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Author Miller, R.M.
Title How the dominance hierarchy is determined: The body language of the horse Type Journal Article
Year 1995 Publication Journal of Equine Veterinary Science Abbreviated Journal
Volume 15 Issue 12 Pages 514-515
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Call Number Equine Behaviour @ team @ Serial 4306
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Author Dey, S.
Title Trailer accidents Type Journal Article
Year 1995 Publication Journal of Equine Veterinary Science Abbreviated Journal
Volume 15 Issue 4 Pages 148-149
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Call Number Equine Behaviour @ team @ Serial 4662
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Author Clutton-Brock, T.H.; Parker, G.A.
Title Punishment in animal societies Type Journal Article
Year 1995 Publication Abbreviated Journal Nature
Volume 373 Issue 6511 Pages 209-216
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Abstract Although positive reciprocity (reciprocal altruism) has been a focus of interest in evolutionary biology, negative reciprocity (retaliatory infliction of fitness reduction) has been largely ignored. In social animals, retaliatory aggression is common, individuals often punish other group members that infringe their interests, and punishment can cause subordinates to desist from behaviour likely to reduce the fitness of dominant animals. Punishing strategies are used to establish and maintain dominance relationships, to discourage parasites and cheats, to discipline offspring or prospective sexual partners and to maintain cooperative behaviour.
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Notes 10.1038/373209a0 Approved no
Call Number Equine Behaviour @ team @ Serial 4838
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Author Noë, R.; Hammerstein, P.
Title Biological markets Type Journal Article
Year 1995 Publication Trends in Ecology & Evolution Abbreviated Journal Trends. Ecol. Evol
Volume 10 Issue 8 Pages 336-339
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Abstract In biological markets, two classes of traders exchange commodities to their mutual benefit. Characteristics of markets are: competition within trader classes by contest or outbidding; preference for partners offering the highest value; and conflicts over the exchange value of commodities. Biological markets are currently studied under at least three different headings: sexual selection, intraspecific cooperation and interspecific mutualism. The time is ripe for the development of game theoretic models that describe the common core of biological markets and integrate existing knowledge from the separate fields.
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ISSN 0169-5347 ISBN Medium
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Call Number Equine Behaviour @ team @ Serial 4993
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Author Ishida, N.; Oyunsuren, T.; Mashima, S.; Mukoyama, H.; Saitou, N.
Title Mitochondrial DNA sequences of various species of the genus Equus with special reference to the phylogenetic relationship between Przewalskii's wild horse and domestic horse Type Journal Article
Year 1995 Publication Journal of Molecular Evolution Abbreviated Journal J Mol Evol
Volume 41 Issue 2 Pages 180-188
Keywords Animals; Base Sequence; Chromosomes; Conserved Sequence/genetics; DNA, Mitochondrial/*genetics; Evolution; Genetic Variation/*genetics; Horses/*genetics; Molecular Sequence Data; *Phylogeny; RNA, Transfer, Pro/genetics; Sequence Alignment; Sequence Analysis, DNA
Abstract The noncoding region between tRNAPro and the large conserved sequence block is the most variable region in the mammalian mitochondrial DNA D-loop region. This variable region (ca. 270 bp) of four species of Equus, including Mongolian and Japanese native domestic horses as well as Przewalskii's (or Mongolian) wild horse, were sequenced. These data were compared with our recently published Thoroughbred horse mitochondrial DNA sequences. The evolutionary rate of this region among the four species of Equus was estimated to be 2-4 x 10(-8) per site per year. Phylogenetic trees of Equus species demonstrate that Przewalskii's wild horse is within the genetic variation among the domestic horse. This suggests that the chromosome number change (probably increase) of the Przewalskii's wild horse occurred rather recently.
Address Laboratory of Molecular and Cellular Biology, Japan Racing Association, Tokyo
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Language English Summary Language Original Title
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ISSN 0022-2844 ISBN Medium
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Notes PMID:7666447 Approved no
Call Number Equine Behaviour @ team @ Serial 5042
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Author Connor, R.C.
Title Altruism among non-relatives: alternatives to the 'Prisoner's Dilemma' Type Journal Article
Year 1995 Publication Trends in Ecology & Evolution Abbreviated Journal Trends Ecol Evol
Volume 10 Issue 2 Pages 84-86
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Abstract Triver's model of reciprocal altruism, and its descendants based on the Prisoner's Dilemma model, have dominated thinking about cooperation and altruism between non-relatives. However, there are three alternative models of altruism directed to non-relatives. These models, which are not based on the Prisoner's Dilemma, may explain a variety of phenomena, from allogrooming among impala to helping by non-relatives in cooperatively breeding birds and mammals.
Address Division of Biological Sciences and The Michigan Society of Fellows, Museum of Zoology, University of Michigan, Ann Arbor MI, 48109, USA
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ISSN 0169-5347 ISBN Medium
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Notes PMID:21236964 Approved no
Call Number Equine Behaviour @ team @ Serial 5407
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Author Skandakumar, S.; Stodulski, G.; Hau, J.
Title Salivary IgA: a Possible Stress Marker In Dogs Type Abstract
Year 1995 Publication Animal Welfare Abbreviated Journal
Volume 4 Issue 4 Pages 339-350
Keywords Animal Welfare; Behaviour; Cortisol; Dog; Salivary Iga (S-Iga); Stress; Well-Being
Abstract Stress in humans has been reported to be associated with a decrease in the salivary immunoglobulin A (s-IgA) levels enabling the possible use of s-IgA to assess stress. Prolonged stress, if reliably assessed in a non-invasive manner, may be used to assess animal welfare. This study analysed groups of dogs undergoing physical and temperamental training and s-IgA levels were measured by rocket immunoelectrophoresis in prospective samples. Behavioural assessment was carried out and cortisol levels in saliva were measured by ELISA. A significant negative correlation (P < 0.007) between the logarithmic cortisol concentrations and s-IgA levels in saliva was recorded. The behavioural assessment of the dogs agreed well with the biochemical markers. It is concluded that IgA levels in saliva may be a useful marker of dog well-being and that stress results in decreased s-IgA levels.
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Call Number Equine Behaviour @ team @ Serial 5964
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Author Griebenow, K.; Klibanov, A.M.
Title Lyophilization-induced reversible changes in the secondary structure of proteins Type Journal Article
Year 1995 Publication Proc Natl Acad Sci USA Abbreviated Journal
Volume 92 Issue 24 Pages 10969-10976
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Abstract Changes in the secondary structure of some dozen different proteins upon lyophilization of their aqueous solutions have been investigated by means of Fourier-transform infrared spectroscopy in the amide III band region. Dehydration markedly (but reversibly) alters the secondary structure of all the proteins studied, as revealed by both the quantitative analysis of the second derivative spectra and the Gaussian curve fitting of the original infrared spectra. Lyophilization substantially increases the beta-sheet content and lowers the alpha-helix content of all proteins. In all but one case, proteins become more ordered upon lyophilization.
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Call Number Equine Behaviour @ team @ Serial 6519
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Author Russon, A.E.; Galdikas, B.M.F.
Title Constraints on great apes' imitation: Model and action selectivity in rehabilitant orangutan (Pongo pygmaeus) imitation Type Journal Article
Year 1995 Publication Journal of Comparative Psychology Abbreviated Journal J. Comp. Psychol.
Volume 109 Issue 1 Pages 5-17
Keywords *Imitation (Learning); Primates (Nonhuman)
Abstract We discuss selectivity in great ape imitation, on the basis of an observational study of spontaneous imitation in free-ranging rehabilitant orangutans (Pongo pygmaeus). Research on great ape imitation has neglected selectivity, although comparative evidence suggests it may be important. We observed orangutans in central Indonesian Borneo and assessed patterns in the models and actions they spontaneously imitated. The patterns we found resembled those reported in humans. Orangutans preferred models with whom they had positive affective relationships (e.g., important caregiver or older sibling) and actions that reflected their current competence, were receptively familiar, and were relevant to tasks that faced them. Both developmental and individual variability were found. We discuss the probable functions of imitation for great apes and the role of selectivity in directing it. We also make suggestions for more effective elicitation of imitation. (PsycINFO Database Record (c) 2012 APA, all rights reserved)
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Publisher (up) American Psychological Association Place of Publication Us Editor
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ISSN 1939-2087(Electronic);0735-7036(Print) ISBN Medium
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Call Number Equine Behaviour @ team @ 1995-20268-001 Serial 5690
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Author Clutton-Brock, J.
Title Origins of the dog: domestication and early history Type Book Chapter
Year 1995 Publication The Domestic Dog: Its Evolution, Behaviour and Interactions with People Abbreviated Journal
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Publisher (up) Cambridge University Press Place of Publication Cambridge Editor Serpell, J.A.
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Call Number Equine Behaviour @ team @ Clutton-Brock1995 Serial 6247
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