behaviour Science | Abbreviated Journal | Applied Animal Behaviour Science |
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32 | Issue | 1 | Pages | 3-12 |
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| Abstract | To investigate the functions of social licking in cattle, four calves (one heifer and one steer in each of two herds), known to exhibit frequent social licking were observed continuously for 2 h before sunset for 13 days, using the focal animal sampling method. Calves were observed under various environmental conditions. Social licking significantly decreased on rainy days and tended to increase in a dirty barn and when food was restricted. Solicitation for social licking occurred not only from dominant animals of pairs but also from subordinates. Of the licking interactions, 31% occurred following solicitation, and these accounted for 39% of the total time spent licking. Following solicitation, 78% of social licking was oriented to the head and the neck regions that were inaccessible to self-licking animals. Unsolicited licking, however, was oriented not only to the head and the neck but also to the back and the rump regions, and these two latter regions were the major ones to receive licking. The effect of social relationships on social licking was investigated using least-squares analysis of variance. Social factors investigated were the difference of dominance values, the dominance-subordinance relationship, and kinship and familiarity; the sex of calves involved was also considered. Only familiarity had a significant effect on licking; exchanges of social licking increased with length of cohabitation. We suggest that social licking may have a cleaning effect, a tension-reducing effect and a bonding effect. | ||||
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| Publisher | Elsevier | Place of Publication | Editor | ||
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| ISSN | 0168-1591 | ISBN | Medium | ||
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| Notes | doi: 10.1016/S0168-1591(05)80158-3 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 6409 | ||
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| Author | Moeller, B.A.; McCall, C.A.; Silverman, S.J.; McElhenney, W.H. | ||||
| Title | Estimation of Saliva Production in Crib-Biting and Normal Horses | Type | Journal Article | ||
| Year | Publication | Journal of Equine Veterinary Science | Abbreviated Journal | Journal of Equine Veterinary Science | |
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28 | Issue | 2 | Pages | 85-90 |
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| Abstract | Increasing saliva flow to buffer the stomach has been hypothesized as a basis for crib-biting in horses. Saliva amounts in seven cribbing and seven noncribbing (control) horses were compared either pre- and post-cribbing or at pre- and post-5-minute intervals for controls. A pre-weighed cellulose sponge was used to collect saliva at the exit of the submandibular gland for 30 seconds, then reweighed. Data were analyzed as repeated measures. Mean saliva weight overall was similar between cribbing and control horses (1.2 and 1.5 g, respectively, SE = 0.2). However, mean saliva weight for pre- and post-samples (1.5 and 1.2 g, respectively, SE = 0.06) for all horses was significantly lower (P < .05) in the post-sample, indicating a drying effect of the sponge. Because of a strong tendency (P < .06) for a treatment-by-sampling time interaction, data were analyzed by sampling time and cribbing status. Mean saliva weights in the pre-sample were 0.43 g higher (P < .03) in control than cribbing horses. Control horses showed a 0.38 g decrease (P < .01) in saliva weight between pre- and post-samples, which was not evident in cribbing horses. To determine whether cribbing offset the saliva decrease seen in control horses, nine cribbing horses were sampled as before but prevented from cribbing between samples. A similar reduction (0.39 g, P < .01) in saliva weights between samples with cribbing allowed versus cribbing prevented was seen in these horses as was seen in control horses in the initial study. Because cribbing does produce saliva, gastrointestinal irritation could be a motivating cause for cribbing. | ||||
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| Publisher | Elsevier | Place of Publication | Editor | ||
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| Notes | doi: 10.1016/j.jevs.2008.01.006 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 5835 | ||
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| Author | Peham, C.; Licka, T.; Schobesberger, H.; Meschan, E. | ||||
| Title | Influence of the rider on the variability of the equine gait | Type | Journal Article | ||
| Year | 2004 | Publication | Human Movement Science | Abbreviated Journal | European Workshop on Movement Science |
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23 | Issue | 5 | Pages | 663-671 |
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| Abstract | The aim of this study was to show that the motion pattern of a well-ridden horse varies less than the motion pattern of an unridden horse. In order to do so, we recorded the motion of two markers, one attached to the dorsal spinous processus of lumbar vertebra L4, the other to the right fore hoof. In total, we measured 21 horses in trot, ridden and unridden, with a fitting and with a non-fitting saddle. After breaking down the entire time series of the three-dimensional motion of the markers into their respective motion cycles, we computed a measure of motion pattern variability for the motion as well as for the derivatives (velocity and acceleration) along each of the three principal dimensions. Two of six variables (velocity and acceleration in the forward direction) displayed a significant discrimination between the ridden and the unridden case, and demonstrated the beneficial effect of a rider on the horse's motion pattern variability. Saddle fit was shown to have also an influence on motion variability: variability of two variables (velocity and of acceleration in forward direction) was significantly lower with a fitting saddle compared to a non-fitting saddle, a third variable (acceleration in the transversal direction) showed a significant difference also. This new method offers an objective evaluation of saddle fit, and a sensitive assessment of the quality of the rider in the moving horse. | ||||
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| Notes | Approved | no | |||
| Call Number | Equine Behaviour @ team @ | Serial | 3670 | ||
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| Author | Steinhoff-Wagner, J. | ||||
| Title | Coat Clipping of Horses: A Survey | Type | Journal Article | ||
| Year | 2019 | Publication | Journal of Applied Animal Welfare Science | Abbreviated Journal | Journal of Applied Animal Welfare Science |
| Volume |
22 | Issue | 2 | Pages | 171-187 |
| Keywords | Equine, thermoregulation, shaving, winter pelage removal | ||||
| Abstract | Coat clipping is a common practice in sport horses; however, timing, purpose, technique, and clips vary widely, as do the management and feeding of a clipped horse. The aim of this study was to collect data regarding common clipping practices. A questionnaire was published online in Germany and contained 32 questions. Four hundred ninety-eight people answered at least one question, and 373 individuals (7% male, 93% female; ages 14–59 years) completed all the questions. Clipped horses were predominantly used as sport horses (68%), and they were either clipped immediately before or during the winter season (88%) or year-round (7%). The clipping date was scheduled according to hair length (52%), sweat amount (47%), and drying time (47%). Participants primarily used two clips: the hunter clip and the blanket clip, both without clipping the head (23% each). The majority of the clipped horses wore a blanket day and night (> 90%). Future studies with observations in the field are needed to support survey data in an effort to develop welfare recommendations for clipping practices utilized with horses. | ||||
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| Publisher | Routledge | Place of Publication | Editor | ||
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| ISSN | 1088-8705 | ISBN | Medium | ||
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| Notes | doi: 10.1080/10888705.2018.1454319 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 6613 | ||
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| Author | Rosati, A.G. | ||||
| Title | Foraging Cognition: Reviving the Ecological Intelligence Hypothesis | Type | Journal Article | ||
| Year | 2017 | Publication | Trends in Cognitive Sciences | Abbreviated Journal | Trends in Cognitive Sciences |
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21 | Issue | 9 | Pages | 691-702 |
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| Abstract | What are the origins of intelligent behavior? The demands associated with living in complex social groups have been the favored explanation for the evolution of primate cognition in general and human cognition in particular. However, recent comparative research indicates that ecological variation can also shape cognitive abilities. I synthesize the emerging evidence that ?foraging cognition? ? skills used to exploit food resources, including spatial memory, decision-making, and inhibitory control ? varies adaptively across primates. These findings provide a new framework for the evolution of human cognition, given our species? dependence on costly, high-value food resources. Understanding the origins of the human mind will require an integrative theory accounting for how humans are unique in both our sociality and our ecology. | ||||
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| Publisher | Elsevier | Place of Publication | Editor | ||
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| ISSN | 1364-6613 | ISBN | Medium | ||
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| Notes | doi: 10.1016/j.tics.2017.05.011 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 6586 | ||
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