| Records |
| Author |
Madigan, J.E.; Whittemore, J. |
| Title |
The role of the equine practitioner in disasters |
Type |
Journal Article |
| Year |
2000 |
Publication |
Journal of the American Veterinary Medical Association |
Abbreviated Journal |
J Am Vet Med Assoc |
| Volume |
216 |
Issue |
8 |
Pages  |
1238-1239 |
| Keywords |
*Animal Husbandry/education; *Animal Welfare; Animals; Disaster Planning; *Horses; *Natural Disasters; United States; *Veterinary Medicine |
| Abstract |
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| Address |
Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California-Davis 95616, USA |
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English |
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Edition |
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| ISSN |
0003-1488 |
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| Notes |
PMID:10767959 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4055 |
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| Author |
Bergman, T.J.; Beehner, J.C.; Cheney, D.L.; Seyfarth, R.M. |
| Title |
Hierarchical classification by rank and kinship in baboons |
Type |
Journal Article |
| Year |
2003 |
Publication |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
| Volume |
302 |
Issue |
5648 |
Pages |
1234-1236 |
| Keywords |
Animals; Animals, Wild; Botswana; *Cognition; Family; Female; *Hierarchy, Social; Language; *Papio/psychology; Social Dominance; Vocalization, Animal |
| Abstract |
Humans routinely classify others according to both their individual attributes, such as social status or wealth, and membership in higher order groups, such as families or castes. They also recognize that people's individual attributes may be influenced and regulated by their group affiliations. It is not known whether such rule-governed, hierarchical classifications are specific to humans or might also occur in nonlinguistic species. Here we show that baboons recognize that a dominance hierarchy can be subdivided into family groups. In playback experiments, baboons respond more strongly to call sequences mimicking dominance rank reversals between families than within families, indicating that they classify others simultaneously according to both individual rank and kinship. The selective pressures imposed by complex societies may therefore have favored cognitive skills that constitute an evolutionary precursor to some components of human cognition. |
| Address |
Department of Biology, University of Pennsylvania, Philadelphia, PA 19104, USA. thore@sas.upenn.edu |
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English |
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Edition |
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| ISSN |
1095-9203 |
ISBN |
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Medium |
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| Notes |
PMID:14615544 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
689 |
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| Author |
Miller, R.M. |
| Title |
The revolution in horsemanship |
Type |
Journal Article |
| Year |
2000 |
Publication |
Journal of the American Veterinary Medical Association |
Abbreviated Journal |
J Am Vet Med Assoc |
| Volume |
216 |
Issue |
8 |
Pages |
1232-1233 |
| Keywords |
*Animal Welfare; Animals; *Behavior, Animal; *Bonding, Human-Pet; *Horses/psychology; Humans; *Physical Conditioning, Animal |
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English |
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| ISSN |
0003-1488 |
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| Notes |
PMID:10767957 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
1925 |
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| Author |
Gary C. Jahn; Craig Packer,Robert Heinsohn |
| Title |
Lioness leadership |
Type |
Journal Article |
| Year |
1996 |
Publication |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
| Volume |
271 |
Issue |
5253 |
Pages |
1216-1219 |
| Keywords |
Animals; *Behavior; Animal; Cooperative Behavior; Female; Lions/*psychology; Territoriality |
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Series Issue |
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Edition |
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| ISSN |
0036-8075 |
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Approved |
no |
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Equine Behaviour @ team @ Jahn1996 |
Serial |
2073 |
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| Author |
Packer, C; Heinsohn, R. |
| Title |
Response:Lioness leadership |
Type |
Journal Article |
| Year |
1996 |
Publication |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
| Volume |
271 |
Issue |
5253 |
Pages |
1215-1216 |
| Keywords |
Animals; *Behavior; Animal; Cooperative Behavior; Female; Lions/*psychology; Territoriality |
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Edition |
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0036-8075 |
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no |
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Equine Behaviour @ team @ Jahn1996 |
Serial |
2072 |
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| Author |
Forster, H.V.; Pan, L.G.; Bisgard, G.E.; Flynn, C.; Hoffer, R.E. |
| Title |
Changes in breathing when switching from nares to tracheostomy breathing in awake ponies |
Type |
Journal Article |
| Year |
1985 |
Publication |
Journal of applied physiology (Bethesda, Md. : 1985) |
Abbreviated Journal |
J Appl Physiol |
| Volume |
59 |
Issue |
4 |
Pages |
1214-1221 |
| Keywords |
Airway Resistance; Animals; Chemoreceptors/physiology; Consciousness; Exertion; Horses/*physiology; Lung Compliance; Pulmonary Gas Exchange; Pulmonary Stretch Receptors/physiology; *Respiration; Respiratory Dead Space; *Tracheotomy |
| Abstract |
We assessed the consequences of respiratory unloading associated with tracheostomy breathing (TBr). Three normal and three carotid body-denervated (CBD) ponies were prepared with chronic tracheostomies that at rest reduced physiological dead space (VD) from 483 +/- 60 to 255 +/- 30 ml and lung resistance from 1.5 +/- 0.14 to 0.5 +/- 0.07 cmH2O . l-1 . s. At rest and during steady-state mild-to-heavy exercise arterial PCO2 (PaCO2) was approximately 1 Torr higher during nares breathing (NBr) than during TBr. Pulmonary ventilation and tidal volume (VT) were greater and alveolar ventilation was less during NBr than TBr. Breathing frequency (f) did not differ between NBr and TBr at rest, but f during exercise was greater during TBr than during NBr. These responses did not differ between normal and CBD ponies. We also assessed the consequences of increasing external VD (300 ml) and resistance (R, 0.3 cmH2O . l-1 . s) by breathing through a tube. At rest and during mild exercise tube breathing caused PaCO2 to transiently increase 2-3 Torr, but 3-5 min later PaCO2 usually was within 1 Torr of control. Tube breathing did not cause f to change. When external R was increased 1 cmH2O . l-1 . s by breathing through a conventional air collection system, f did not change at rest, but during exercise f was lower than during unencumbered breathing. These responses did not differ between normal, CBD, and hilar nerve-denervated ponies, and they did not differ when external VD or R were added at either the nares or tracheostomy.(ABSTRACT TRUNCATED AT 250 WORDS) |
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English |
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Edition |
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| ISSN |
8750-7587 |
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| Notes |
PMID:4055600 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
100 |
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| Author |
Kurvers, C.M.H.C.; van Weeren, P.R.; Rogers, C.W.; van Dierendonck, M.C. |
| Title |
Quantification of spontaneous locomotion activity in foals kept in pastures under various management conditions |
Type |
Journal Article |
| Year |
2006 |
Publication |
American journal of veterinary research |
Abbreviated Journal |
Am J Vet Res |
| Volume |
67 |
Issue |
7 |
Pages |
1212-1217 |
| Keywords |
Aging; Animal Husbandry; Animals; Female; Horses/*physiology; Male; Motor Activity/*physiology; Sex Characteristics |
| Abstract |
OBJECTIVE: To describe spontaneous locomotion activity of foals kept under various management conditions and assess the suitability of global positioning system (GPS) technology for recording foal activity. Animals-59 foals. PROCEDURES: During the foals' first 4 months of life, 921 observation periods (15 minutes each) were collected and analyzed for locomotion activities. The GPS system was evaluated by simultaneously carrying out field observations with a handheld computer. RESULTS: Foals spent 0.5% of total observed time cantering, 0.2% trotting, 10.7% walking, 32.0% grazing, 34.8% standing, and 21.6% lying down. Total observed daytime workload (velocity x distance) in the first month was approximately twice that in the following months. Locomotion activity decreased with increasing age. Colts had more activity than fillies in certain periods, and foals that were stabled for some portion of the day had compensatory locomotion activity, which was probably insufficient to reach the level of foals kept continually outside. The GPS recordings and handheld-computer observations were strongly correlated for canter, trot, and walk and moderately correlated for standing and lying. Correlation for grazing was low. CONCLUSIONS AND CLINICAL RELEVANCE: Results indicated that domestically managed foals, when kept 24 h/d at pasture, will exercise at a level comparable with feral foals. High workload during the first month of life might be important for conditioning the musculoskeletal system. The GPS technique accurately quantified canter, trot, and walk activities; less accurately indexed resting; and was unsuitable for grazing because of the wide array of velocities used while foraging. |
| Address |
Department of Equine Sciences, Faculty of Veterinary Medicine, Utrecht University, The Netherlands |
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English |
Summary Language |
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| ISSN |
0002-9645 |
ISBN |
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| Notes |
PMID:16817745 |
Approved |
no |
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Serial |
1786 |
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| Author |
Stahlbaum, C.C.; Houpt, K.A. |
| Title |
The role of the Flehmen response in the behavioral repertoire of the stallion |
Type |
Journal Article |
| Year |
1989 |
Publication |
Physiology & behavior |
Abbreviated Journal |
Physiol. Behav. |
| Volume |
45 |
Issue |
6 |
Pages |
1207-1214 |
| Keywords |
Animals; Behavior, Animal/*physiology; Circadian Rhythm; Discrimination (Psychology)/physiology; Estrus; Feces; Female; Horses/*physiology; Male; Sexual Behavior, Animal/*physiology; Smell/*physiology; Taste/physiology; Urine |
| Abstract |
The role of the Flehmen response in equine behavior was investigated under field and laboratory conditions. In Experiment 1, a field study made of five stallions on pasture with between three and eighteen mares each during the season indicated the following: 1) The Flehmen response was most frequently preceded by nasal, rather than oral, investigation of substances; 2) The stallions' rate of Flehmen varied with the estrous cycles of the mares; 3) The rate of Flehmen response did not show a variation with time of day; and 4) The Flehmen response was most frequently followed by marking behaviors rather than courtship behaviors. The results suggest that the Flehmen response is not an immediate component of sexual behavior, e.g., courtship of the stallion but may be involved in the overall monitoring of the mare's estrous cycle. Therefore the Flehmen response may contribute to the chemosensory priming of the stallion for reproduction. In Experiment 2 stallions were presented with urine or feces of mares in various stages of the reproductive cycle as well as with their own or other males' urine or feces. The occurrence of sniffing and Flehmen was used to determine the discriminatory ability of the stallions. Stallions can differentiate the sex of a horse on the basis of its feces alone, but cannot differentiate on the basis of urine. This ability may explain the function of fecal marking behavior of stallions. |
| Address |
New York State College of Veterinary Medicine, Cornell University, Ithaca 14853 |
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English |
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| ISSN |
0031-9384 |
ISBN |
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| Notes |
PMID:2813545 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
44 |
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| Author |
Gentner, T.Q.; Fenn, K.M.; Margoliash, D.; Nusbaum, H.C. |
| Title |
Recursive syntactic pattern learning by songbirds |
Type |
Journal Article |
| Year |
2006 |
Publication |
Nature |
Abbreviated Journal |
Nature |
| Volume |
440 |
Issue |
7088 |
Pages |
1204-1207 |
| Keywords |
Acoustic Stimulation; *Animal Communication; Animals; Auditory Perception/*physiology; Humans; *Language; Learning/*physiology; Linguistics; Models, Neurological; Semantics; Starlings/*physiology; Stochastic Processes |
| Abstract |
Humans regularly produce new utterances that are understood by other members of the same language community. Linguistic theories account for this ability through the use of syntactic rules (or generative grammars) that describe the acceptable structure of utterances. The recursive, hierarchical embedding of language units (for example, words or phrases within shorter sentences) that is part of the ability to construct new utterances minimally requires a 'context-free' grammar that is more complex than the 'finite-state' grammars thought sufficient to specify the structure of all non-human communication signals. Recent hypotheses make the central claim that the capacity for syntactic recursion forms the computational core of a uniquely human language faculty. Here we show that European starlings (Sturnus vulgaris) accurately recognize acoustic patterns defined by a recursive, self-embedding, context-free grammar. They are also able to classify new patterns defined by the grammar and reliably exclude agrammatical patterns. Thus, the capacity to classify sequences from recursive, centre-embedded grammars is not uniquely human. This finding opens a new range of complex syntactic processing mechanisms to physiological investigation. |
| Address |
Department of Organismal Biology and Anatomy, University of Chicago, Chicago, Illinois 60637, USA. tgentner@ucsd.edu |
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English |
Summary Language |
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Series Title |
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Abbreviated Series Title |
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Series Issue |
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Edition |
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| ISSN |
1476-4687 |
ISBN |
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| Notes |
PMID:16641998 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
353 |
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| Author |
Heird, J.C.; Lennon, A.M.; Bell, R.W. |
| Title |
Effects of early experience on the learning ability of yearling horses |
Type |
Journal Article |
| Year |
1981 |
Publication |
Journal of Animal Science |
Abbreviated Journal |
J. Anim Sci. |
| Volume |
53 |
Issue |
5 |
Pages |
1204-1209 |
| Keywords |
Animals; Conditioning (Psychology); Female; *Handling (Psychology); Horses/*physiology; *Learning |
| Abstract |
Twenty-four yearling Quarter Horse fillies were divided into three groups (I) very limited handling, (II) intermediate handling and (III) extensive handling. At about 14 months of age, each horse was preconditioned for 2 weeks and then run in a simple place-learning T-maze test in which it had to locate its feed. Thirty trials were run daily for 20 days, with the location of the feed changed each day. To retire from the maze, a horse had to meet the criterion: 11 correct responses in 12 tries, with the last eight being consecutive. Horses in Group II required the fewest trials to reach criterion. These horses also learned more and had the highest percentage of correct responses (P less than .05). Mean trainability tended to predict learning ability; however, trainability and trials to criterion were not significantly correlated. Mean emotionality scores indicated a tendency for horses in the intermediately handled group to be less emotional than those in Group I or III. Results indicated that horses with an intermediate amount of handling scored higher on an intermediate test of learning. All handled horses scored higher on learning tests than those not handled. |
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Edition |
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| ISSN |
0021-8812 |
ISBN |
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| Notes |
PMID:7319966 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
3577 |
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