| Records |
| Author |
Mulder, R.A.; Langmore, N.E. |
| Title |
Dominant males punish helpers for temporary defection in superb fairy-wrens |
Type |
Journal Article |
| Year |
1993 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
| Volume |
45 |
Issue |
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Pages |
830-833 |
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| Notes |
10.1006/anbe.1993.1100 |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4922 |
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| Author |
Budzinsky, M.; Soltys, L; Wawiorko, J. |
| Title |
Estimate of excitability of half bred horses |
Type |
Conference Article |
| Year |
1993 |
Publication |
43 Annual meeting FEZ. Madrid |
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no |
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Equine Behaviour @ team @ |
Serial |
5020 |
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| Author |
Neveu, P.J. |
| Title |
Brain Lateralization and Immunomodulation |
Type |
Journal Article |
| Year |
1993 |
Publication |
International Journal of Neuroscience |
Abbreviated Journal |
Int J Neurosci |
| Volume |
70 |
Issue |
1-2 |
Pages |
135-143 |
| Keywords |
Psychoneuroimmunology, brain lateralization |
| Abstract |
The two sides of the brain may be differently involved in the modulation of immune responses as demonstrated by lesional and behavioral approaches in rodents. Lesions of right or left neocortex induced opposite effects on various immune parameters including mitogen-induced lymphoproliferation, interleukin-2 production, macrophage activation or natural killer cell activity. This animal model, useful to elucidate whereby the brain and the immune system can communicate, appears to be suitable for studying the immune perturbations observed during stroke in humans. Brain asymmetry in modulation of immune reactivity may also be demonstrated in intact animal using a behavioral paradigm. The direction of a lateralized motor behavior ie paw preference in a food reaching task, correlated with an asymmetrical brain organization, was shown to be associated with lymphocyte reactivity, natural killer cell activity and auto-antibody production. The association between paw preference and immune reactivity in mice varies according to the immune parameters tested and is a sex-dependent phenomenon in which genetic background may be involved. The experimental models for investigating asymmetrical brain modulation of the immune system should be useful for studying several physiological, pathological and genetic aspects of neuroimmunomodulation. |
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Informa Clin Med |
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0020-7454 |
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| Notes |
doi: 10.3109/00207459309000569 |
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no |
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Equine Behaviour @ team @ |
Serial |
5778 |
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| Author |
Herbert, T.B.; Cohen, S. |
| Title |
Stress and immunity in humans: a meta-analytic review |
Type |
Journal Article |
| Year |
1993 |
Publication |
Psychosomatic Medicine |
Abbreviated Journal |
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| Volume |
55 |
Issue |
4 |
Pages |
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| Abstract |
: This article presents a meta-analysis of the literature on stress and immunity in humans. The primary analyses include all relevant studies irrespective of the measure or manipulation of stress. The results of these analyses show substantial evidence for a relation between stress and decreases in functional immune measures (proliferative response to mitogens and natural killer cell activity). Stress is also related to numbers and percent of circulating white blood cells, immunoglobulin levels, and antibody titers to herpesviruses. Subsequent analyses suggest that objective stressful events are related to larger immune changes than subjective self-reports of stress, that immune response varies with stressor duration, and that interpersonal events are related to different immune outcomes than nonsocial events. We discuss the way neuroendocrine mechanisms and health practices might explain immune alteration following stress, and outline issues that need to be investigated in this area. Copyright (C) 1993 by American Psychosomatic Society |
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0033-3174 |
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no |
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Equine Behaviour @ team @ 00006842-199307000-00004 |
Serial |
5995 |
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| Author |
Byrne, R.W. |
| Title |
Do larger brains mean greater intelligence? |
Type |
Journal Article |
| Year |
1993 |
Publication |
Behavioral and Brain Sciences |
Abbreviated Journal |
Behav. Brain Sci. |
| Volume |
16 |
Issue |
4 |
Pages |
696-697 |
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Cambridge University Press |
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| ISSN |
1469-1825 |
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no |
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Equine Behaviour @ team @ |
Serial |
6171 |
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| Author |
Genov, P.W.; Kostava, V. |
| Title |
Untersuchungen zur zahlenmäßigen Stärke des Wolfes und seiner Einwirkung auf die Haustierbestände in Bulgarien |
Type |
Journal Article |
| Year |
1993 |
Publication |
Zeitschrift für Jagdwissenschaft |
Abbreviated Journal |
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| Volume |
39 |
Issue |
4 |
Pages |
217-223 |
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| Abstract |
Die Untersuchung wurde in der Zeitspanne von 1984 bis 1988 durchgeführt. Es wurden die Protokolle des Staatlichen Versicherungsinstituts benutzt, die Angaben für Raubüberfälle von Wölfen auf Haustiere beinhalten (Tabelle 1). Außerdem wurden Angaben über die während dieser Zeitspanne erlegten Wölfe zusammengefaßt. Die Abschußzahlen lauten: 1984 – 163, 1985 – 147, 1986 – 179, 1987 – 211 und 1988 – 220 Tiere. Die Anzahl der in den einzelnen Gebirgen lebenden Wölfe wurde nach einer Umfrage festgestellt. Für die in Betracht kommenden Gebirge werden folgende Bestandszahlen angenommen: Rhodopen -- 60-80 Individuen, 189 bis 264 km2 pro Tier, Rila- und Piringebirge -- 60-80 Tiere, 109 bis 145 km2 pro Tier, Ossogowo-Belassiza Gebirgssystem -- 40-50 Individuen, 57-70 km2 pro Tier, West- und Mittelbalkan -- 35-38 Wölfe, 200 km2 pro Tier. Dazu kommen noch 10-15 Wölfe im Flußbecken von Beli Lom und etwa 20 Exemplare in Strandscha- und Sakargebirge. Insgesamt lebten in Bulgarien im Jahre 1988 etwa 260-330 Wölfe (Abb. 1). |
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| ISSN |
1439-0574 |
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Approved |
no |
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Equine Behaviour @ team @ Genov1993 |
Serial |
6686 |
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| Author |
Fabre-Thorpe, M.; Fagot, J.; Lorincz, E.; Levesque, F.,; Vauclair, J. |
| Title |
Laterality in cats: Paw preference and performance in a visuomotor activity. |
Type |
Journal Article |
| Year |
1993 |
Publication |
Cortex |
Abbreviated Journal |
Cortex |
| Volume |
29 |
Issue |
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Pages |
15-24 |
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| Abstract |
In a two-choice discrimination paradigm, a bottlenose dolphin discriminated relational dimensions between visual numerosity stimuli under monocular viewing conditions. After prior binocular acquisition of the task, two monocular test series with different number stimuli were conducted. In accordance with recent studies on visual lateralization in the bottlenose dolphin, our results revealed an overall advantage of the right visual field. Due to the complete decussation of the optic nerve fibers, this suggests a specialization of the left hemisphere for analysing relational features between stimuli as required in tests for numerical abilities. These processes are typically right hemisphere-based in other mammals (including humans) and birds. The present data provide further evidence for a general right visual field advantage in bottlenose dolphins for visual information processing. It is thus assumed that dolphins possess a unique functional architecture of their cerebral asymmetries. |
| Address |
Bottlenose dolphin; Hemispheric specialization; Monocular vision; Numerical ability |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
5367 |
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| Author |
Owren, M.J.; Dieter, J.A.; Seyfarth, R.M.; Cheney, D.L. |
| Title |
Vocalizations of rhesus (Macaca mulatta) and Japanese (M. fuscata) macaques cross-fostered between species show evidence of only limited modification |
Type |
Journal Article |
| Year |
1993 |
Publication |
Developmental psychobiology |
Abbreviated Journal |
Dev Psychobiol |
| Volume |
26 |
Issue |
7 |
Pages |
389-406 |
| Keywords |
Animals; Animals, Newborn; Behavior, Animal; Discrimination Learning; Environment; Female; *Macaca; *Macaca mulatta; Male; Sound Spectrography; *Vocalization, Animal |
| Abstract |
Two rhesus and two Japanese macaque infants were cross-fostered between species in order to study the effects of auditory experience on vocal development. Both the cross-fostered and normally raised control subjects were observed over the first 2 years of life and their vocalizations were tape-recorded. We classified 8053 calls by ear, placed each call in one of six acoustic categories, and calculated the rates at which different call-types were used in different social contexts. Species differences were found in the use of “coo” and “gruff” vocalizations among control subjects. Japanese macaques invariably produced coos almost exclusively. In contrast, rhesus macaques produced a mixture of coos and gruffs and showed considerable interindividual variation in the relative use of one call type or the other. Cross-fostered Japanese macaques adhered to their species-typical behavior, rarely using gruffs. Cross-fostered rhesus subjects also exhibited species-typical behavior in many contexts, but in some situations produced coos and gruffs at rates that were intermediate between those shown by normally raised animals of the two species. This outcome suggests that environmentally mediated modification of vocal behavior may have occurred, but that the resulting changes were quite limited. |
| Address |
California Regional Primate Research Center, University of California, Davis |
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English |
Summary Language |
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Edition |
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| ISSN |
0012-1630 |
ISBN |
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| Notes |
PMID:8270122 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
700 |
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| Author |
Colahan, P.; Lindsey, E.; Nunier, C. |
| Title |
Determination of the center of pressure of the hoofs of the forelimbs of horses standing on a flat level surface |
Type |
Journal Article |
| Year |
1993 |
Publication |
Acta Anatomica |
Abbreviated Journal |
Acta Anat (Basel) |
| Volume |
146 |
Issue |
2-3 |
Pages |
175-178 |
| Keywords |
Animals; Forelimb/*physiology; Hoof and Claw/*physiology; Horses/*physiology; *Posture; Pressure |
| Abstract |
The pressure exerted on a flat level surface by recently trimmed, unshod hoofs of the front limbs of 23 sound, adult horses was measured using pressure-sensitive film and a specially built cassette. The horses were tranquilized and stood with one foot on the 2.9-cm-thick cassette and the other on a block of equal height. The hoofs were observed for motion during the measurement, and the developed film was examined for improper alignment of the film or slipping of the hoof. The center of pressure was located using the method of weighted proportions of Barrey. This static measurement system with a long measurement time and the number of measurements reduced the influence of variables inherent in the horses' behavior and the measuring system. The calculated point was recorded as falling medial to, lateral to or on a line bisecting the central sulcus of the frog. In the dorsal to palmar orientation the point was classified with reference to a line drawn halfway between the most dorsal and the most palmar mark on the film. Forty-six percent of the calculated centers of pressure were located in the medial heel area. Binomial analysis for large samples indicates that this was a significant variation from a random distribution. Seventy-six percent of the centers were located in or on the borders of the medial heel. |
| Address |
College of Veterinary Medicine, University of Florida, Gainesville 32608-0136 |
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English |
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0001-5180 |
ISBN |
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| Notes |
PMID:8470462 |
Approved |
no |
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refbase @ user @ |
Serial |
1946 |
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| Author |
Capela, R.; Sousa, C.; Pena, I.; Caeiro, V. |
| Title |
Preliminary note on the distribution and ecology of Culicoides imicola in Portugal |
Type |
Journal Article |
| Year |
1993 |
Publication |
Medical and Veterinary Entomology |
Abbreviated Journal |
Med Vet Entomol |
| Volume |
7 |
Issue |
1 |
Pages |
23-26 |
| Keywords |
Animals; *Ceratopogonidae; Ecology; Population Density; Portugal |
| Abstract |
Data on Culicoides imicola were obtained during studies carried out during the recent outbreak of African horse sickness in Portugal. The previous most northerly published record of C. imicola in Portugal was 38 degrees 40'N (Pegoes). In the present work the geographical distribution of this species is extended to the parallel of 41 degrees 17'N. We have also confirmed the continuous presence of adult C. imicola in Southern Portugal (Alentejo and Algarve) throughout the year. In the laboratory we obtained this species from a sample of cattle faeces and from another of soil contaminated with animal excreta. In relation to host association 57.37% of C. imicola were trapped in the vicinity of pigsties. Finally, we collected 11,463 Culicoides of which 12.47% were C. imicola. |
| Address |
Departamento de Zoologia e Antropologia, Universidade de Lisboa, Portugal |
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English |
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0269-283X |
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| Notes |
PMID:8435485 |
Approved |
no |
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Equine Behaviour @ team @ |
Serial |
2666 |
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