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Author Kruska, D.C.T.
Title On the evolutionary significance of encephalization in some eutherian mammals: effects of adaptive radiation, domestication, and feralization Type Journal Article
Year (up) 2005 Publication Brain Behav Evol Abbreviated Journal
Volume 65 Issue Pages
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Call Number Equine Behaviour @ team @ Kruska2005 Serial 6235
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Author Saunders, F.C.; McElligott, A.G.; Safi, K.; Hayden, T.J.
Title Mating tactics of male feral goats (Capra hircus): risks and benefits Type Journal Article
Year (up) 2005 Publication Acta Ethol Abbreviated Journal
Volume 8 Issue Pages
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Call Number Equine Behaviour @ team @ Saunders2005 Serial 6252
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Author Shi, J.; Dunbar, R.I.M.; Buckland, D.; Miller, D.
Title Dynamics of grouping patterns and social segregation in feral goats (Capra hircus) on the Isle of Rum, NW Scotland Type Journal Article
Year (up) 2005 Publication Mammalia Abbreviated Journal
Volume 69 Issue Pages
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Call Number Equine Behaviour @ team @ Shi2005 Serial 6257
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Author Pérez-Barbería, F.J.; Gordon, I.J.
Title Gregariousness increases brain size in ungulates Type Journal Article
Year (up) 2005 Publication Oecologia Abbreviated Journal
Volume 145 Issue Pages
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Call Number Equine Behaviour @ team @ Pérez-Barbería2005 Serial 6258
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Author Bates, D.
Title Fitting linear mixed models in R Type Journal Article
Year (up) 2005 Publication R News Abbreviated Journal
Volume 5 Issue Pages
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Call Number Equine Behaviour @ team @ Bates2005 Serial 6293
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Author Podlog, L.; Eklund, R.C.
Title Return to Sport after Serious Injury: A Retrospective Examination of Motivation and Psychological Outcomes Type Journal Article
Year (up) 2005 Publication Journal of Sport Rehabilitation Abbreviated Journal Journal of Sport Rehabilitation
Volume 14 Issue 1 Pages 20-34
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Abstract Context: It is argued in self-determination theory that the motivation underlying behavior has implications for health and well-being independent of the behavior itself. Objective: To examine associations between athlete motivations for returning to sport after injury and perceived psychological return-to-sport outcomes. Design: A correlational survey design was employed to obtain data in Canada, Australia, and England. Participants: Elite and subelite athletes (N = 180) with injuries requiring a minimum 2-month absence from sport participation. Main Outcome Measures: Participants completed an inventory measuring perceptions of motivation to return to sport from a serious injury and psychological return-to-sport outcomes. Results: Correlational analyses revealed that intrinsic motivations for returning to competition were associated with a positive renewed perspective on sport participation. Conversely, extrinsic motivations for returning to sport were associated with increased worry and concern. Conclusions: The motivation underlying return to sport might play an important role in return-to-sport perceptions among elite and subelite athletes.
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Publisher Human Kinetics Place of Publication Editor
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ISSN 1056-6716 ISBN Medium
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Notes doi: 10.1123/jsr.14.1.20 Approved no
Call Number Equine Behaviour @ team @ Serial 6390
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Author Galef, B.G.; Laland, K.N.
Title Social Learning in Animals: Empirical Studies and Theoretical Models Type Journal Article
Year (up) 2005 Publication BioScience Abbreviated Journal
Volume 55 Issue 6 Pages 489-499
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Abstract AbstractThe last two decades have seen a virtual explosion in empirical research on the role of social interactions in the development of animals' behavioral repertoires, and a similar increase in attention to formal models of social learning. Here we first review recent empirical evidence of social influences on food choice, tool use, patterns of movement, predator avoidance, mate choice, and courtship, and then consider formal models of when animals choose to copy behavior, and which other animals' behavior they copy, together with empirical tests of predictions from those models.
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ISSN 0006-3568 ISBN Medium
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Notes 10.1641/0006-3568(2005)055[0489:Sliaes]2.0.Co;2 Approved no
Call Number Equine Behaviour @ team @ Serial 6398
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Author Burch, J.W.; Layne, G.A.; Follmann, E.H.; Rexstad, E.A.
Title Evaluation of Wolf Density Estimation from Radiotelemetry Data Type Journal Article
Year (up) 2005 Publication Wildl Soc Bull Abbreviated Journal
Volume 33 Issue Pages
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Call Number Equine Behaviour @ team @ Burch2005 Serial 6477
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Author Maury, M.; Murphy, K.; Kumar, S.; Mauerer, A.; Lee, G.
Title Spray-drying of proteins: effects of sorbitol and trehalose on aggregation and FT-IR amide I spectrum of an immunoglobulin G Type Journal Article
Year (up) 2005 Publication European Journal of Pharmaceutics and Biopharmaceutics Abbreviated Journal Eur. J. Pharm. Biopharm.
Volume 59 Issue 2 Pages 251-261
Keywords Immunoglobulin; Spray-drying; Stabilization; Sorbitol; Trehalose; Water replacement
Abstract An immunoglobulin G (IgG) was spray-dried on a Büchi 190 laboratory spray-dryer at inlet and outlet air temperatures of 130 and 190°C, respectively. The IgG solution contains initially 115mg/ml IgG plus 50mg/ml sorbitol. After dialysis, at least 80% of low molecular weight component was removed. After spray-drying the dialyzed IgG and immediate redissolution of the powder, an increase in aggregates from 1 to 17% occurred. A major shift towards increase β-sheet structure was detected in the spray-dried solid, which, however, reverted to native structure on redissolution of the powder. A correlation between aggregation determined by size exclusion chromatography and alterations in secondary structure determined by Fourier transformation infra-red spectroscopy could not therefore be established. On spray-drying a non-dialyzed, sorbitol-containing IgG only some 0.7% aggregates were formed. The sorbitol is therefore evidently able to stabilize partially the IgG during the process of spray-drying. Addition of trehalose to the liquid feed produced quantitatively the same stabilizing action on the IgG during spray-drying as did the sorbitol. This finding again points towards a water replacement stabilization mechanism. The IgG spray-dried powder prepared from the dialyzed liquid feed showed continued substantial aggregation on dry storage at 25°C. This was substantially less in the non-dialyzed, sorbitol-containing spray-dried powder. Addition of trehalose to both dialyzed and non-dialyzed system produced substantial improvement in storage stability and reduction in aggregate formation in storage. The quantitative stabilizing effect of the trehalose was only slightly higher than that of the sorbitol. Taken together, these results indicate that both the sorbitol and trehalose stabilize the IgG primarily by a water replacement mechanism rather than by glassy immobilization. The relevance of this work is its questioning of the importance of the usually considered dominance of glassy stabilization of protein in dried systems of high glass transition temperature, such as trehalose. The low glass transition temperature sorbitol produces almost equal process and storage stability in this case.
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ISSN 0939-6411 ISBN Medium
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Call Number Equine Behaviour @ team @ Serial 6515
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Author Lonsdorf, E.V.
Title Sex differences in the development of termite-fishing skills in the wild chimpanzees, Pan troglodytes schweinfurthii, of Gombe National Park, Tanzania Type Journal Article
Year (up) 2005 Publication Animal Behaviour Abbreviated Journal Anim. Behav.
Volume 70 Issue 3 Pages 673-683
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Abstract By the age of 5.5 years, all of the young chimpanzees of Gombe National Park have acquired a skill known as 'termite fishing'. Termite fishing involves inserting a flexible tool made from vegetation into a termite mound and extracting the termites that attack and cling to the tool. Although tool use is a well-known phenomenon in chimpanzees, little is known about how such skills develop in the wild. Prior studies have found adult sex differences in frequency, duration and efficiency of tool-using tasks, with females scoring higher on all measures. To investigate whether these sex differences occurred in youngsters, I performed a 4-year longitudinal field study during which I observed and videotaped young chimpanzees' development of the termite-fishing behaviour. Critical elements of the skill included identifying a hole, making a tool, inserting a tool into a hole and extracting termites. These elements appeared in the same order during the development of all subjects, but females typically peaked at least a year earlier than males in their performance of the skills that precede termite fishing. In addition, young females successfully termite-fished an average of 27 months earlier than young males and were more proficient at the skill after acquisition had occurred. Furthermore, the techniques of female offspring closely resembled those of their mothers whereas the techniques of male offspring did not, suggesting that the process by which termite fishing is learned differs for male and female chimpanzees.
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ISSN 0003-3472 ISBN Medium
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Call Number Equine Behaviour @ team @ Serial 6536
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