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Author Barnes, H.G.; Tucker, R.L.; Grant, B.D.; Roberts, G.D.; Prades, M. openurl 
  Title Lag screw stabilization of a cervical vertebral fracture by use of computed tomography in a horse Type Journal Article
  Year 1995 Publication Journal of the American Veterinary Medical Association Abbreviated Journal J Am Vet Med Assoc  
  Volume 206 Issue 2 Pages 221-223  
  Keywords Animals; Bone Screws/*veterinary; Cervical Vertebrae/*injuries/surgery; Fracture Fixation, Internal/methods/*veterinary; Horses/*injuries/surgery; Male; Spinal Fractures/surgery/*veterinary; Tomography, X-Ray Computed/veterinary  
  Abstract A traumatic fracture of C2 was diagnosed radiographically in a 1-year-old German Warm-blood stallion. Fracture configuration was difficult to see on survey radiographs. Computed tomography yielded a more accurate assessment of the fracture and facilitated fracture repair with cortical lag screws. Precise screw placement, to avoid spinal cord damage, was obtained by use of computed tomography. Follow-up radiography revealed normal bone healing, and the horse was in dressage schooling 24 months after surgery.  
  Address Department of Clinical Sciences, College of Veterinary Medicine, Washington State University, Pullman 99164-6610  
  Corporate Author Thesis  
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  Language (down) English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0003-1488 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:7751226 Approved no  
  Call Number Equine Behaviour @ team @ Serial 3744  
Permanent link to this record
 

 
Author Loveland, K.A. doi  openurl
  Title Self-recognition in the bottlenose dolphin: ecological considerations Type Journal Article
  Year 1995 Publication Consciousness and Cognition Abbreviated Journal Conscious Cogn  
  Volume 4 Issue 2 Pages 254-257  
  Keywords Animals; Attention; *Awareness; Body Image; Dolphins/*psychology; Exploratory Behavior; Female; Male; *Self Concept; *Social Environment; Species Specificity; Television; *Visual Perception  
  Abstract  
  Address Department of Psychiatry and Behavioral Sciences, University of Texas Medical School, Houston 77025, USA  
  Corporate Author Thesis  
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  Language (down) English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1053-8100 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:8521267 Approved no  
  Call Number Equine Behaviour @ team @ Serial 4161  
Permanent link to this record
 

 
Author Hart, D.; Whitlow, J.W.J. openurl 
  Title The experience of self in the bottlenose dolphin Type Journal Article
  Year 1995 Publication Consciousness and Cognition Abbreviated Journal Conscious Cogn  
  Volume 4 Issue 2 Pages 244-247  
  Keywords Animal Communication; Animals; *Awareness; Body Image; Dolphins/*psychology; Female; Humans; Male; *Self Concept; Social Behavior; Species Specificity; *Television; *Visual Perception  
  Abstract Marten and Psarakos have presented some evidence which suggests that objective self-awareness and possibly representations of self may characterize the dolphins' experience of self. Their research demonstrates the possibility of similarities in the sense of self between primate species and dolphins, although whether dolphins have subjective self-awareness, personal memories, and theories of self--all important facets of the sense of self in humans--was not examined. Clearly, even this limited evidence was difficult to achieve; the difficulties in adapting methods and coding behavior are quite apparent in their report. Future progress, however, may depend upon clarification of what are the necessary components for a sense of self and an explication of how these might be reflected in dolphin behavior. We are mindful of the authors' point (pp. 219 and 220) that the dolphin lives more in an acoustic than a visual environment. Thus, while tasks relying upon vision may reveal the presence or absence of the sense of self in primates, it might well be the case that in dolphins self-related experiences might be better revealed in auditory tasks. But then, what is the nature of human self-awareness in terms of audition? While both conceptual and methodological hurdles remain, Marten and Psarakos have demonstrated that important questions can be asked about the minds and phenomenal worlds of nonanthropoid species.  
  Address Department of Psychology, Rutgers University, Camden, New Jersey 08102, USA  
  Corporate Author Thesis  
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  Series Volume Series Issue Edition  
  ISSN 1053-8100 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:8521264 Approved no  
  Call Number Equine Behaviour @ team @ Serial 4162  
Permanent link to this record
 

 
Author Anderson, J.R. doi  openurl
  Title Self-recognition in dolphins: credible cetaceans; compromised criteria, controls, and conclusions Type Journal Article
  Year 1995 Publication Consciousness and Cognition Abbreviated Journal Conscious Cogn  
  Volume 4 Issue 2 Pages 239-243  
  Keywords Animal Communication; Animals; *Awareness; Discrimination Learning; Dolphins/*psychology; Female; Male; Orientation; *Self Concept; Social Behavior; *Television; *Visual Perception  
  Abstract  
  Address Laboratoire de Psychophysiologie, CNRS URA 1295, Universite Louis Pasteur, Strasbourg, France  
  Corporate Author Thesis  
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  Language (down) English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1053-8100 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:8521263 Approved no  
  Call Number Equine Behaviour @ team @ Serial 4163  
Permanent link to this record
 

 
Author Marten, K.; Psarakos, S. doi  openurl
  Title Using self-view television to distinguish between self-examination and social behavior in the bottlenose dolphin (Tursiops truncatus) Type Journal Article
  Year 1995 Publication Consciousness and Cognition Abbreviated Journal Conscious Cogn  
  Volume 4 Issue 2 Pages 205-224  
  Keywords Animal Communication; Animals; *Attention; Discrimination Learning; Dolphins/*psychology; Female; Male; *Self Concept; *Social Behavior; *Television; *Visual Perception  
  Abstract In mirror mark tests dolphins twist, posture, and engage in open-mouth and head movements, often repetitive. Because postures and an open mouth are also dolphin social behaviors, we used self-view television as a manipulatable mirror to distinguish between self-examination and social behavior. Two dolphins were exposed to alternating real-time self-view (“mirror mode”) and playback of the same to determine if they distinguished between them. The adult male engaged in elaborate open-mouth behaviors in mirror mode, but usually just watched when played back the same material. Mirror mode behavior was also compared to interacting with real dolphins (controls). Mark tests were conducted, as well as switches from front to side self-views to see if the dolphins turned. They presented marked areas to the self-view television and turned. The results suggest self-examination over social behavior.  
  Address Earthtrust, Kailua, Hawaii 96734, USA  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1053-8100 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:8521259 Approved no  
  Call Number Equine Behaviour @ team @ Serial 4164  
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Author Ishida, N.; Oyunsuren, T.; Mashima, S.; Mukoyama, H.; Saitou, N. url  openurl
  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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  Series Volume Series Issue Edition  
  ISSN 0022-2844 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:7666447 Approved no  
  Call Number Equine Behaviour @ team @ Serial 5042  
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Author Connor, R.C. url  doi
openurl 
  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  
  Keywords  
  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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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0169-5347 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:21236964 Approved no  
  Call Number Equine Behaviour @ team @ Serial 5407  
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Author Mesterton-Gibbons, M.; Dugatkin, L.A. url  openurl
  Title Toward a theory of dominance hierarchies: effects of assessment, group size, and variation in fighting ability Type Journal Article
  Year 1995 Publication Behavioral Ecology Abbreviated Journal Behav. Ecol.  
  Volume 6 Issue 4 Pages 416-423  
  Keywords  
  Abstract We introduce assessment to the analysis of dominance hierarchies by exploring the effect of an evolutionarily stable fighting rule when there is variation in resource holding potential (RHP) and RHP is not a perfectly reliable predictor of the outcome of a fight. With assessment, the probability of a linear hierarchy decreases with group size but can remain appreciable for groups of up to seven or eight individuals, whereas it decreases virtually to zero if there is no assessment. The probability of a hierarchy that correlates perfectly with RHP is low unless group size is small.  
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  Notes 10.1093/beheco/6.4.416 Approved no  
  Call Number refbase @ user @ Serial 447  
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Author Dugatkin, L.A.; Hoglund, J. url  doi
openurl 
  Title Delayed breeding and the evolution of mate copying in lekking species Type Journal Article
  Year 1995 Publication Journal of Theoretical Biology Abbreviated Journal J. Theor. Biol.  
  Volume 174 Issue 3 Pages 261-267  
  Keywords  
  Abstract Recent experimental evidence indicates that females may copy the mate choice of others. Here, we present a model for the evolution of mate copying strategies in lekking species. In the model, all females (copiers and non-copiers) assess male quality, but a copier's assessment of a male's quality increases after males have mated with other females. The model demonstrates that mate copying is favored when breeding late in the season has a relatively high cost. We hope that our results will spur empirical work quantifying the time constraints associated with breeding, thus allowing more direct tests of the model's predictions.  
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  Notes Approved no  
  Call Number refbase @ user @ Serial 482  
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Author Godin, J.-G.J.; Dugatkin, L.A. url  doi
openurl 
  Title Variability and repeatability of female mating preference in the guppy Type Journal Article
  Year 1995 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.  
  Volume 49 Issue 6 Pages 1427-1433  
  Keywords  
  Abstract Models of inter-sexual selection generally assume heritable variation in mating preferences among females within populations. However, little is known about the nature of such variation. The aim of this study was to characterize quantitatively the phenotypic variation in female preference for a sexually selected male trait, body colour pattern, within a population of the Trinidadian guppy, Poecilia reticulata. Significantly more female guppies preferred the more brightly coloured of two similar-sized males presented simultaneously as potential mates. Mating preference scores for individual females were significantly and positively correlated between two repeated trials on successive days. Females were thus individually consistent in their particular choice of mates, and the calculated repeatability of their mating preference was relatively high. Notwithstanding the aforementioned, significant variation existed among females in the degree of their preference for brightly coloured males. Individual mating preference scores were not normally distributed, but were rather skewed to the right (i.e. towards greater values). These results suggest that additive genetic variation for mating preferences based on male colour pattern is maintained, and the opportunity for the further evolution of both bright male colour patterns and female preference for this trait appears to exist in the study population from the Quare River, Trinidad.  
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  Notes Approved no  
  Call Number refbase @ user @ Serial 492  
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