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Author |
van Heel, M.C.V.; Kroekenstoel, A.M.; van Dierendonck, M.C.; van Weeren, P.R.; Back, W. |
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Title |
Uneven feet in a foal may develop as a consequence of lateral grazing behaviour induced by conformational traits |
Type |
Journal Article |
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Year |
2006 |
Publication |
Equine veterinary journal |
Abbreviated Journal |
Equine. Vet. J. |
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Volume |
38 |
Issue |
7 |
Pages |
646-651 |
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Keywords |
Aging/*physiology; Animals; Animals, Newborn/anatomy & histology/growth & development/physiology; Feeding Behavior/*physiology; Female; Forelimb/*anatomy & histology/*physiology; *Horses/anatomy & histology/growth & development/physiology; Male |
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Abstract |
REASONS FOR PERFORMING STUDY: Conformational traits are important in breeding, since they may be indicative for performance ability and susceptibility to injuries. OBJECTIVES: To study whether certain desired conformational traits of foals are related to lateralised behaviour while foraging and to the development of uneven feet. METHODS: Twenty-four Warmblood foals, born and raised at the same location, were studied for a year. Foraging behaviour was observed by means of weekly 10 min scan-sampling for 8 h. A preference test (PT) was developed to serve as a standardised tool to determine laterality. The foals were evaluated at age 3, 15, 27 and 55 weeks. The PT and distal limb conformation were used to study the relation between overall body conformation, laterality and the development of uneven feet. Pressure measurements were used to determine the loading patterns under the feet. RESULTS: About 50% of the foals developed a significant preference to protract the same limb systematically while grazing, which resulted in uneven feet and subsequently uneven loading patterns. Foals with relatively long limbs and small heads were predisposed to develop laterality and, consequently unevenness. CONCLUSIONS: Conformational traits may stimulate the development of laterality and therefore indirectly cause uneven feet. |
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Derona Equine Performance Laboratory, Department of Equine Sciences, Faculty of Veterinary Medicine, Utrecht University, Yalelaan 12, NL-3584 CM Utrecht, The Netherlands |
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0425-1644 |
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PMID:17228580 |
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1774 |
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Author |
Burden, F.; Trawford, A. |
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Title |
Equine interspecies aggression Comment on |
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Year |
2006 |
Publication |
The Veterinary record |
Abbreviated Journal |
Vet. Rec. |
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Volume |
159 |
Issue |
25 |
Pages |
859-860 |
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Keywords |
*Aggression; Animals; *Behavior, Animal; Cats; Dogs; Equidae |
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0042-4900 |
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PMID:17172484 |
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1777 |
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Author |
Carroll, C.L.; Huntington, P.J. |
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Title |
Body condition scoring and weight estimation of horses |
Type |
Journal Article |
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Year |
1988 |
Publication |
Equine veterinary journal |
Abbreviated Journal |
Equine Vet J |
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Volume |
20 |
Issue |
1 |
Pages |
41-45 |
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Keywords |
Animals; Biometry; *Body Weight; Female; Horses/*anatomy & histology; Male; Physical Examination/*veterinary |
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Abstract |
Three hundred and seventy two horses of varying breeds, height and fatness were weighed and measured for height at the withers. They were assessed for condition score by adaptation of a previously published method. The heart girth and length of 281 of the horses were also measured. Weight of horses was highly correlated (P less than 0.001) with height (r2 = 0.62), condition score (r2 = 0.22) and girth2 x length (r2 = 0.90). Nomograms were constructed to predict weight from height and condition score, and girth and length measurements. Weight can also be accurately estimated from the formula: (formula, see text) The average value of 'Y' in this experiment was 11900 and this estimated weight with more accuracy than some previously published values of 'Y'. Racing Thoroughbred horses were found to be significantly lighter than non-racing Thoroughbreds of the same height and condition score. The method of assessment of condition score was shown to be repeatable between different operators with varying degrees of experience. |
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Department of Agriculture and Rural Affairs, Attwood Veterinary Research Laboratory, Westmeadows, Victoria, Australia |
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0425-1644 |
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Notes |
PMID:3366105 |
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Serial |
1808 |
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Author |
Goodwin, D. |
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Title |
The importance of ethology in understanding the behaviour of the horse |
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Journal Article |
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Year |
1999 |
Publication |
Equine Veterinary Journal. Supplement |
Abbreviated Journal |
Equine Vet J Suppl |
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Volume |
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Issue |
28 |
Pages |
15-19 |
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Keywords |
*Animal Husbandry; Animals; *Behavior, Animal; Bonding, Human-Pet; Evolution; *Horses; Social Behavior |
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Abstract |
Domestication has provided the horse with food, shelter, veterinary care and protection, allowing individuals an increased chance of survival. However, the restriction of movement, limited breeding opportunities and a requirement to expend energy, for the benefit of another species, conflict with the evolutionary processes which shaped the behaviour of its predecessors. The behaviour of the horse is defined by its niche as a social prey species but many of the traits which ensured the survival of its ancestors are difficult to accommodate in the domestic environment. There has been a long association between horses and man and many features of equine behaviour suggest a predisposition to interspecific cooperation. However, the importance of dominance in human understanding of social systems has tended to overemphasize its importance in the human-horse relationship. The evolving horse-human relationship from predation to companionship, has resulted in serial conflicts of interest for equine and human participants. Only by understanding the nature and origin of these conflicts can ethologists encourage equine management practices which minimise deleterious effects on the behaviour of the horse. |
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Anthrozoology Institute, University of Southampton, Bassett Crescent East, Southampton S016 7PX, UK |
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Notes |
PMID:11314229 |
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Call Number |
refbase @ user @ |
Serial |
1920 |
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Author |
Mitman, G. |
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Title |
Dominance, leadership, and aggression: animal behavior studies during the Second World War |
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Journal Article |
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Year |
1990 |
Publication |
Journal of the History of the Behavioral Sciences |
Abbreviated Journal |
J Hist Behav Sci |
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Volume |
26 |
Issue |
1 |
Pages |
3-16 |
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Keywords |
*Aggression; Animals; Behavior, Animal; *Dominance-Subordination; History, 20th Century; *Leadership; Political Systems; *Social Dominance; United States |
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Abstract |
During the decade surrounding the Second World War, an extensive literature on the biological and psychological basis of aggression surfaced in America, a literature that in general emphasized the significance of learning and environment in the origins of aggressive behavior. Focusing on the animal behavior research of Warder Clyde Allee and John Paul Scott, this paper examines the complex interplay among conceptual, institutional, and societal forces that created and shaped a discourse on the subjects of aggression, dominance, and leadership within the context of World War II. The distinctions made between sexual and social dominance during this period, distinctions accentuated by the threat of totalitarianism abroad, and the varying ways that interpretations of behavior could be negotiated attests to the multiplicity of interactions that influence the development of scientific research. |
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Address |
University of Wisconsin |
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ISSN |
0022-5061 |
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Notes |
PMID:2405050 |
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Serial |
2044 |
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Author |
Levin, L.E.; Grillet, M.E. |
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Title |
[Diversified leadership: a social solution of problems in schools of fish] |
Type |
Journal Article |
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Year |
1988 |
Publication |
Acta Cientifica Venezolana |
Abbreviated Journal |
Acta Cient Venez |
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Volume |
39 |
Issue |
2 |
Pages |
175-180 |
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Keywords |
Animals; Fishes; *Leadership; Reversal Learning/*physiology; *Social Behavior |
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Spanish |
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Original Title |
Liderazgo diversificado: una solucion social de problemas en el cardumen |
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0001-5504 |
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PMID:3251383 |
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2045 |
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Author |
Mori, U. |
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Title |
Ecological and sociological studies of gelada baboons. Individual relationships within a unit |
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Journal Article |
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Year |
1979 |
Publication |
Contributions to Primatology |
Abbreviated Journal |
Contrib Primatol |
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Volume |
16 |
Issue |
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Pages |
93-124 |
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Keywords |
Animals; Female; Grooming; *Haplorhini; *Leadership; Male; Paternal Behavior; *Social Behavior; *Theropithecus |
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0301-4231 |
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Notes |
PMID:101345 |
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Serial |
2046 |
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Author |
Wagner, G. |
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Title |
[Flight leadership in flocks of homing pigeons] |
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Journal Article |
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Year |
1975 |
Publication |
Zeitschrift für Tierpsychologie |
Abbreviated Journal |
Z. Tierpsychol. |
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Volume |
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Issue |
39 |
Pages |
61-74 |
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Keywords |
Animals; *Columbidae; *Flight, Animal; *Orientation |
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Abstract |
Groups of 3-5 homing pigeons individually recognizable by different colours of their plumage were followed by helicopter on their way home. In most cases the animals flew together as a group with frequently changing leadership. Flight formations in terms of leadership were noted every minute. It was examined statistically whether the flight order varies at random or whether there are leading and led birds. In 6 out of 7 experiments with groups of 4-5 pigeons flight order was far from random, one or two pigeons proving to be leaders. In only one experiment leadership did not differ from a random distribution. No correlation could be found between the tendency to lead within a group and homing performance of the single pigeon when released individually. |
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German |
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Original Title |
Zur Frage des Flugfuhrens in heimkehrenden Brieftaubengruppen |
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0044-3573 |
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Notes |
PMID:1231423 |
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Serial |
2050 |
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Author |
Hrdy, S.B. |
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Title |
Male-male competition and infanticide among the langurs (Presbytis entellus) of Abu, Rajasthan |
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Journal Article |
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Year |
1974 |
Publication |
Folia Primatologica; International Journal of Primatology |
Abbreviated Journal |
Folia Primatol (Basel) |
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Volume |
22 |
Issue |
1 |
Pages |
19-58 |
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Keywords |
Aggression; Animals; Animals, Newborn; Coitus; *Competitive Behavior; Estrus; Feeding Behavior; Female; *Haplorhini; Homing Behavior; Humans; India; Infanticide; Leadership; Male; Maternal Behavior; Population Density; Pregnancy; Rain; Seasons; Sex Factors; Sexual Behavior, Animal; Social Behavior; Temperature; Vocalization, Animal |
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ISSN |
0015-5713 |
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Notes |
PMID:4215710 |
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Serial |
2051 |
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Author |
Meese, G.B.; Ewbank, R. |
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Title |
Exploratory behaviour and leadership in the domesticated pig |
Type |
Journal Article |
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Year |
1973 |
Publication |
The British Veterinary Journal |
Abbreviated Journal |
Br. Vet. J. |
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Volume |
129 |
Issue |
3 |
Pages |
251-259 |
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Keywords |
Animals; Animals, Domestic; Behavior, Animal; Castration; *Exploratory Behavior; Female; *Leadership; Male; Sex Factors; Social Behavior; *Swine |
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English |
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ISSN |
0007-1935 |
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Notes |
PMID:4728194 |
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2052 |
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