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Fao, |
Title |
The Przewalski horse and restoration to its natural habitat in Mongolia. JO FAO Animal Production and Health Paper |
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Journal Article |
Year |
1986 |
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Abbreviated Journal |
Animal Production and Health Paper |
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61 |
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from Prof. Hans Klingels Equine Reference List |
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1078 |
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Author |
OTT EA et al, |
Title |
Acceptability of dried citrus pulp by horses |
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Journal Article |
Year |
1979 |
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Abbreviated Journal |
J Animal Sci |
Volume |
49 |
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983-987 |
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from Professor Hans Klingels Equine Reference List |
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1442 |
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Author |
Schwarzenberger, F.; Mostl, E.; Palme, R.; Bamberg, E. |
Title |
Faecal steroid analysis for non-invasive monitoring of reproductive status in farm, wild and zoo animals |
Type |
Journal Article |
Year |
1996 |
Publication |
Animal Reproduction Science |
Abbreviated Journal |
Animal Reproduction: Research and Practice |
Volume |
42 |
Issue |
1-4 |
Pages |
515-526 |
Keywords |
Faecal steroids; Non-invasive monitoring; Oestrogens; Progesterone metabolites; Reproductive hormones |
Abstract |
Non-invasive faecal oestrogen and progesterone metabolite evaluations are well established approaches for monitoring reproductive function in a variety of mammalian species. The route of excretion of steroid hormone metabolites varies considerably among species, and also between steroids within the same species. Steroid concentrations in faeces exhibit a similar pattern to those in plasma, but have a lag time, which depending upon the species, can be from 12 h to more than 2 days. Faecal steroid metabolites in mammals are mainly unconjugated compounds. Faecal oestrogens consist predominantly of oestrone and/or oestradiol-17α or -17β. Therefore, specific oestrogen antibodies or antibodies against total oestrogens can be used for their determination. Progesterone is metabolised to several 5α- or 5β-reduced pregnanediones and hydroxylated pregnanes prior to its faecal excretion. Therefore, relevant antibodies for their determination show considerable cross-reactivities with several pregnane metabolites, whereas specific progesterone antibodies are less suitable. Faecal oestrogen evaluations have been used as reliable indicators of pregnancy in several ungulate and some primate species. They have also been used to determine the preovulatory period in carnivores, corpus luteum activity in New World primates, and to diagnose cryptorchidism in horses. Faecal progesterone metabolite analysis has been successfully used for monitoring corpus luteum function and pregnancy, abortion, seasonality and treatment therapies in an ever expanding list of species. |
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refbase @ user @ |
Serial |
327 |
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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 |
Volume |
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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Elsevier |
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0168-1591 |
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doi: 10.1016/S0168-1591(05)80158-3 |
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Equine Behaviour @ team @ |
Serial |
6409 |
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Author |
Mostl, E.; Palme, R. |
Title |
Hormones as indicators of stress |
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Journal Article |
Year |
2002 |
Publication |
Domestic Animal Endocrinology |
Abbreviated Journal |
Fourth International Conference on Farm Animal Endocrinology |
Volume |
23 |
Issue |
1-2 |
Pages |
67-74 |
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Abstract |
Animal welfare is of increasing importance and absence of chronic stress is one of its prerequisites. During stress, various endocrine responses are involved to improve the fitness of the individual. The front-line hormones to overcome stressful situations are the glucocorticoids and catecholamines. These hormones are determined as a parameter of adrenal activity and thus of disturbance. The concentration of glucocorticoids (or their metabolites) can be measured in various body fluids or excreta. Above all, fecal samples offer the advantage that they can be easily collected and this procedure is feedback free. Recently, enzyme immunoassays (EIA) have been developed and successfully tested, to enable the measurement of groups of cortisol metabolites in animal feces. The determination of these metabolites in fecal samples is a practical method to monitor glucocorticoid production. |
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Equine Behaviour @ team @ |
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4067 |
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Author |
Steinhoff-Wagner, J. |
Title |
Coat Clipping of Horses: A Survey |
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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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Routledge |
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1088-8705 |
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doi: 10.1080/10888705.2018.1454319 |
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Equine Behaviour @ team @ |
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6613 |
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Author |
Komárková, M.; Bartošová, J. |
Title |
Lateralized suckling in domestic horses (Equus caballus) |
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Journal Article |
Year |
2013 |
Publication |
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Abbreviated Journal |
Animal Cognition |
Volume |
16 |
Issue |
3 |
Pages |
343-349 |
Keywords |
Domestic horse; Foal; Suckling; Lateralization |
Abstract |
Brain lateralization enables preferential processing of certain stimuli and more effective utilization of these stimuli in either the left or the right cerebral hemisphere. Horses show both motor and sensory lateralization patterns. Our aim was to determine whether a lateralized response could be detected in foals during the naturally side-biased behaviour, suckling. The foals’ preferred suckling side could be the effect of either visual or motor lateralization. In the case of a visual lateralized response, foals are expected to suck more often from the mother’s right side, so potential danger can be detected by the better adapted right hemisphere (i.e. left eye). Motor lateralization can be identified when a foal will suck predominantly from one side, either left or right. We found no population trend in the preferred suckling side, but we detected significant differences amongst individual foals. One-third (35.4 %) of 79 foals showed a strong, either right or left side preference which increased with age. The mothers did not influence the foals’ suckling side preferences either by side-biased rejection or termination of suckling. According to our findings, a general pattern of sucking with the left eye open for better danger detection and recognition is unlikely in foals up to 7 months old. Foals of this age are probably young or fully focused on suckling and rely on their mothers’ vigilance. Individual side preferences amongst foals are suggested to be based on motor lateralization. |
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Springer-Verlag |
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1435-9448 |
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Equine Behaviour @ team @ |
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5664 |
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Author |
Scheider, L.; Kaminski, J.; Call, J.; Tomasello, M. |
Title |
Do domestic dogs interpret pointing as a command? |
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Journal Article |
Year |
2013 |
Publication |
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Abbreviated Journal |
Animal Cognition |
Volume |
16 |
Issue |
3 |
Pages |
361-372 |
Keywords |
Communication; Domestic dog; Pointing; Comprehension; Imperative |
Abstract |
Domestic dogs comprehend human gestural communication flexibly, particularly the pointing gesture. Here, we examine whether dogs interpret pointing informatively, that is, as simply providing information, or rather as a command, for example, ordering them to move to a particular location. In the first study a human pointed toward an empty cup. In one manipulation, the dog either knew or did not know that the designated cup was empty (and that the other cup actually contained the food). In another manipulation, the human (as authority) either did or did not remain in the room after pointing. Dogs ignored the human’s gesture if they had better information, irrespective of the authority’s presence. In the second study, we varied the level of authority of the person pointing. Sometimes this person was an adult, and sometimes a young child. Dogs followed children’s pointing just as frequently as they followed adults’ pointing (and ignored the dishonest pointing of both), suggesting that the level of authority did not affect their behavior. Taken together these studies suggest that dogs do not see pointing as an imperative command ordering them to a particular location. It is still not totally clear, however, if they interpret it as informative or in some other way. |
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Springer-Verlag |
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1435-9448 |
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Equine Behaviour @ team @ |
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5666 |
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Author |
Horn, L.; Range, F.; Huber, L. |
Title |
Dogs’ attention towards humans depends on their relationship, not only on social familiarity |
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Journal Article |
Year |
2013 |
Publication |
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Abbreviated Journal |
Animal Cognition |
Volume |
16 |
Issue |
3 |
Pages |
435-443 |
Keywords |
Domestic dogs; Social attention; Social familiarity; Dog–human relationship |
Abstract |
Both in humans and non-human animals, it has been shown that individuals attend more to those they have previously interacted with and/or they are more closely associated with than to unfamiliar individuals. Whether this preference is mediated by mere social familiarity based on exposure or by the specific relationship between the two individuals, however, remains unclear. The domestic dog is an interesting subject in this line of research as it lives in the human environment and regularly interacts with numerous humans, yet it often has a particularly close relationship with its owner. Therefore, we investigated how long dogs (Canis familiaris) would attend to the actions of two familiar humans and one unfamiliar experimenter, while varying whether dogs had a close relationship with only one or both familiar humans. Our data provide evidence that social familiarity by itself cannot account for dogs’ increased attention towards their owners since they only attended more to those familiar humans with whom they also had a close relationship. |
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Springer-Verlag |
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1435-9448 |
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Equine Behaviour @ team @ |
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5667 |
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Author |
Greco, B.J.; Brown, T.K.; Andrews, J.R.M.; Swaisgood, R.R.; Caine, N.G. |
Title |
Social learning in captive African elephants (Loxodonta africana africana) |
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Journal Article |
Year |
2013 |
Publication |
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Abbreviated Journal |
Animal Cognition |
Volume |
16 |
Issue |
3 |
Pages |
459-469 |
Keywords |
Elephants; Loxodonta; Social learning; Imitation; Animal cognition |
Abstract |
Social learning is a more efficient method of information acquisition and application than trial and error learning and is prevalent across a variety of animal taxa. Social learning is assumed to be important for elephants, but evidence in support of that claim is mostly anecdotal. Using a herd of six adult female African bush elephants (Loxodonta africana africana) at the San Diego Zoo’s Safari Park, we evaluated whether viewing a conspecific’s interactions facilitated learning of a novel task. The tasks used feeding apparatus that could be solved in one of two distinct ways. Contrary to our hypothesis, the method the demonstrating animal used did not predict the method used by the observer. However, we did find evidence of social learning: After watching the model, subjects spent a greater percentage of their time interacting with the apparatus than they did in unmodeled trials. These results suggest that the demonstrations of a model may increase the motivation of elephants to explore novel foraging tasks. |
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Springer-Verlag |
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1435-9448 |
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Equine Behaviour @ team @ |
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5668 |
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