| Records |
| Author |
de Waal, F.B.M.; Luttrell, L.M. |
| Title |
Mechanisms of social reciprocity in three primate species: Symmetrical relationship characteristics or cognition? |
Type |
Journal Article |
| Year |
1988 |
Publication |
Ethology and Sociobiology |
Abbreviated Journal |
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Volume  |
9 |
Issue |
2–4 |
Pages |
101-118 |
| Keywords |
Reciprocity; Agonistic intervention; Cognition; Chimpanzees; Macaques |
| Abstract |
Agonistic intervention behavior was observed in captive groups of chimpanzees (Pan troglodytes), rhesus monkeys (Macaca mulatta), and stumptail monkeys (M. arctoides). Reciprocity correlations of interventions were determined while removing from the data the effects of several symmetrical relationship characteristics, that is, matrillineal kinship, proximity relations, and same-sex combination. It was considered likely that if significant reciprocity persisted after controlling for these characteristics, the reciprocity was based on cognitive mechanisms. Statistical significance was tested by means of recently developed matrix permutation procedures. All three species exhibited significant reciprocity with regard to beneficial interventions, even after controlling for symmetrical traits. Harmful interventions were, however, reciprocal among chimpanzees only. This species showed a “revenge system”, that is, if A often intervened against B, B did the same to A. In contrast, both macaque species showed significantly inversed reciprocity in their harmful interventions: if A often intervened against B, B rarely intervened against A. Further analysis indicates that the strict hierarchy of macaques prevents them from achieving complete reciprocity. Compared to chimpanzees, macaques rarely intervene against higher ranking group members. The observed contrast can be partially explained on the basis of differences in available space, as indicated by a comparison of indoor and outdoor living conditions for the chimpanzee colony. Yet, even when such spatial factors are taken into account, substantial behavior differences between chimpanzees and macaques remain. |
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0162-3095 |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
5809 |
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| Author |
Huff, A.N. |
| Title |
Winter Manegement |
Type |
Journal Article |
| Year |
1988 |
Publication |
Journal of Equine Veterinary Science |
Abbreviated Journal |
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| Volume |
8 |
Issue |
1 |
Pages |
81-81 |
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no |
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Equine Behaviour @ team @ |
Serial |
4668 |
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| Author |
Huff, A.N. |
| Title |
Safety |
Type |
Journal Article |
| Year |
1988 |
Publication |
Journal of Equine Veterinary Science |
Abbreviated Journal |
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| Volume |
8 |
Issue |
1 |
Pages |
81-81 |
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no |
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Equine Behaviour @ team @ |
Serial |
4669 |
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| Author |
Geyer Cj, T.E. |
| Title |
Gene survival in the Asian wild horse: I. Dependence of gene survival in the Calgary breeding group pedigree |
Type |
Journal Article |
| Year |
1988 |
Publication |
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Abbreviated Journal |
Zoo Biol |
| Volume |
7 |
Issue |
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Pages |
313-327 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
1107 |
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| Author |
Holzapfel, W.H.; Botha, S.J. |
| Title |
Physiology of Sporolactobacillus strains isolated from different habitats and the indication of in vitro antagonism against Bacillus species |
Type |
Journal Article |
| Year |
1988 |
Publication |
International Journal of Food Microbiology |
Abbreviated Journal |
Int J Food Microbiol |
| Volume |
7 |
Issue |
2 |
Pages |
161-168 |
| Keywords |
Animals; Bacillaceae/isolation & purification/*physiology; Bacillus/*physiology; Cattle; *Ecology; Feces/*microbiology; Food Microbiology; Horses; Sewage; Sheep; Water Microbiology |
| Abstract |
In an ecological study only low numbers of Sporolactobacillus were found in habitats such as the faeces of herbivores, the rumen of cattle and the final waste water of an abattoir. Their presence in the final waste water of an abattoir indicates their possible association with food, and, more specifically, with meat. Differences were found in some physiological characteristics. One isolate (L2404) differed from the authentic Sporolactobacillus ATCC 15538 by its inability to ferment inulin, its growth in presence of 6.5% NaCl and in 0.2% tellurite, by the isomer(s) of lactic acid produced and the mol% G + G in the DNA. One Sporolactobacillus isolate (L2407) showed antagonism against Bacillus cereus, Bacillus cereus var, mycoides, Bacillus megaterium and Bacillus subtilis. |
| Address |
Department of Microbiology and Plant Pathology, University of Pretoria, Republic of South Africa |
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English |
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0168-1605 |
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| Notes |
PMID:3275317 |
Approved |
no |
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Equine Behaviour @ team @ |
Serial |
2675 |
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| Author |
Houston, A.I.; McNamara, J.M. |
| Title |
Fighting for food: a dynamic version of the Hawk-Dove game |
Type |
Journal Article |
| Year |
1988 |
Publication |
Evolutionary Ecology |
Abbreviated Journal |
Evol. Ecol. |
| Volume |
2 |
Issue |
1 |
Pages |
51-64 |
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no |
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refbase @ user @ |
Serial |
750 |
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| Author |
Ginsberg, J.R. |
| Title |
Social organisation and mating strategies of an arid adapted equid: The Grevy`s zebra. |
Type |
Manuscript |
| Year |
1988 |
Publication |
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Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
268 pp |
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Thesis |
Ph.D. thesis |
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Princeton University |
Place of Publication |
Princeton |
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Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
766 |
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| Author |
Boyd, L, |
| Title |
The behavior of Przewalski's horses |
Type |
Manuscript |
| Year |
1988 |
Publication |
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Thesis |
Ph.D. thesis |
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Cornell University |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
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Serial |
970 |
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| Author |
KIRKPATRICK JF et al, |
| Title |
Pregnancy determination in uncaptured feral Horses based on steroid metabolites in urine – soaked snow and free steroids in feces |
Type |
Journal Article |
| Year |
1988 |
Publication |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
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Serial |
1272 |
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| Author |
Berger, J, |
| Title |
Social systems, resources, and phylogenetic inertia: an experimental test and its limitations |
Type |
Book Chapter |
| Year |
1988 |
Publication |
Ecology of Social Behavior |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
157-186 |
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| Publisher |
Academic Press |
Place of Publication |
San Diego |
Editor |
Slobochikoff, C.N. |
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Original Title |
Ecology of Social Behavior |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2234 |
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