Records |
Author |
Matsuzawa, T. |
Title |
Use of numbers by a chimpanzee |
Type |
Journal Article |
Year |
1985 |
Publication |
Nature |
Abbreviated Journal |
Nature |
Volume |
315 |
Issue |
6014 |
Pages |
57-59 |
Keywords |
Animals; Behavior, Animal/physiology; Cognition; Female; Mathematics; Pan troglodytes/*physiology |
Abstract |
Recent studies have examined linguistic abilities in apes. However, although human mathematical abilities seem to be derived from the same foundation as those in language, we have little evidence for mathematical abilities in apes (but for exceptions see refs 7-10). In the present study, a 5-yr-old female chimpanzee (Pan troglodytes), 'Ai', was trained to use Arabic numerals to name the number of items in a display. Ai mastered numerical naming from one to six and was able to name the number, colour and object of 300 types of samples. Although no particular sequence of describing samples was required, the chimpanzee favoured two sequences (colour/object/number and object/colour/number). The present study demonstrates that the chimpanzee was able to describe the three attributes of the sample items and spontaneously organized the 'word order'. |
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ISSN |
0028-0836 |
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Notes |
PMID:3990808 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2793 |
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Author |
Duncan, P. |
Title |
Time-budgets of Camargue horses III. Environmental influences |
Type |
Journal Article |
Year |
1985 |
Publication |
Behaviour |
Abbreviated Journal |
Behaviour |
Volume |
92 |
Issue |
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Pages |
188-208 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2283 |
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Author |
Mitchell, C.J.; Darsie, R.F.J.; Monath, T.P.; Sabattini, M.S.; Daffner, J. |
Title |
The use of an animal-baited net trap for collecting mosquitoes during western equine encephalitis investigations in Argentina |
Type |
Journal Article |
Year |
1985 |
Publication |
Journal of the American Mosquito Control Association |
Abbreviated Journal |
J Am Mosq Control Assoc |
Volume |
1 |
Issue |
1 |
Pages |
43-47 |
Keywords |
Animals; Argentina; *Culicidae/classification; Disease Outbreaks/veterinary; Encephalitis Virus, Western Equine; Encephalomyelitis, Equine/transmission/*veterinary; Entomology/*instrumentation; Equipment Design; Horse Diseases/*transmission; Horses; *Insect Vectors; Population Surveillance |
Abstract |
A large net trap was used to sample mosquito populations attracted to horses at three sites each in Santa Fe and Rio Negro Provinces, Argentina, during the austral summer of 1984. These provinces, as well as others in Argentina, were affected by a severe epizootic of western equine encephalitis (WEE) during 1982-83. Totals of 2,752 and 6,929 mosquitoes were collected in Santa Fe and Rio Negro Provinces during five and three trap nights, respectively. Culex mosquitoes of the subgenus Culex were predominant (45.8% of total) in the Santa Fe collections, although Aedes albifasciatus also was prevalent (21.7%). The latter species was predominant (95.7% of total) in the Rio Negro collections. The mosquito fauna was less complex (minimum of 6 species) in Rio Negro Province as compared to Santa Fe Province (minimum of 18 species). The advantages of the net trap indicate that this trap can become a useful tool in arbovirus ecology studies in other areas. |
Address |
Division of Vector-Borne Viral Diseases, Centers for Disease Control, Fort Collins, CO 80522-2087 |
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ISSN |
8756-971X |
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Notes |
PMID:2906656 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2686 |
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Author |
Chu, G.Z., et al |
Title |
The summer habitat and population numbers of the Mongolian wild ass in the Kalamaili Mountains Wildlife Reserve, Xinjiang Uygur Autonomous Region |
Type |
Journal Article |
Year |
1985 |
Publication |
Acta Zoologica Sinica |
Abbreviated Journal |
Acta Zoologica Sinica |
Volume |
31 |
Issue |
2 |
Pages |
178-186 |
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Language |
Chineese |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2258 |
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Author |
Panov En, Z.L. |
Title |
The structure of population and behaviour of feral asses on the Ogurchinskii Island |
Type |
Journal Article |
Year |
1985 |
Publication |
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Abbreviated Journal |
Zool J |
Volume |
64 |
Issue |
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Pages |
1071-1083 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
Call Number |
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Serial |
1448 |
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Author |
Veevers, J.E. |
Title |
The Social Meaning of Pets -- Alternative Roles for Companion Animals |
Type |
Journal Article |
Year |
1985 |
Publication |
Marriage & Family Review |
Abbreviated Journal |
Marriage Fam Rev |
Volume |
8 |
Issue |
3&4 |
Pages |
11-30 |
Keywords |
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Abstract |
When companion animal interact closely with people, the roles they play may be categorized in terms of three major functions. The projective function involves the extent to which pets may serve as a symbolic extension of the self. The sociability function involves the role of pets in facilitating human-to-human interaction. The surrogate function involves the extent to which interaction with pets may supplement human-to-human interaction, or serve as a substitute for it. A person publicly identified with a companion animal makes a symbolic statement of their personality and self-image. Whether or not this process is intentional, the presence of a pet and the way it is treated become factors which are taken into account in the assessment of the social self. Pets facilitate interaction by being social lubricants. They provide a neutral subject of conversation, and perform a variety of functions as social catalysts. Since interaction with companion animals can approximate human companionship, the presence of pets may serve to supplement the benefits usually derived from the roles of friend, parent, spouse, or child. Alternatively, pets may serve as surrogate antagonists. In the extreme, interaction with companion animals may not only supplement human companionship, but may actually replace it. These three major functions are discussed with examples. Implications are noted for future research on companion animals. |
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Routledge |
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ISSN |
0149-4929 |
ISBN |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
5069 |
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Author |
Chase, I.D. |
Title |
The sequential analysis of aggressive acts during hierarchy formation: an application of the `jigsaw puzzle' approach |
Type |
Journal Article |
Year |
1985 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
Volume |
33 |
Issue |
1 |
Pages |
86-100 |
Keywords |
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Abstract |
The `jigsaw puzzle' approach is a general method for investigating how interactions among individuals cumulate to form the overall patterns of dominance behaviour in groups. Here, the model is used to discover how aggressive interactions between pairs of individuals modify subsequent interactions with bystanders or third parties. The model indicates that four sequences of successive, aggressive acts are possible in component triads of larger groups: two ensure transitive attack relationships and two can lead to either transitive or intransitive relationships. An application of the model to 14 groups of four hens demonstrates that the two sequences guaranteeing transitivity make up 77% of all sequences. More specifically, hens attacking one group member usually go on to attack a second member, and hens receiving one attack frequently receive a second attack from a bystander. In contrast, an attacked hen rarely `redirects' an attack to a bystander, and a bystander rarely attacks a group member who has just attacked another individual. The application of the jigsaw puzzle approach to aggressive sequences in other species is discussed. Data available for several primate species corroborate the findings in hens and provide support for the method as a general tool for investigating the proximate mechanisms of hierarchy formation. |
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no |
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refbase @ user @ |
Serial |
856 |
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Author |
Panov En, Z.L. |
Title |
The population structure and behaviour of the feral asses on the Ogurchinskii Island |
Type |
Journal Article |
Year |
1985 |
Publication |
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Abbreviated Journal |
Zool J 6 |
Volume |
4 |
Issue |
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Pages |
750-762 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
1447 |
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Author |
Houpt, T.R. |
Title |
The physiological determination of meal size in pigs |
Type |
Journal Article |
Year |
1985 |
Publication |
The Proceedings of the Nutrition Society |
Abbreviated Journal |
Proc Nutr Soc |
Volume |
44 |
Issue |
2 |
Pages |
323-330 |
Keywords |
Animals; Appetite/physiology; Drinking; Duodenum/physiology; *Eating; Energy Intake; Food; Horses/physiology; Milk; Osmolar Concentration; Receptors, Cell Surface/physiology; Receptors, Cholecystokinin; Swine/*physiology; Time Factors |
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ISSN |
0029-6651 |
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Notes |
PMID:2996010 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
53 |
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Author |
Crowell-Davis, S.; Houpt, K.A. |
Title |
The ontogeny of flehmen in horses |
Type |
Journal Article |
Year |
1985 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
Volume |
33 |
Issue |
3 |
Pages |
739-745 |
Keywords |
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Abstract |
Flehmen behaviour in Welsh pony (Equus caballus) mares and foals living on pasture was observed during 807 h of focal sampling. A series of flehmens performed at one site was defined as a flehmen incident. Colts exhibited flehmen incidents and performed flehmen more frequently during an incident than did fillies or mares. Filies exhibited flehmen incidents more frequently than did mares, but did not flehmen more frequently during an incident. Colts exhibited a peak frequency of performing flehmen and of flehmen incidents during weeks 1-4 with a subsequent linear decrease in frequency up to weeks 17-20. Usually, flehmen occurred without the subject having had direct contact of the nostrils, lips, or tongue with a possible stimulant. Twenty-six per cent of the flehmen incidents occurred during or after urination by another pony. Seven per cent of the incidents occurred during or after urination by the pony showing flehmen. |
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Equine Behaviour @ team @ |
Serial |
2261 |
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