Records |
Author |
Munthali, S.M.; Banda, H.M. |
Title |
Distribution and abundance of the common ungulates of Nyika National Park |
Type |
Journal Article |
Year |
1992 |
Publication |
Afr. J. Ecol |
Abbreviated Journal |
Afr. J. Ecol |
Volume |
30 |
Issue |
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Pages |
203-212 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2390 |
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Author |
Whiten, A.; Ham, R. |
Title |
On the nature and evolution of imitation in the animal kingdom: reappraisal of a century of research. |
Type |
Journal Article |
Year |
1992 |
Publication |
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Abbreviated Journal |
Adv. Study Behav. |
Volume |
21 |
Issue |
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Pages |
239-283 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
5599 |
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Author |
Duncan P, |
Title |
Zebras, asses, and horses |
Type |
Book Whole |
Year |
1992 |
Publication |
Kelvyn Press USA |
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Abstract |
Provides summaries of the conservation status, biology, and ecology of wild zebras, asses, and horses. The Action Plan presents chapters on taxonomy, genetics, reproductive biology, population dynamics, management, disease and epidemiology, and the importance of developing an assessment methodology that considers the role of equids in ecosystems. |
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Kelvyn Press |
Place of Publication |
Broadview, Illinois |
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ISBN |
978-2831700564 |
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Notes |
from Professor Hans Klingels Equine Reference List JA - |
Approved |
yes |
Call Number |
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Serial |
1032 |
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Author |
Winkler A, |
Title |
The feeding ecology of the Cape Mountain zebra in the Mountain Zebra National Park |
Type |
Manuscript |
Year |
1992 |
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Thesis |
Doctoral thesis |
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Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
yes |
Call Number |
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Serial |
1713 |
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Author |
Dugatkin, L.A.; Godin, G.J. |
Title |
Predator inspection, shoaling and foraging under predation hazard in the Trinidadian guppy,Poecilia reticulata |
Type |
Journal Article |
Year |
1992 |
Publication |
Environmental Biology of Fishes |
Abbreviated Journal |
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Volume |
34 |
Issue |
3 |
Pages |
265-276 |
Keywords |
Antipredation – Social group – Feeding – Predation risk – Trade-off – Fish |
Abstract |
Guppies,Poecilia reticulata, living in stream pools in Trinidad, West Indies, approached a potential fish predator (a cichlid fish model) in a tentative, saltatory manner, mainly as singletons or in pairs. Such behavior is referred to as predator inspection behavior. Inspectors approached the trunk and tail of the predator model more frequently, more closely and in larger groups than they approached the predator's head, which is presumably the most dangerous area around the predator. However, guppies were not observed in significantly larger shoals in the stream when the predator model was present. In a stream enclosure, guppies inspected the predator model more frequently when it was stationary compared to when it was moving, and made closer inspections to the posterior regions of the predator than to its head. Therefore, the guppies apparently regarded the predator model as a potential threat and modified their behavior accordingly when inspecting it. Guppies exhibited a lower feeding rate in the presence of the predator, suggesting a trade-off between foraging gains and safety against predation. Our results further suggest that predator inspection behavior may account for some of this reduction in foraging. These findings are discussed in the context of the benefits and costs of predator inspection behavior. |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2176 |
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Author |
Davis, H.; Balfour, D. (eds) |
Title |
The Inevitable Bond: Examining Scientist-Animal Interactions |
Type |
Book Whole |
Year |
1992 |
Publication |
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Abstract |
Book Description
Although animals are widely employed as research subjects, it is only recently that we have acknowledged the bond that frequently, perhaps inevitably, develops between subject and researcher. Whatever the qualities of this relationship, an increasing body of evidence suggests that it may result in profound behavioural and physiological changes in the animal subject. Such effects are apparent in behavioural studies conducted in both laboratory and field settings. They also appear in physiological studies ranging from the biomedical (e.g. heart rate, blood pressure, immunological changes) to animal science (e.g. growth, reproduction). Such effects are not confined to obvious cases involving primates and dogs, but appear in unexpected animals like chickens, reptiles and even octopuses. Despite the fact that most researchers are trained to minimise or avoid such interactions, they continue to occur. This book, the first of its kind to address this issue systematically, describes many examples of this “inevitable bond” between scientist and animal. This discussion will allow researchers to anticipate these potentially confounding effects and take advantage of such relationships in designing more effective and humane environments for animal subjects. |
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Publisher |
Cambridge University Press |
Place of Publication |
Cambridge, Massachusetts |
Editor |
Davis, H.; Balfour, D. |
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ISBN |
978-0521405102 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
3595 |
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Author |
Leng, V. |
Title |
Das Vielseitigkeitspferd. Der Vielseitigkeitsreiter. Ausbildung, Training, Event. |
Type |
Book Whole |
Year |
1992 |
Publication |
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Publisher |
Blv Verlagsgesellschaft |
Place of Publication |
München |
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ISBN |
3 405 14344 6 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
4438 |
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Author |
Schmidt, D. |
Title |
Information Resources in Animal Behavior |
Type |
Journal Article |
Year |
1992 |
Publication |
Science & Technology Libraries |
Abbreviated Journal |
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Volume |
12 |
Issue |
1 |
Pages |
69-83 |
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Abstract |
The study of animal behavior has been around for many years, but it is divided into several fields which often do not communicate well. These fields of study include (but are not limited to) comparative psychology, ethology, behavioral ecology, and sociobiology. Comparative psychology is more isolated than the other three fields, which share a common biological/evolutionary background. This paper gives a brief background of the four main fields of animal behavior research, along with a list of sources, both specialized and interdisciplinary. |
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Routledge |
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Edition |
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ISSN |
0194-262x |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
4725 |
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Author |
Wall, D.L.; Topliff, D.R.; Freeman, D.W.; Wagner, D.G.; Breazile, J.W.; Stutz, W.A. |
Title |
Effect of dietary cation-anion balance on urinary mineral excretion in exercised horses |
Type |
Journal Article |
Year |
1992 |
Publication |
Journal of Equine Veterinary Science |
Abbreviated Journal |
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Volume |
12 |
Issue |
3 |
Pages |
168-171 |
Keywords |
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Abstract |
Summary Four mares and four geldings of Quarter Horse and Thoroughbred breeding were used in two simultaneous 4x4 Latin square experiments to study the effects of dietary cation-anion balance (DCAB), defined as meq ((Na+K)-C1)/kg dry matter, on urinary pH and mineral excretion in exercised horses. Diets consisted of a pelleted concentrate of corn, soybean meal and cottonseed hulls fed with bermudagrass hay. Treatments with DCAB of +5 (Low, L), +107 (Medium Low, ML), +201 (Medium High, MH) and +327 (High, H), meq ((Na+K)-Cl)/kg dry matter were formed by supplementing diet L with calcium chloride and ammonium chloride, diet ML with calcium chloride and diet H with sodium bicarbonate and potassium citrate (Table 1). Diet MH was not supplemented and served as the control treatment. Horses were conditioned aerobically for 6 weeks using long, slow, distance (LSD) workouts. During the experimental periods, horses were subjected to a combined exercise regimen alternating LSD with an interval-training protocol 6 days/week. There was a significant (P<.01) treatment effect on urine pH; least squares means for L, ML, MH and H were 6.73, 7.17, 7.38, and 7.92. Horses consuming diet L excreted more calcium in the urine (P<.05) than those consuming MH or H. Least squares means for daily urine calcium excretion tended to be linear across treatments and ranged from 19.66 g/day for diet L to 9.12 g/day for diet H. Urinary chloride excretion was higher (P<.05) for L than for MH or H. Horses fed diet H excreted more sodium (P<.05) in urine than horses fed the other diets. Lowering DCAB, increases urinary calcium loss; depending on the level of calcium intake, this could lead to negative calcium balance in exercising horses. |
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Edition |
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ISSN |
0737-0806 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
4833 |
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Author |
Stutz, W.A.; Topliff, D.R.; Freeman, D.W.; Tucker, W.B.; Breazile, J.W.; Wall, D.L. |
Title |
Effects of dietary cation-anion balance on blood parameters in exercising horses |
Type |
Journal Article |
Year |
1992 |
Publication |
Journal of Equine Veterinary Science |
Abbreviated Journal |
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Volume |
12 |
Issue |
3 |
Pages |
164-167 |
Keywords |
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Abstract |
Summary Four geldings and four mares of primarily Thoroughbred and Quarter Horse breeding were used in simultaneous 4x4 Latin square experiments to test the effects of dietary cation-anion balance (DCAB), defined as meq ((Na+K)-C1)/kg diet dry matter, on blood pH, blood gases, acid-base status and plasma glucose in horses at rest and following anaerobic exercise. Four diets, consisting of a base concentrate of corn, soybean meal and cottonseed hulls fed in a 60:40 ratio with Bermudagrass hay, were formulated to provide a DCAB of 5 (L=Low), 107 (ML=Medium Low), 201 (MH=Medium High) and 327 (H=High) meq ((Na+K)-C1)/kg diet dry matter. Calcium chloride and ammonium chloride were added to treatment L and ML and sodium bicarbonate and potassium citrate were added to treatment H to achieve the desired cation-anion balance. Treatment MH was not supplemented and served as the control treatment. Prior to the experiment, horses performed six weeks of long, slow, distance (LSD) work. During the experimental periods, horses were subjected to an exercise regimen alternating LSD with an interval training protocol 6 days/week. Venous blood pH, pCO2 and bicarbonate levels were significantly lower in horses at rest consuming diet L versus diets MH and H. Blood pH and acid-base parameters decreased with decreasing DCAB. There were no significant differences in blood pH or acid-base parameters between treatments, after anaerobic exercise. Plasma glucose concentrations for treatment L were significantly lower than treatment H at 10, 20, and 30 minutes post-exercise. These data suggest that DCAB has significant effect on acid-base status and indicate that horses consuming diets with low DCAB may experience a metabolic acidosis. |
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0737-0806 |
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Equine Behaviour @ team @ |
Serial |
4834 |
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