| Records |
| Author |
Pearce, G.P.; May-Davis, S.; Greaves, D. |
| Title |
Femoral asymmetry in the Thoroughbred racehorse |
Type |
Journal Article |
| Year |
2005 |
Publication |
Australian Veterinary Journal |
Abbreviated Journal |
Aust Vet J |
| Volume |
83 |
Issue |
6 |
Pages  |
367-370 |
| Keywords |
Animals; Cumulative Trauma Disorders/pathology/*veterinary; Femur/*pathology; Horse Diseases/*pathology/physiopathology; Horses; Locomotion; Physical Conditioning, Animal/*physiology |
| Abstract |
OBJECTIVE: To investigate the occurrence of geometrical asymmetries in the macro-architecture of left and right femurs from Thoroughbred racehorses previously used in competitive training and racing in New South Wales, Australia. METHODS: Detailed postmortem measurements were made of 37 characteristics of left and right femurs from eleven Thoroughbred racehorses euthanased for reasons unrelated to the study. Measurements focused on articulating surfaces and sites of attachment of muscles and ligaments known to be associated with hindlimb locomotion. RESULTS: Five measurements were significantly larger in left compared to right femurs (P < 0.05). The regions showing significant differences between left and right limbs were proximal cranial and overhead medio-lateral widths, greater trochanter depth, depth of the fovea in the femoral head and distal inter-epicondylar width. CONCLUSION: The left-right differences in femoral morphology were associated with sites of muscle and ligament attachment known to be involved with hindlimb function in negotiating turns. These differences may be the result of selection pressure for racing performance on curved race tracks and/or adaptations related to asymmetrical loading of the outside hindlimb associated with repeated negotiation of turns on such tracks. |
| Address |
Faculty of Rural Management, University of Sydney, Leeds Parade, Orange, New South Wales 2800. gpp28@cam.ac.uk |
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English |
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| ISSN |
0005-0423 |
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| Notes |
PMID:15986917 |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4036 |
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| Author |
Birch, H.G. |
| Title |
The relation of previous experience to insightful problem-solving |
Type |
Journal Article |
| Year |
1945 |
Publication |
Journal of Comparative Psychology |
Abbreviated Journal |
J Comp Psychol |
| Volume |
38 |
Issue |
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Pages |
367-383 |
| Keywords |
Humans; *Problem Solving; *Psychology, Comparative; *PSYCHOLOGY/comparative |
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English |
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| ISSN |
0021-9940 |
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| Notes |
PMID:21010765 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6554 |
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| Author |
Wells Sm, G.-R. |
| Title |
Social behaviour and relationship in a herd of Carmargue horses |
Type |
Journal Article |
| Year |
1979 |
Publication |
Zeitschrift für Tierpsychologie |
Abbreviated Journal |
Z. Tierpsychol. |
| Volume |
49 |
Issue |
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Pages |
363-380 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
1700 |
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| Author |
Westergaard, G.C.; Suomi, S.J.; Higley, J.D. |
| Title |
Handedness is associated with immune functioning and behavioural reactivity in rhesus macaques |
Type |
Journal Article |
| Year |
2002 |
Publication |
Laterality |
Abbreviated Journal |
Laterality |
| Volume |
7 |
Issue |
4 |
Pages |
359-369 |
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| Abstract |
In the present study we examined the relationship among handedness, immune functioning, and behavioural reactivity in rhesus macaques. We used the absolute number of CD4+ (T-helper) and CD8+ (T-suppressor) cells as dependent measures of immune functioning. We derived reactivity profiles from behavioural responses to a threat, and hand preference profiles from a quadrupedal food-reaching test. The results indicate positive correlations between the frequency of right versus left hand reaches and the absolute number of CD4+ cells, and between the frequency of right versus left hand reaches and the degree of human-directed aggression in response to an invasive threat. Immune measures were not associated with the strength of hand preference. These results are consistent with and extend previous findings obtained with rodents to nonhuman primates and provide further support for the view that behavioural lateralisation is associated with immune functioning and behavioural reactivity. |
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Routledge |
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1357-650x |
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| Notes |
doi: 10.1080/13576500143000230 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
5779 |
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| Author |
Wells, P.G.; Bhuller, Y.; Chen, C.S.; Jeng, W.; Kasapinovic, S.; Kennedy, J.C.; Kim, P.M.; Laposa, R.R.; McCallum, G.P.; Nicol, C.J.; Parman, T.; Wiley, M.J.; Wong, A.W. |
| Title |
Molecular and biochemical mechanisms in teratogenesis involving reactive oxygen species |
Type |
Journal Article |
| Year |
2005 |
Publication |
Toxicology and applied pharmacology |
Abbreviated Journal |
Toxicol Appl Pharmacol |
| Volume |
207 |
Issue |
2 Suppl |
Pages |
354-366 |
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| Abstract |
Developmental pathologies may result from endogenous or xenobiotic-enhanced formation of reactive oxygen species (ROS), which oxidatively damage cellular macromolecules and/or alter signal transduction. This minireview focuses upon several model drugs (phenytoin, thalidomide, methamphetamine), environmental chemicals (benzo[a]pyrene) and gamma irradiation to examine this hypothesis in vivo and in embryo culture using mouse, rat and rabbit models. Embryonic prostaglandin H synthases (PHSs) and lipoxygenases bioactivate xenobiotics to free radical intermediates that initiate ROS formation, resulting in oxidation of proteins, lipids and DNA. Oxidative DNA damage and embryopathies are reduced in PHS knockout mice, and in mice treated with PHS inhibitors, antioxidative enzymes, antioxidants and free radical trapping agents. Thalidomide causes embryonic DNA oxidation in susceptible (rabbit) but not resistant (mouse) species. Embryopathies are increased in mutant mice deficient in the antioxidative enzyme glucose-6-phosphate dehydrogenase (G6PD), or by glutathione (GSH) depletion, or inhibition of GSH peroxidase or GSH reductase. Inducible nitric oxide synthase knockout mice are partially protected. Inhibition of Ras or NF-kB pathways reduces embryopathies, implicating ROS-mediated signal transduction. Atm and p53 knockout mice deficient in DNA damage response/repair are more susceptible to xenobiotic or radiation embryopathies, suggesting a teratological role for DNA damage, consistent with enhanced susceptibility to methamphetamine in ogg1 knockout mice with deficient repair of oxidative DNA damage. Even endogenous embryonic oxidative stress carries a risk, since untreated G6PD- or ATM-deficient mice have increased embryopathies. Thus, embryonic processes regulating the balance of ROS formation, oxidative DNA damage and repair, and ROS-mediated signal transduction may be important determinants of teratological risk. |
| Address |
Faculty of Pharmacy, University of Toronto, Toronto, Ontario, Canada; Department of Pharmacology, University of Toronto, Toronto, Ontario, Canada |
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English |
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Edition |
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| ISSN |
0041-008X |
ISBN |
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Conference |
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| Notes |
PMID:16081118 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
68 |
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| Author |
Eisenmann V, G.D.C. |
| Title |
Caractères distinctifs des premières phalanges antérieures et postérieures chez certains équidés actuels et fossiles |
Type |
Journal Article |
| Year |
1974 |
Publication |
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Abbreviated Journal |
Bull Soc g?ol France |
| Volume |
16 |
Issue |
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Pages |
352-361 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
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Serial |
1059 |
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| Author |
Nocera, J.J.; Forbes, G.J.; Giraldeau, L.-A. |
| Title |
Inadvertent social information in breeding site selection of natal dispersing birds |
Type |
Journal Article |
| Year |
2006 |
Publication |
Proceedings. Biological Sciences / The Royal Society |
Abbreviated Journal |
Proc Biol Sci |
| Volume |
273 |
Issue |
1584 |
Pages |
349-355 |
| Keywords |
Animals; *Behavior, Animal; *Breeding; *Environment; Female; Logistic Models; Male; Songbirds/growth & development/*physiology |
| Abstract |
Several species use the number of young produced as public information (PI) to assess breeding site quality. PI is inaccessible for synchronously breeding birds because nests are empty by the time the young can collect this information. We investigate if location cues are the next best source of inadvertent social information (ISI) used by young prospectors during breeding site choice. We experimentally deployed ISI as decoys and song playbacks of breeding males in suitable and sub-optimal habitats during pre- and post-breeding periods, and monitored territory establishment during the subsequent breeding season for a social, bobolink (Dolichonyx oryzivorus), and a more solitary species, Nelson's sharp-tailed sparrow (Ammodramus nelsoni). The sparrows did not respond to treatments, but bobolinks responded strongly to post-breeding location cues, irrespective of habitat quality. The following year, 17/20 sub-optimal plots to which bobolink males were recruited were defended for at least two weeks, indicating that song heard the previous year could exert a “carry-over attraction” effect on conspecifics the following year. Sixteen recruited males were natal dispersers, as expected when animals have little opportunity to directly sample their natal habitat quality. We suggest that differences in breeding synchronicity may induce an equivalent clinal distribution of ISI use. |
| Address |
Department of Biology, University of New Brunswick, Bag Service #45111, Fredericton, NB E3B 6E1, Canada. j.nocera@unb.ca |
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English |
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0962-8452 |
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| Notes |
PMID:16543178 |
Approved |
no |
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Serial |
2129 |
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| Author |
Dreber, A.; Rand, D.G.; Fudenberg, D.; Nowak, M.A. |
| Title |
Winners don/'t punish |
Type |
Journal Article |
| Year |
2008 |
Publication |
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Abbreviated Journal |
Nature |
| Volume |
452 |
Issue |
7185 |
Pages |
348-351 |
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| Abstract |
A key aspect of human behaviour is cooperation1, 2, 3, 4, 5, 6, 7. We tend to help others even if costs are involved. We are more likely to help when the costs are small and the benefits for the other person significant. Cooperation leads to a tension between what is best for the individual and what is best for the group. A group does better if everyone cooperates, but each individual is tempted to defect. Recently there has been much interest in exploring the effect of costly punishment on human cooperation8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23. Costly punishment means paying a cost for another individual to incur a cost. It has been suggested that costly punishment promotes cooperation even in non-repeated games and without any possibility of reputation effects10. But most of our interactions are repeated and reputation is always at stake. Thus, if costly punishment is important in promoting cooperation, it must do so in a repeated setting. We have performed experiments in which, in each round of a repeated game, people choose between cooperation, defection and costly punishment. In control experiments, people could only cooperate or defect. Here we show that the option of costly punishment increases the amount of cooperation but not the average payoff of the group. Furthermore, there is a strong negative correlation between total payoff and use of costly punishment. Those people who gain the highest total payoff tend not to use costly punishment: winners don't punish. This suggests that costly punishment behaviour is maladaptive in cooperation games and might have evolved for other reasons. |
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Nature Publishing Group |
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0028-0836 |
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| Notes |
10.1038/nature06723 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4406 |
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| Author |
Balakrishnan, G.; Hu, Y.; Spiro, T.G. |
| Title |
Temperature-jump apparatus with Raman detection based on a solid-state tunable (1.80-2.05 microm) kHz optical parametric oscillator laser |
Type |
Journal Article |
| Year |
2006 |
Publication |
Applied Spectroscopy |
Abbreviated Journal |
Appl Spectrosc |
| Volume |
60 |
Issue |
4 |
Pages |
347-351 |
| Keywords |
Animals; Cytochromes c/analysis; Horses; Lasers; Myoglobin/metabolism; Spectrum Analysis, Raman/*instrumentation/*methods; *Temperature |
| Abstract |
The operating characteristics of a pulsed (10 ns) tunable near-infrared (NIR) laser source are described for temperature-jump (T-jump) applications. A Q-switched Nd:YLF laser (approximately 10 ns pulses) with a 1 kHz repetition rate is used to pump a potassium titanyl arsenate (KTA) crystal-based optical parametric oscillator (OPO), producing approximately 1 mJ NIR pulses that are tunable (1.80-2.05 microm) across the 1.9 microm vibrational overtone band of water. This T-jump source has been coupled to a deep ultraviolet (UV) probe laser for Raman studies of protein dynamics. T-jumps of up to 30 degrees C, as measured via the O-H stretching Raman band of water, are readily achieved. Application to cytochrome c unfolding is demonstrated. |
| Address |
Department of Chemistry, Princeton University, Princeton, New Jersey 08544, USA |
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English |
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| ISSN |
0003-7028 |
ISBN |
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| Notes |
PMID:16613628 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
3764 |
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| Author |
Judge, P.G.; de Waal, F.B.; Paul, K.S.; Gordon, T.P. |
| Title |
Removal of a trauma-inflicting alpha matriline from a group of rhesus macaques to control severe wounding |
Type |
Journal Article |
| Year |
1994 |
Publication |
Laboratory animal science |
Abbreviated Journal |
Lab Anim Sci |
| Volume |
44 |
Issue |
4 |
Pages |
344-350 |
| Keywords |
*Aggression; Animals; Female; *Macaca mulatta; Male; *Monkey Diseases; *Social Dominance; Wounds and Injuries/epidemiology/prevention & control/*veterinary |
| Abstract |
Wounding in an 83-member group of rhesus macaques (Macaca mulatta) housed at the Yerkes Regional Primate Research Center Field Station became excessive to the point that intervention was deemed necessary. When observations indicated that three females from the group's alpha matriline were principally responsible for the wounding, the matriline (N = 7) was removed from the group. This study was conducted to document an atypical pattern of wounding in this group and to evaluate the effectiveness of removal as a procedure for controlling injuries. The aggression rates of 21 adult subjects and the wounds of all group members were recorded before and after the removal procedure and compared with those in a similar-sized group. Removing the alpha matriline did not alter aggression rates in the group or the rank order among the remaining matrilines. Aggression rates in the experimental group were also not significantly different from those in the comparison group before or after the removal. With the alpha matriline present, wounding levels in the group were significantly higher than those in the comparison group. After removal of the matriline, the frequency of wounds decreased significantly to levels similar to those of the comparison group. The pattern of excess wounding attributed to the extracted alpha females was idiosyncratic, involving removal of large patches of skin from the hindquarters of adult females or removal of the distal portion of the fingers, toes, or tail from juveniles.(ABSTRACT TRUNCATED AT 250 WORDS) |
| Address |
Yerkes Regional Primate Research Center, Emory University, Atlanta, GA 30329 |
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English |
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Edition |
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| ISSN |
0023-6764 |
ISBN |
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| Notes |
PMID:7983846 |
Approved |
no |
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refbase @ user @ |
Serial |
207 |
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