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Author |
Epstein H, |
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Title |
Wild Ass |
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Journal Article |
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Year |
1971 |
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In Epstein: The origin of the domestic animals of Africa. II |
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378-381 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
1070 |
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Author |
Epstein H, |
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Title |
Descent and origin of the ass |
Type |
Book Chapter |
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Year |
1971 |
Publication |
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Abbreviated Journal |
In Epstein: The origin of the domestic animals of Africa. II. |
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Volume |
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Pages |
394-398 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
1069 |
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Author |
BOUISSOU MF et al, |
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Title |
Intercommunications chez les ongules |
Type |
Journal Article |
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Year |
1971 |
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Abbreviated Journal |
J Psychol normale et pathologieque |
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Volume |
3-4 |
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Pages |
415 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
952 |
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Author |
Archer M, |
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Title |
Preliminary studies on the palatability of grasses, legumes and herbs to horses |
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Journal Article |
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Year |
1971 |
Publication |
Vet Rec |
Abbreviated Journal |
Vet Rec |
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Volume |
89 |
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Pages |
236-240 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
898 |
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Author |
Hamilton, W.D. |
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Title |
Geometry for the selfish herd |
Type |
Journal Article |
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Year |
1971 |
Publication |
Journal of theoretical biology |
Abbreviated Journal |
J. Theor. Biol. |
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Volume |
31 |
Issue |
2 |
Pages |
295-311 |
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Keywords |
Animals; Anura; *Behavior, Animal; Breeding; Communication; Evolution; Fear; Metallurgy; *Models, Biological; Probability; Snakes; *Spatial Behavior |
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Abstract |
This paper presents an antithesis to the view that gregarious behaviour is evolved through benefits to the population or species. Following Galton (1871) and Williams (1964) gregarious behaviour is considered as a form of cover-seeking in which each animal tries to reduce its chance of being caught by a predator.
It is easy to see how pruning of marginal individuals can maintain centripetal instincts in already gregarious species; some evidence that marginal pruning actually occurs is summarized. Besides this, simply defined models are used to show that even in non-gregarious species selection is likely to favour individuals who stay close to others.
Although not universal or unipotent, cover-seeking is a widespread and important element in animal aggregation, as the literature shows. Neglect of the idea has probably followed from a general disbelief that evolution can be dysgenic for a species. Nevertheless, selection theory provides no support for such disbelief in the case of species with outbreeding or unsubdivided populations.
The model for two dimensions involves a complex problem in geometrical probability which has relevance also in metallurgy and communication science. Some empirical data on this, gathered from random number plots, is presented as of possible heuristic value. |
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English |
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ISSN |
0022-5193 |
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PMID:5104951 |
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refbase @ user @ |
Serial |
771 |
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Author |
Bannikov, A.G. |
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Title |
The Asiatic Wild Ass: neglected relative of the horse |
Type |
Journal Article |
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Year |
1971 |
Publication |
Animals |
Abbreviated Journal |
Animals |
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Volume |
13 |
Issue |
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Pages |
580-585 |
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Language |
Englisch |
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no |
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Call Number |
refbase @ user @ |
Serial |
756 |
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Author |
Weik, H.; Altmann, H.J. |
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Title |
[Behavior of blood lipids during fasting in the horse] |
Type |
Journal Article |
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Year |
1971 |
Publication |
Zentralblatt fur Veterinarmedizin. Reihe A |
Abbreviated Journal |
Zentralbl Veterinarmed A |
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Volume |
18 |
Issue |
2 |
Pages |
131-138 |
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Keywords |
Adipose Tissue/metabolism; Animals; Chromatography, Gas; Fasting/*veterinary; Fatty Acids/blood/metabolism; Fatty Acids, Nonesterified/blood; Horses/*metabolism; Lipids/*blood |
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German |
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Original Title |
Das Verhalten einiger Blutlipide wahrend des Hungerns beim Pferd |
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ISSN |
0514-7158 |
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Notes |
PMID:4995835 |
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refbase @ user @ |
Serial |
134 |
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Author |
Altmann, H.J.; Weik, H. |
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Title |
[Serum fatty acid patterns of phospholipid fractions in horses] |
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Journal Article |
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Year |
1971 |
Publication |
Zeitschrift fur Tierphysiologie, Tierernahrung und Futtermittelkunde |
Abbreviated Journal |
Z Tierphysiol Tierernahr Futtermittelkd |
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Volume |
28 |
Issue |
5 |
Pages |
285-288 |
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Keywords |
Animals; Chromatography, Thin Layer; Fatty Acids/*blood; *Horses; Male; Phospholipids/*blood |
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German |
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Original Title |
Fettsaurenmuster der Phospholipidfraktionen im plasma des Pferdes |
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ISSN |
0044-3565 |
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PMID:5141052 |
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refbase @ user @ |
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133 |
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Author |
Houpt, T.R.; Houpt, K.A. |
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Title |
Nitrogen conservation by ponies fed a low -protein ration |
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Journal Article |
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Year |
1971 |
Publication |
American journal of veterinary research |
Abbreviated Journal |
Am J Vet Res |
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Volume |
32 |
Issue |
4 |
Pages |
579-588 |
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Keywords |
Administration, Oral; Amino Acids/biosynthesis; Animals; Anti-Infective Agents/pharmacology; Body Weight/drug effects; Dietary Proteins/*pharmacology; Horses/*metabolism; Nitrogen/*metabolism; Urea/administration & dosage/antagonists & inhibitors/metabolism; Water/metabolism |
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English |
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0002-9645 |
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PMID:5110116 |
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refbase @ user @ |
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62 |
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