Records |
Author |
Eisenmann V, G.C. |
Title |
Morphologie fonctionelle et environnement chez les périssodactyles. |
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Journal Article |
Year |
1984 |
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Abbreviated Journal |
Geobios, Mém sp |
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8 |
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Pages |
69 |
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from Professor Hans Klingels Equine Reference List |
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1061 |
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Author |
Cho, K.C.; Chan, K.K. |
Title |
Kinetics of cold-induced denaturation of metmyoglobin |
Type |
Journal Article |
Year |
1984 |
Publication |
Biochimica et Biophysica Acta (BBA) – Protein Structure and Molecular Enzymology |
Abbreviated Journal |
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Volume |
786 |
Issue |
1-2 |
Pages |
103-108 |
Keywords |
Metmyoglobin denaturation; Temperature jump; Denaturation kinetics; Conformational transformation; (Horse heart) |
Abstract |
Using a slow temperature-jump spectrophotometer, we have studied the kinetics of cold-induced denaturation of metmyoglobin between 0[degree sign]C and 20[degree sign]C at acidic pH. The time-scale of the transition is slow and is of the order of minutes. The results are consistent with the transition's involving a total of three states, native (N), transient intermediate (I) and denatured (D), which are converted from one to the other in that order. |
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refbase @ user @ |
Serial |
3978 |
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Author |
Dunbar, K.; MacLeod, C.M. |
Title |
A horse race of a different color: Stroop interference patterns with transformed words |
Type |
Journal Article |
Year |
1984 |
Publication |
Journal of Experimental Psychology. Human Perception and Performance |
Abbreviated Journal |
J Exp Psychol Hum Percept Perform |
Volume |
10 |
Issue |
5 |
Pages |
622-639 |
Keywords |
*Attention; *Color Perception; Discrimination Learning; Humans; Orientation; Reaction Time; Reading; *Semantics |
Abstract |
Four experiments investigated Stroop interference using geometrically transformed words. Over experiments, reading was made increasingly difficult by manipulating orientation uncertainty and the number of noncolor words. As a consequence, time to read color words aloud increased dramatically. Yet, even when reading a color word was considerably slower than naming the color of ink in which the word was printed, Stroop interference persisted virtually unaltered. This result is incompatible with the simple horse race model widely used to explain color-word interference. When reading became extremely slow, a reversed Stroop effect--interference in reading the word due to an incongruent ink color--appeared for one transformation together with the standard Stroop interference. Whether or not the concept of automaticity is invoked, relative speed of processing the word versus the color does not provide an adequate overall explanation of the Stroop phenomenon. |
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0096-1523 |
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Notes |
PMID:6238123 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
4065 |
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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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8750-7587 |
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PMID:4055600 |
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no |
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refbase @ user @ |
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100 |
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Author |
Packer, C.; Pusey, A. E. |
Title |
Asymmetric contests in social mammals: respect, manipulation and age-specific aspects |
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Book Chapter |
Year |
1985 |
Publication |
Evolution: Essays in Honour of John Maynard Smith |
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173-86 |
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Camebridge University Press |
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Camebridge |
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Greenwood, P.J.; Slatkin, M.; |
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no |
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refbase @ user @ |
Serial |
819 |
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Sabattini, M.S.; Monath, T.P.; Mitchell, C.J.; Daffner, J.F.; Bowen, G.S.; Pauli, R.; Contigiani, M.S. |
Title |
Arbovirus investigations in Argentina, 1977-1980. I. Historical aspects and description of study sites |
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Journal Article |
Year |
1985 |
Publication |
The American Journal of Tropical Medicine and Hygiene |
Abbreviated Journal |
Am J Trop Med Hyg |
Volume |
34 |
Issue |
5 |
Pages |
937-944 |
Keywords |
Animals; Arbovirus Infections/*epidemiology/microbiology; Arboviruses; Argentina; Birds; Cattle; Child; Climate; Ecology; Encephalitis Virus, St. Louis; Encephalitis Virus, Venezuelan Equine; Encephalitis Virus, Western Equine; Encephalitis, St. Louis/epidemiology/microbiology; Encephalomyelitis, Equine/epidemiology/microbiology/veterinary; Encephalomyelitis, Venezuelan Equine/epidemiology/microbiology/veterinary; Geography; Horse Diseases/epidemiology/microbiology; Horses/microbiology; Humans |
Abstract |
This is the introductory paper to a series on the ecology of arboviruses in Argentina. Epizootics of equine encephalitis have occurred since at least 1908, principally in the Pampa and Espinal biogeographic zones, with significant economic losses; human cases of encephalitis have been rare or absent. Both western equine and eastern equine encephalitis viruses have been isolated from horses during these epizootics, but the mosquitoes responsible for transmission have not been identified. A number of isolations of Venezuelan equine encephalitis (VEE) virus were reported between 1936 and 1958 in Argentina, but the validity of these findings has been seriously questioned. Nevertheless, serological evidence exists for human infections with a member of the VEE virus complex. Serological surveys conducted in the 1960s indicate a high prevalence of infection of humans and domestic animals with St. Louis encephalitis (SLE), and 2 SLE virus strains have been isolated from rodents. Human disease, however, has rarely been associated with SLE infection. Only 7 isolations of other arboviruses have been described (3 of Maguari, 1 of Aura, 2 of Una, and 1 of an untyped Bunyamwera group virus). In 1977, we began longitudinal field studies in Santa Fe Province, the epicenter of previous equine epizootics, and in 1980 we extended these studies to Chaco and Corrientes provinces. The study sites are described in this paper. |
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0002-9637 |
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PMID:4037184 |
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Equine Behaviour @ team @ |
Serial |
2685 |
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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 |
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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. |
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Division of Vector-Borne Viral Diseases, Centers for Disease Control, Fort Collins, CO 80522-2087 |
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8756-971X |
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PMID:2906656 |
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no |
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Equine Behaviour @ team @ |
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2686 |
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Author |
Kamil, A.C.; Roitblat, H.L. |
Title |
The Ecology of Foraging Behavior: Implications for Animal Learning and Memory |
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Journal Article |
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1985 |
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Annual Review of Psychology |
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36 |
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1 |
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141-169 |
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refbase @ user @ |
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3543 |
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Author |
Sweeting, M.P.; Houpt, C.E.; Houpt, K.A. |
Title |
Social Facilitation of Feeding and Time Budgets in Stabled Ponies |
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Journal Article |
Year |
1985 |
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Journal of Animal Science |
Abbreviated Journal |
J. Anim Sci. |
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60 |
Issue |
2 |
Pages |
369-374 |
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Abstract |
Eight pairs of pony mares were observed. Members of a pair were housed in adjacent stalls and fed hay ad libitum. The behavior of both ponies was recorded simultaneously in the morning (1000 to 1200 h) and afternoon (1400 to 1600 h) for a total of 117 h. The time budget was: 70.1 {+/-} 8.6% eating; 17.8 {+/-} 7.4% standing (including stand rest, stand alert and stand nonajert); 5.2 {+/-} 7.0% pushing hay; 2.9 {+/-} 1.2% walking; 1.9 {+/-} 2.9% drinking; 1.3 {+/-} 1.1% self-grooming; .2 {+/-} .3% defecating; .06 {+/-} .1% chewing nonfood items; .06 {+/-} .03% urination; .06 {+/-} .1% licking salt; .07 {+/-} .1% pawing hay; .6 {+/-} .7% lying and .07 {+/-} .08% stretching the neck over the stall wall dividing the ponies. While eating, the ponies lifted their heads 25.4 {+/-} 11.0 times/h. In less than one-half of the occasions when urination or defecation was observed, the ponies walked away from the spot where they had been eating to eliminate. During one-half of the observations, visual contact between the ponies was prevented by a solid partition between the stalls. The ponies spent significantly more time standing nonalert when the partition prevented visual contact (12 {+/-} 7%) than when visual contact could take place (6 {+/-} 3%, P<.05). When fresh hay was supplied in the mornings, the ponies spent similar amounts of time eating whether visual contact was allowed or not, but in the afternoon significantly more time was spent feeding when visual contact was allowed (73 {+/-} 4%) than when it was not (60 {+/-} 7%). Less time was spent eating, in the absence of visual contact, despite the presence of auditory and olfactory contact. Apparently social facilitation is important in maintaining feeding behavior in ponies. N1 - |
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Equine Behaviour @ team @ |
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4232 |
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Dalin, G.; Magnusson, L.E.; Thafvelin, B.C. |
Title |
Retrospective study of hindquarter asymmetry in Standardbred trotters and its correlation with performance |
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Journal Article |
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1985 |
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Equine Vet. J. |
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17 |
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292-296 |
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Cited By (since 1996): 8; Export Date: 24 October 2008 |
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Admin @ knut @ |
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4579 |
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