| Records |
| Author |
Atock, M.A.; Williams, R.B. |
| Title |
Welfare of competition horses |
Type |
Journal Article |
| Year |
1994 |
Publication |
Revue Scientifique et Technique (International Office of Epizootics) |
Abbreviated Journal |
Rev Sci Tech |
| Volume |
13 |
Issue |
1 |
Pages |
217-232 |
| Keywords |
*Animal Welfare; Animals; Doping in Sports; Ethics; Heat; Horses/*physiology; Housing, Animal/standards; Humidity; International Cooperation; Sports/*standards; Transportation/standards; Veterinary Medicine |
Abstract  |
In the large majority of cases and circumstances, horses benefit from their association with man. However, abuse of horses can occur, due to neglect or through the pressures of competition. The welfare of all animals, including competition horses, has become increasingly topical over the past ten years. Equestrian sport is coming under closer public scrutiny due to reports of apparent abuse. The bodies responsible for regulating these sports strenuously endeavour to protect the welfare of horses which compete under their rules and regulations. The Federation Equestre Internationale (FEI: International Equestrian Federation) is the sole authority for all international events in dressage, show-jumping, three-day event, driving, endurance riding and vaulting. The FEI rules illustrate the ways in which the welfare of competing horses is safeguarded. |
| Address |
Federation Equestre Internationale, Lausanne, Switzerland |
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Place of Publication |
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| Language |
English |
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Edition |
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| ISSN |
0253-1933 |
ISBN |
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Medium |
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| Notes |
PMID:8173097 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
3747 |
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| Author |
Wolff, A.; Hausberger, M. |
| Title |
Behaviour of foals before weaning may have some genetic basis |
Type |
Journal Article |
| Year |
1994 |
Publication |
Ethology |
Abbreviated Journal |
Ethology |
| Volume |
96 |
Issue |
1 |
Pages |
1-10 |
| Keywords |
Locomotion; Suckling; Social behavior; Foraging behavior; Exploratory behavior; Interindividual comparison; Young animal; Genetic inheritance; Captivity; Social interaction; Feeding behavior; Perissodactyla; Ungulata; Mammalia; Vertebrata |
| Abstract |
In this preliminary study on foal behaviour, 13 French saddlebred foals (2-3 mo old) and their dams were observed on pasture. The most important findings are the interindividual quantitative differences in foal behaviour patterns as well as in the amount of mainly foal-initiated time spent at given distances from their mares. Interindividual differences seem in part due to a sire effect |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
5022 |
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| Author |
Judge, P.G.; de Waal, F.B. |
| Title |
Intergroup grooming relations between alpha females in a population of free-ranging rhesus macaques |
Type |
Journal Article |
| Year |
1994 |
Publication |
Folia primatologica; international journal of primatology |
Abbreviated Journal |
Folia Primatol (Basel) |
| Volume |
63 |
Issue |
2 |
Pages |
63-70 |
| Keywords |
Animals; Animals, Wild; Female; *Grooming; Macaca mulatta/*psychology; Male; Population Density; *Social Behavior |
| Abstract |
Intergroup affiliation among female rhesus macaques, Macaca mulatta, was examined in the captive free-ranging colony of Morgan Island, S.C., USA. The provisioned colony has many social groups (35) and is maintained at a relatively high population density (21 animals/ha) with a relatively low adult male to female ratio (1:8.8). Focal and ad libitum samples were collected on 32 adults (3 males and 29 females) from two groups. Although infrequent, grooming was observed between adult females from different groups, and alpha females were the main participants in these interactions. Colony records indicated that none of the intergroup grooms was between females formerly from a common group. Relations between familiar neighboring groups may be maintained by a combination of both affiliative and aggressive behavior. |
| Address |
Yerkes Regional Primate Research Center, Lawrenceville, Ga 30243 |
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English |
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| ISSN |
0015-5713 |
ISBN |
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| Notes |
PMID:7813977 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
208 |
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| Author |
McLaren, B.E.; Peterson, R.O. |
| Title |
Wolves, Moose, and Tree Rings on Isle Royale |
Type |
Journal Article |
| Year |
1994 |
Publication |
Science |
Abbreviated Journal |
Science |
| Volume |
266 |
Issue |
5190 |
Pages |
1555-1558 |
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| Abstract |
Investigation of tree growth in Isle Royale National Park in Michigan revealed the influence of herbivores and carnivores on plants in an intimately linked food chain. Plant growth rates were regulated by cycles in animal density and responded to annual changes in primary productivity only when released from herbivory by wolf predation. Isle Royale's dendrochronology complements a rich literature on food chain control in aquatic systems, which often supports a trophic cascade model. This study provides evidence of top-down control in a forested ecosystem. |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4995 |
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| Author |
Witter, M.S.; Swaddle, J.P. |
| Title |
Fluctuating Asymmetries, Competition and Dominance |
Type |
Journal Article |
| Year |
1994 |
Publication |
Proceedings of the Royal Society B: Biological Sciences |
Abbreviated Journal |
Proc. Roy. Soc. Lond. B Biol. Sci. |
| Volume |
256 |
Issue |
1347 |
Pages |
299-303 |
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| Abstract |
Levels of fluctuating asymmetry (FA) in the primary feathers of European starlings, Sturnus vulgaris, have been shown to be sensitive to nutritional and energetic stress. Furthermore, between-individual variation in plumage FA has been found to be related to social dominance, even without social interactions during feather growth, with dominant birds exhibiting the highest levels of FA. Here we examine whether the relation between dominance and FA differs when birds are housed in social groups, under different degrees of competition for food, during moult. We reason that dominants should derive a greater benefit from their social status as competition for food increases. Our results support this proposition. The relation between dominance and FA differed significantly according to the degree of competition for food. However, in no cases did the dominants exhibit lower levels of FA than subdominants. When competition for food was low, dominants had higher levels of FA than subdominants. When competition for food was high, there was no systematic relation between dominance and FA. These results suggest that dominants may only derive a net benefit from their social status, under the circumstances of our experiment, during severe conditions of competition. |
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Approved |
no |
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Equine Behaviour @ team @ |
Serial |
2203 |
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| Author |
Walter, G.; Reisner, A. |
| Title |
Student opinion formation on animal agriculture issues |
Type |
Journal Article |
| Year |
1994 |
Publication |
Journal of Animal Science |
Abbreviated Journal |
J. Anim Sci. |
| Volume |
72 |
Issue |
6 |
Pages |
1654-1658 |
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| Abstract |
N1 - |
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Approved |
no |
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Equine Behaviour @ team @ |
Serial |
2935 |
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| Author |
Breen, M.; Downs, P.; Irvin, Z.; Bell, K. |
| Title |
Intrageneric amplification of horse microsatellite markers with emphasis on the Przewalski's horse (E. przewalskii) |
Type |
Journal Article |
| Year |
1994 |
Publication |
Animal Genetics |
Abbreviated Journal |
Anim Genet |
| Volume |
25 |
Issue |
6 |
Pages |
401-405 |
| Keywords |
Animals; DNA, Satellite/*genetics; *Gene Amplification; Gene Frequency; *Genetic Markers; Heterozygote; Horses/*genetics; Species Specificity |
| Abstract |
Primer sequences flanking 13 microsatellite loci isolated from the domestic horse (E. caballus) were successfully used to amplify homologous loci in the Przewalski's horse (E. przewalskii). The results demonstrate that the level of polymorphism at all 13 loci in the Przewalski's horse was comparable to that in the domestic horse and the overall exclusion probability in the Przewalski's horse was calculated to be 0.9994. The results suggest that it should be possible to use E. caballus-derived microsatellite markers to provide parentage verification and additional valuable information to the captive management of E. przewalskii. The ability to amplify corresponding loci in the remaining five species of the genus was also confirmed, illustrating the general application of markers isolated from the domestic horse to the evaluation of polymorphism in the other six species of the genus. |
| Address |
Australian Equine Blood Typing Research Laboratory, University of Queensland, St Lucia |
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English |
Summary Language |
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Edition |
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| ISSN |
0268-9146 |
ISBN |
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Conference |
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| Notes |
PMID:7695120 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2246 |
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| Author |
Vallortigara, G.; Andrew, R.J. |
| Title |
Differential involvement of right and left hemisphere in individual recognition in the domestic chick |
Type |
Journal Article |
| Year |
1994 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
33 |
Issue |
1-2 |
Pages |
41-57 |
| Keywords |
Right hemisphere; Left hemisphere; Domestic fowl; Lateralization; Chick |
| Abstract |
Right hemisphere advantage in individual recognition (as shown by differences between response to strangers and companions) is clear in the domestic chick. Chicks using the left eye (and so, thanks to the complete optic decussation, predominantly the right hemisphere) discriminate between stranger and companion. Chicks using the right eye discriminate less clearly or not at all. The ability of left eyed chicks to respond to differences between strangers and companions stimuli is associated with a more general ability to detect and respond to novelty: this difference between left and right eyed chicks also holds for stimuli which are not social partners. The right hemisphere also shows advantage in tasks with a spatial component (topographical learning; response to change in the spatial context of a stimulus) in the chick, as in humans. Similar specialisations of the two hemispheres are also revealed in tests which involve olfactory cues presented by social partners. The special properties of the left hemisphere are less well established in the chick. Evidence reviewed here suggests that it tends to respond to selected properties of a stimulus and to use them to assign it to a category; such assignment then allows an appropriate response. When exposed to an imprinting stimulus (visual or auditory) a chick begins by using right eye or ear (suggesting left hemisphere control), and then shifts to the left eye or ear (suggesting right hemisphere control), as exposure continues. The left hemisphere here is thus involved whilst behaviour is dominated by vigorous response to releasing stimuli presented by an object. Subsequent learning about the full detailed properties of the stimulus, which is crucial for individual recognition, may explain the shift to right hemisphere control after prolonged exposure to the social stimulus. There is a marked sex difference in choice tests: females tend to choose companions in tests where males choose strangers. It is possible that this difference is specifically caused by stronger motivation to sustain social contact in female chicks, for which there is extensive evidence. However, sex differences in response to change in familiar stimuli are also marked in tests which do not involve social partners. Finally, in both sexes there are two periods during development in which there age-dependent shifts in bias to use one or other hemisphere. These periods (days 3-5 and 8-11) coincide with two major changes in the social behaviour of chicks reared by a hen in a normal brood. It is argued that one function of these periods is to bring fully into play the hemisphere most appropriate to the type of response to, and learning about, social partners which is needed at particular points in development. Parallels are discussed between the involvement of lateralised processes in the recognition of social partners in chicks and humans. |
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0376-6357 |
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Approved |
no |
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Equine Behaviour @ team @ |
Serial |
5341 |
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| Author |
Araba, B.D.; Crowell-Davis, S.L. |
| Title |
Dominance relationships and aggression of foals (Equus caballus) |
Type |
Journal Article |
| Year |
1994 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
| Volume |
41 |
Issue |
1-2 |
Pages |
1-25 |
| Keywords |
aggression; dominance; horse; Equus caballus |
| Abstract |
Studied a herd of 15 Belgian brood-mares and 10 foals. Specific aspects of social structure studied were dominance-subordinance relationships, preferred associates, social spacing, aggression rates, the frequency of aggressions administered down the dominance hierarchy, and interactive play bouts. The rank order of the foals, both before and after weaning, was positively correlated with the rank order of their dams. There was also a significant relationship between a foal's rank and its total aggression or aggression rate per subordinate post-weaning. Higher ranking foals had higher rates of aggression. Over 80% of threats were directed down the dominance hierachy. The play-rank order of the foals, scored by the number of times foal left a play bout, was not significantly correlated with the rank order as scored by agonistic interactions. -from Authors |
| Address |
Dept Anatomy and Radiology, Univ of Georgia, Athens, GA, USA |
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01681591 (Issn) |
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no |
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refbase @ user @ |
Serial |
790 |
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| Author |
Macfadden, B.J. |
| Title |
Fossil horses Cambridge Univ Press |
Type |
Book Whole |
| Year |
1994 |
Publication |
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Issue |
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Synopsis
The family Equidae have an extensive fossil record spanning the last 58 million years, and the evolution of the horse has frequently been used as a classic example of long-term evolution. In recent years, however, there have been many important discoveries of fossil horses, and these, in conjunction with such new methods as cladistics, and techniques like precise geochronology, have allowed us to achieve a much greater understanding of the evolution and biology of this important group. This book synthesizes the large body of data and research relevant to an understanding of fossil horses from several disciplines including biology, geology and palaeontology. Using horses as the central theme, the author weaves together in the text such topics as modern geochronology, palaeobiogeography, climate change, evolution and extinction, functional morphology, and population biology during the Cenozoic period. |
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Cambridge University Press |
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Cambridge |
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978-0521477086 |
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no |
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1360 |
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