| Records |
| Author |
Kuczaj, S. A; Makecha, R.; Trone, M.; Paulos, R. D; Ramos, J. A. |
| Title |
Role of Peers in Cultural Innovation and Cultural Transmission: Evidence from the Play of Dolphin Calves |
Type |
Journal Article |
| Year |
2006 |
Publication |
International Journal of Comparative Psychology |
Abbreviated Journal |
Int. J. Comp. Psychol |
| Volume |
19 |
Issue |
2 |
Pages |
223-240 |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6526 |
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| Author |
Scott, L.D. |
| Title |
Living donor liver transplant--is the horse already out of the barn? |
Type |
Journal Article |
| Year |
2006 |
Publication |
The American Journal of Gastroenterology |
Abbreviated Journal |
Am J Gastroenterol |
| Volume |
101 |
Issue |
4 |
Pages |
686-688 |
| Keywords |
Guidelines; Humans; Informed Consent; Liver Transplantation/*ethics; Living Donors/*ethics; Patient Selection; Risk Factors; Tissue and Organ Harvesting; Truth Disclosure |
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| Address |
Division of Gastroenterology & Hepatology, The University of Texas Medical Branch, Galveston, Texas, USA |
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English |
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0002-9270 |
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| Notes |
PMID:16635214 |
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no |
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Serial |
1874 |
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| Author |
Palagi, E.; Cordoni, G.; Borgognini Tarli, S. |
| Title |
Possible roles of consolation in captive chimpanzees (Pan troglodytes) |
Type |
Journal Article |
| Year |
2006 |
Publication |
American Journal of Physical Anthropology |
Abbreviated Journal |
Am J Phys Anthropol |
| Volume |
129 |
Issue |
1 |
Pages |
105-111 |
| Keywords |
Animals; Animals, Zoo/*physiology; Empathy; Female; Male; Pan troglodytes/*physiology; *Social Behavior; Stress/physiopathology/veterinary |
| Abstract |
Empathy is a necessary prerequisite for the occurrence of consolation. The term “consolation” contains a hypothesis about function, which is distress alleviation. The present study aims to confirm the occurrence of consolation in captive chimpanzees via the post-conflict/matched-control method (PC-MC) and to suggest its possible roles. We collected 273 PC-MC pairs in the group of Pan troglodytes housed in the ZooParc de Beauval (France). We confirmed the presence of consolatory contacts (mean level of consolation, 49.5% +/- 22.3% SEM) in the colony. Consolation rates were significantly higher than reconciliation levels (mean level of reconciliation, 28.9% +/- 16.8% SEM). The level of consolation was greater in the absence of reconciliation than in the presence of it, suggesting that consolation might be an alternative behavior. As friendship and relatedness did not influence the occurrence of consolation, they did not seem to be the best prerequisites for this behavioral mechanism, at least in this chimpanzee colony. Affinitive contacts with third parties were significantly more frequent when the victim called attention to itself during severe aggressions by screaming. These high-pitched sounds seem to be useful in eliciting aid from conspecifics, as occurs in young humans. The occurrence of consolation reduced the likelihood of further attacks among group-members. From this perspective, both victims and consolers most likely gain potential advantages by interacting with each other when aggression is particularly severe, reconciliation is not immediate, and consequently social stress reaches high levels. |
| Address |
Centro Interdipartimentale Museo di Storia Naturale e del Territorio, Universita di Pisa, 56010 Calci, Italy. betta.palagi@museo.unipi.it |
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English |
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0002-9483 |
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| Notes |
PMID:16229027 |
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no |
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refbase @ user @ |
Serial |
2871 |
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| Author |
Kurvers, C.M.H.C.; van Weeren, P.R.; Rogers, C.W.; van Dierendonck, M.C. |
| Title |
Quantification of spontaneous locomotion activity in foals kept in pastures under various management conditions |
Type |
Journal Article |
| Year |
2006 |
Publication |
American journal of veterinary research |
Abbreviated Journal |
Am J Vet Res |
| Volume |
67 |
Issue |
7 |
Pages |
1212-1217 |
| Keywords |
Aging; Animal Husbandry; Animals; Female; Horses/*physiology; Male; Motor Activity/*physiology; Sex Characteristics |
| Abstract |
OBJECTIVE: To describe spontaneous locomotion activity of foals kept under various management conditions and assess the suitability of global positioning system (GPS) technology for recording foal activity. Animals-59 foals. PROCEDURES: During the foals' first 4 months of life, 921 observation periods (15 minutes each) were collected and analyzed for locomotion activities. The GPS system was evaluated by simultaneously carrying out field observations with a handheld computer. RESULTS: Foals spent 0.5% of total observed time cantering, 0.2% trotting, 10.7% walking, 32.0% grazing, 34.8% standing, and 21.6% lying down. Total observed daytime workload (velocity x distance) in the first month was approximately twice that in the following months. Locomotion activity decreased with increasing age. Colts had more activity than fillies in certain periods, and foals that were stabled for some portion of the day had compensatory locomotion activity, which was probably insufficient to reach the level of foals kept continually outside. The GPS recordings and handheld-computer observations were strongly correlated for canter, trot, and walk and moderately correlated for standing and lying. Correlation for grazing was low. CONCLUSIONS AND CLINICAL RELEVANCE: Results indicated that domestically managed foals, when kept 24 h/d at pasture, will exercise at a level comparable with feral foals. High workload during the first month of life might be important for conditioning the musculoskeletal system. The GPS technique accurately quantified canter, trot, and walk activities; less accurately indexed resting; and was unsuitable for grazing because of the wide array of velocities used while foraging. |
| Address |
Department of Equine Sciences, Faculty of Veterinary Medicine, Utrecht University, The Netherlands |
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English |
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0002-9645 |
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| Notes |
PMID:16817745 |
Approved |
no |
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Serial |
1786 |
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| Author |
Lin, Y.-L.; Moolenaar, H.; van Weeren, P.R.; van de Lest, C.H.A. |
| Title |
Effect of microcurrent electrical tissue stimulation on equine tenocytes in culture |
Type |
Journal Article |
| Year |
2006 |
Publication |
American Journal of Veterinary Research |
Abbreviated Journal |
Am J Vet Res |
| Volume |
67 |
Issue |
2 |
Pages |
271-276 |
| Keywords |
Animals; Apoptosis; Cell Proliferation; Cells, Cultured; Electric Stimulation; *Horses; Tendons/*cytology |
| Abstract |
OBJECTIVE: To determine effects of microcurrent electrical tissue stimulation (METS) on equine tenocytes cultured from the superficial digital flexor tendon (SDFT). SAMPLE POPULATION: SDFTs were collected from 20 horses at slaughter. PROCEDURE: Tenocytes were isolated following outgrowth from explants and grown in 48-well plates. Four methods of delivering current to the tenocytes with a METS device were tested. Once the optimal method was selected, current consisting of 0 (negative control), 0.05, 0.1, 0.5, 1.0, or 1.5 mA was applied to cells (8 wells/current intensity) once daily for 8 minutes. Cells were treated for 1, 2, or 3 days. Cell proliferation, DNA content, protein content, and apoptosis rate were determined. RESULTS: Application of microcurrent of moderate intensity increased cell proliferation and DNA content, with greater increases with multiple versus single application. Application of microcurrent of moderate intensity once or twice increased protein content, but application 3 times decreased protein content. Application of current a single time did not significantly alter apoptosis rate; however, application twice or 3 times resulted in significant increases in apoptosis rate, and there were significant linear (second order) correlations between current intensity and apoptosis rate when current was applied twice or 3 times. CONCLUSIONS AND CLINICAL RELEVANCE: Results of the present study indicate that microcurrent affects the behavior of equine tenocytes in culture, but that effects may be negative or positive depending on current intensity and number of applications. Therefore, results are far from conclusive with respect to the suitability of using METS to promote tendon healing in horses. |
| Address |
Department of Equine Sciences, Faculty of Veterinary Medicine, State University of Utrecht, Utrecht, The Netherlands |
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English |
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0002-9645 |
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| Notes |
PMID:16454632 |
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no |
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Serial |
1878 |
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| Author |
Nettle, D. |
| Title |
The evolution of personality variation in humans and other animals |
Type |
Journal Article |
| Year |
2006 |
Publication |
The American Psychologist |
Abbreviated Journal |
Am Psychol |
| Volume |
61 |
Issue |
6 |
Pages |
622-631 |
| Keywords |
Animals; Birds; *Evolution; Female; Fishes; Humans; Insects; Male; Personality/*genetics/*physiology |
| Abstract |
A comprehensive evolutionary framework for understanding the maintenance of heritable behavioral variation in humans is yet to be developed. Some evolutionary psychologists have argued that heritable variation will not be found in important, fitness-relevant characteristics because of the winnowing effect of natural selection. This article propounds the opposite view. Heritable variation is ubiquitous in all species, and there are a number of frameworks for understanding its persistence. The author argues that each of the Big Five dimensions of human personality can be seen as the result of a trade-off between different fitness costs and benefits. As there is no unconditionally optimal value of these trade-offs, it is to be expected that genetic diversity will be retained in the population. |
| Address |
University of Newcastle, Newcastle, United Kingdom. daniel.nettle@ncl.ac.uk |
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English |
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0003-066X |
ISBN |
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| Notes |
PMID:16953749 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4105 |
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Dallmeyer, M.D.; Turner, R.M.; McDonnell, S.M.; Sertich, P.L.; Dolente, B.A.; Parente, E.J.; Diaz, O.M.S. |
| Title |
Theriogenology question of the month. Behavior problems in a stallion caused by a nephrolith |
Type |
Journal Article |
| Year |
2006 |
Publication |
Journal of the American Veterinary Medical Association |
Abbreviated Journal |
J Am Vet Med Assoc |
| Volume |
229 |
Issue |
4 |
Pages |
511-513 |
| Keywords |
Animals; Behavior, Animal; Horse Diseases/physiopathology/surgery/*ultrasonography; Horses/*physiology; Kidney Calculi/physiopathology/surgery/ultrasonography/*veterinary; Male; Sperm Count/*veterinary; *Sperm Motility; Treatment Outcome |
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| Address |
Department of Clinical Studies, New Bolton Center, School of Veterinary Medicine, University of Pennsylvania, Kennett Square, PA 19348, USA |
| Corporate Author |
American College of Theriogenologists |
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English |
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0003-1488 |
ISBN |
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PMID:16910847 |
Approved |
no |
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Serial |
1865 |
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| Author |
Kaiser, L.; Heleski, C.R.; Siegford, J.; Smith, K.A. |
| Title |
Stress-related behaviors among horses used in a therapeutic riding program |
Type |
Journal Article |
| Year |
2006 |
Publication |
Journal of the American Veterinary Medical Association |
Abbreviated Journal |
J Am Vet Med Assoc |
| Volume |
228 |
Issue |
1 |
Pages |
39-45 |
| Keywords |
Adult; Animals; Behavior, Animal/*physiology; Child; *Disabled Persons; Female; Horses/*psychology; Humans; Male; *Mentally Disabled Persons; Occupational Therapy/methods; Recreation; Risk Factors; Stress/*veterinary |
| Abstract |
OBJECTIVE: To determine whether therapeutic riding resulted in higher levels of stress or frustration for horses than did recreational riding and whether therapeutic riding with at-risk individuals was more stressful for the horses than was therapeutic riding with individuals with physical or emotional handicaps. DESIGN: Observational study. ANIMALS: 14 horses in a therapeutic riding program. PROCEDURE: An ethogram of equine behaviors was created, and horses were observed while ridden by 5 groups of riders (recreational riders, physically handicapped riders, psychologically handicapped riders, at risk children, and special education children). Number of stress-related behaviors (ears pinned back, head raised, head turned, head tossed, head shaken, head down, and defecation) was compared among groups. RESULTS: No significant differences in mean number of stress-related behaviors were found when horses were ridden by recreational riders, physically handicapped riders, psychologically handicapped riders, or special education children. However, mean number of stress-related behaviors was significantly higher when horses were ridden by the at-risk children. CONCLUSIONS AND CLINICAL RELEVANCE: Results suggest that for horses in a therapeutic riding program, being ridden by physically or psychologically handicapped individuals is no more stressful for the horses than is being ridden in the same setting by recreational riders. However, at-risk children caused more stress to the horses, suggesting that the time horses are ridden by at-risk children should be limited both daily and weekly. |
| Address |
Human-Animal Bond Initiative, College of Nursing, Michigan State University, East Lansing, MI 48824, USA |
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English |
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0003-1488 |
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| Notes |
PMID:16426164 |
Approved |
no |
| Call Number |
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Serial |
1879 |
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| Author |
Kaiser, L.; Smith, K.A.; Heleski, C.R.; Spence, L.J. |
| Title |
Effects of a therapeutic riding program on at-risk and special education children |
Type |
Journal Article |
| Year |
2006 |
Publication |
Journal of the American Veterinary Medical Association |
Abbreviated Journal |
J Am Vet Med Assoc |
| Volume |
228 |
Issue |
1 |
Pages |
46-52 |
| Keywords |
Adolescent; Anger; Animals; *Bonding, Human-Pet; Child; Child Behavior; *Child Psychology; Disabled Persons/*psychology/rehabilitation; Female; Horses; Humans; Mainstreaming (Education); Male; Mothers/*psychology; Occupational Therapy/*methods; Recreation; Self Efficacy; Sports/*psychology |
| Abstract |
OBJECTIVE: To determine the effects of a therapeutic riding program on psychosocial measurements among children considered at risk for poor performance or failure in school or life and among children in special education programs. DESIGN: Observational study. POPULATION: 17 at-risk children (6 boys and 11 girls) and 14 special education children (7 boys and 7 girls). PROCEDURE: For the at-risk children, anger, anxiety, perceived self-competence, and physical coordination were assessed. For the special education children, anger and cheerfulness were measured, and the children's and their mothers' perceptions of the children's behavior were assessed. Measurements were made before and after an 8-session therapeutic riding program. RESULTS: For boys enrolled in the special education program, anger was significantly decreased after completion of the riding program. The boys' mothers also perceived significant improvements in their children's behavior after completion of the program. CONCLUSIONS AND CLINICAL RELEVANCE: Results suggest that an 8-session therapeutic riding program can significantly decrease anger in adolescent boys in a special education program and positively affect their mothers' perception of the boys' behavior. |
| Address |
Human-Animal Bond Initiative, College of Nursing, Michigan State University, East Lansing, MI 48824, USA |
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English |
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0003-1488 |
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| Notes |
PMID:16426165 |
Approved |
no |
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Serial |
1880 |
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| Author |
Poisbleau, M.; Fritz, H.; Valeix, M.; Perroi, P.-Y.; Dalloyau, S.; Lambrechts, M.M. |
| Title |
Social dominance correlates and family status in wintering dark-bellied brent geese, Branta bernicla bernicla |
Type |
Journal Article |
| Year |
2006 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
| Volume |
71 |
Issue |
6 |
Pages |
1351-1358 |
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| Abstract |
In many gregarious species, including ducks and geese, being dominant provides more benefits than costs, because dominants have better access to resources essential for survival or reproduction. In geese, being in better body condition during migration towards the breeding grounds positively influences reproductive success. However, underlying proximate mechanisms linking prebreeding body condition on the wintering grounds to breeding success remain poorly understood. We investigated social dominance correlates and family status, in three consecutive winters, in a free-ranging, migrating, dark-bellied brent goose population. Families with juveniles dominated pairs, and pairs dominated singletons. Dominance rank did not increase with the number of juveniles per family. Males were dominant over females. Social dominance and reproductive status for a given winter were significantly correlated with body mass, body size and body condition during the previous winter, suggesting that body condition in winter also affects subsequent breeding success and hence also dominance. Levels of testosterone and triiodothyronine were not correlated with immediate or later dominance or reproductive status. We discuss the role of family status as a signal of social status in determining reproductive strategies. |
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0003-3472 |
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no |
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Equine Behaviour @ team @ |
Serial |
4690 |
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