| Records |
| Author |
Galef, B.G. |
| Title |
Enduring social enhancement of rats' preferences for the palatable and the piquant |
Type |
Journal Article |
Year  |
1989 |
Publication |
Appetite |
Abbreviated Journal |
Appetite |
| Volume |
13 |
Issue |
2 |
Pages |
81-92 |
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| Abstract |
In three experiments on the social induction of food preferences in rats, I found: (a) that eight 30-min exposures of a naive “observer” rat to a “demonstrator” rat fed one of two approximately equipalatable diets produced observer preference for the diet fed to its demonstrator that lasted for more than a month, (b) that simple exposure of naive subjects to a diet itself, rather than to a rat that had eaten a diet, was not sufficient to enhance preference for that diet, and (c) that lasting preference for an unpalatable, piquant diet could also be established by exposing naive rats to demonstrators that had eaten the piquant diet, but not by simply exposure to the piquant diet itself. These findings are consistent with the hypothesis proposed by both Birch and Rozin that social-affective contexts are important in establishing stable, learned preferences for foods. |
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0195-6663 |
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| Call Number |
Equine Behaviour @ team @ |
Serial |
6567 |
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| Author |
Tooze, Z.J.; Harrington, F.H.; Fentress, J.C. |
| Title |
Individually distinct vocalizations in timber wolves, Canis lupus |
Type |
Journal Article |
| Year |
1990 |
Publication |
Anim Behav |
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40 |
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Equine Behaviour @ team @ Tooze1990 |
Serial |
6468 |
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| Author |
Lee, P. |
| Title |
Adaptation to environmental change:an evolutionary perspective |
Type |
Book Chapter |
| Year |
1991 |
Publication |
Primate responses to environmental changes |
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Pages |
39-56 |
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Chapmann & Hall |
Place of Publication |
London |
Editor |
H. O. Box |
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Equine Behaviour @ team @ |
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6523 |
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Wolves in Europe: status and perspectives |
Type |
Book Whole |
| Year |
1993 |
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Munich Wildlife Society |
Place of Publication |
Ettal, Germany |
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Equine Behaviour @ team @ ref8 |
Serial |
6449 |
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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 |
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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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1439-0574 |
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Equine Behaviour @ team @ Genov1993 |
Serial |
6686 |
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| Author |
Fritts, S.H.; Bangs, E.E.; Gore, J.F. |
| Title |
The relationship of wolf recovery to habitat conservation and biodiversity in the northwestern United States |
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Journal Article |
| Year |
1994 |
Publication |
Landsc Urban Plan |
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28 |
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no |
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Equine Behaviour @ team @ Fritts1994 |
Serial |
6453 |
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| Author |
Fisher, J.; Hinde, R. A. |
| Title |
The opening of milk bottles by birds |
Type |
Journal Article |
| Year |
1994 |
Publication |
British Birds |
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British Birds |
| Volume |
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Issue |
42 |
Pages |
347-357 |
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no |
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Equine Behaviour @ team @ |
Serial |
6525 |
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| Author |
Byrne R.W. |
| Title |
The evolution of intelligence |
Type |
Book Chapter |
| Year |
1994 |
Publication |
Behaviour and Evolution |
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223-265 |
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Cambridge University Press |
Place of Publication |
Cambridge,UK |
Editor |
P.J.B. Slater and T.R. Halliday |
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no |
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Equine Behaviour @ team @ |
Serial |
6566 |
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| Author |
Griebenow, K.; Klibanov, A.M. |
| Title |
Lyophilization-induced reversible changes in the secondary structure of proteins |
Type |
Journal Article |
| Year |
1995 |
Publication |
Proc Natl Acad Sci USA |
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| Volume |
92 |
Issue |
24 |
Pages |
10969-10976 |
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Changes in the secondary structure of some dozen different proteins upon lyophilization of their aqueous solutions have been investigated by means of Fourier-transform infrared spectroscopy in the amide III band region. Dehydration markedly (but reversibly) alters the secondary structure of all the proteins studied, as revealed by both the quantitative analysis of the second derivative spectra and the Gaussian curve fitting of the original infrared spectra. Lyophilization substantially increases the beta-sheet content and lowers the alpha-helix content of all proteins. In all but one case, proteins become more ordered upon lyophilization. |
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no |
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Equine Behaviour @ team @ |
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6519 |
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| Author |
Boissy, A. |
| Title |
Fear and Fearfulness in Animals |
Type |
Journal Article |
| Year |
1995 |
Publication |
The Quarterly Review of Biology |
Abbreviated Journal |
The Quarterly Review of Biology |
| Volume |
70 |
Issue |
2 |
Pages |
165-191 |
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| Abstract |
Persistence of individual differences in animal behavior in reactions to various environmental challenges could reflect basic divergences in temperament, which might be used to predict details of adaptive response. Although studies have been carried out on fear and anxiety in various species, including laboratory, domestic and wild animals, no consistent definition of fearfulness as a basic trait of temperament has emerged. After a classification of the events that may produce a state of fear, this article describes the great variability in behavior and in physiological patterns generally associated with emotional reactivity. The difficulties of proposing fearfulness-the general capacity to react to a variety of potentially threatening situations-as a valid basic internal variable are then discussed. Although there are many studies showing covariation among the psychobiological responses to different environmental challenges, other studies find no such correlations and raise doubts about the interpretation of fearfulness as a basic personality trait. After a critical assessment of methodologies used in fear and anxiety studies, it is suggested that discrepancies among results are mainly due to the modulation of emotional responses in animals, which depend on numerous genetic and epigenetic factors. It is difficult to compare results obtained by different methods from animals reared under various conditions and with different genetic origins. The concept of fearfulness as an inner trait is best supported by two kinds of investigations. First, an experimental approach combining ethology and experimental psychology produces undeniable indicators of emotional reactivity. Second, genetic lines selected for psychobiological traits prove useful in establishing between behavioral and neuroendocrine aspects of emotional reactivity. It is suggested that fearfulness could be considered a basic feature of the temperament of each individual, one that predisposes it to respond similarly to a variety of potentially alarming challenges, but is nevertheless continually modulated during development by the interaction of genetic traits of reactivity with environmental factors, particularly in the juvenile period. Such interaction may explain much of the interindividual variability observed in adaptive responses. |
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The University of Chicago Press |
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0033-5770 |
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| Notes |
doi: 10.1086/418981 |
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no |
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Equine Behaviour @ team @ |
Serial |
6664 |
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