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Author |
Jablonska, E.M.; Ziolkowska, S.M.; Gill, J.; Szykula, R.; Faff, J. |
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Title |
Changes in some haematological and metabolic indices in young horses during the first year of jump-training |
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Journal Article |
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Year |
1991 |
Publication  |
Equine Veterinary Journal |
Abbreviated Journal |
Equine Vet J |
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Volume |
23 |
Issue |
4 |
Pages |
309-311 |
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Keywords |
Alanine Transaminase/blood; Animals; Bicarbonates/blood; Blood Glucose/analysis; Blood Proteins/analysis; Breeding; Carbon Dioxide/blood; Exercise Test/veterinary; Fatty Acids, Nonesterified/blood; Female; Fructose-Bisphosphate Aldolase/blood; Hematocrit/veterinary; Hemoglobins/analysis; Horses/*blood/metabolism; Hydrogen-Ion Concentration; Lactates/blood; Male; Oxygen/blood; *Physical Conditioning, Animal; Pyruvates/blood |
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Abstract |
Effects of an 18 min exercise test, on three separate occasions during a one year jump-training programme, was studied in seven horses. Determinations were carried out on venous blood for packed cell volume, haemoglobin, total protein, lactate and pyruvate, glucose, free fatty acids, insulin, glucagon, blood gases, bicarbonate, pH, aldolase, aspartate aminotransferase and alanine amino-transferase. Exercise caused a slight increase in lactate and pyruvate, total protein, aldolase, alanine aminotransferase, pO2, bicarbonate and pH. Glucose, free fatty acids and pCO2 levels decreased. Training caused no significant difference in these changes. However, during the year, increases in lactate and decreases in pH (resting levels) were observed. |
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Department of Vertebrate Animal Physiology, Warszawa, Poland |
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English |
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0425-1644 |
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Notes |
PMID:1915234 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
3801 |
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Author |
Scheidhacker, M.; Bender, W.; Vaitl, P. |
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Title |
Die Wirksamkeit des therapeutischen Reitens bei der Behandlung chronisch schizophrener Patienten |
Type |
Journal Article |
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Year |
1991 |
Publication |
Der Nervenarzt |
Abbreviated Journal |
Nervenarzt |
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Volume |
62 |
Issue |
5 |
Pages |
283-287 |
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Keywords |
Adaptation, Psychological; Adult; Animals; Attention; Chronic Disease; Female; Follow-Up Studies; *Horses; Humans; Male; Psychiatric Status Rating Scales; Psychotherapy/*methods; Schizophrenia/*rehabilitation; *Schizophrenic Psychology; Self Concept; *Sports |
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Abstract |
After describing horse-riding as a facility in managing mentally ill patients, a program for chronic schizophrenic in-patients is presented. Clinical experience with this program and also results of a controlled study are reported. The therapeutic value and slope for horse-riding are discussed in relation to different diagnoses. |
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Bezirkskrankenhaus Haar b. Munchen |
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German |
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Original Title |
Die Wirksamkeit des therapeutischen Reitens bei der Behandlung chronisch schizophrener Patienten. Experimentelle Ergebnisse und klinische Erfahrungen |
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ISSN |
0028-2804 |
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Notes |
[The effectiveness of therapeutic horseback-riding in the treatment of chronic schizophrenic patients. Experimental results and clinical experiences] |
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Call Number |
Equine Behaviour @ team @ |
Serial |
5067 |
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Author |
Klingel, H. |
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Title |
Tausend Zebras im Computer |
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Journal Article |
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Year |
1991 |
Publication |
Das Tier |
Abbreviated Journal |
Das Tier |
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Volume |
10 |
Issue |
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Pages |
8-16 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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yes |
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Call Number |
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Serial |
1322 |
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Author |
Gill, J. |
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Title |
A new method for continuous recording of motor activity in horses |
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Journal Article |
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Year |
1991 |
Publication |
Comparative Biochemistry and Physiology. A, Comparative Physiology |
Abbreviated Journal |
Comp Biochem Physiol A |
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Volume |
99 |
Issue |
3 |
Pages |
333-341 |
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Keywords |
Animals; Circadian Rhythm; Female; Horses/*physiology; Monitoring, Physiologic/instrumentation/*veterinary; *Motor Activity; Signal Processing, Computer-Assisted |
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Abstract |
1. The use of an electronic recorder for the horse motor activity was described. 2. Examples of different types of motor activities are given in Figs 1-8. 3. The ultradian pattern of activity in all records was stressed. 4. The possibility of receiving of more physiological informations by this type of apparatus is discussed. |
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Department of Vertebrate Animal Physiology, University of Warsaw, Poland |
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English |
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ISSN |
0300-9629 |
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Notes |
PMID:1678331 |
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no |
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Call Number |
refbase @ user @ |
Serial |
1950 |
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Author |
Petherick, J.C.; Waddington, D.; Duncan, I.J.H. |
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Title |
Learning to gain access to a foraging and dustbathing substrate by domestic fowl: is `out of sight out of mind'? |
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Journal Article |
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Year |
1991 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
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Volume |
22 |
Issue |
3 |
Pages |
213-226 |
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Keywords |
Domestic fowl; Dustbathing; Welfare; Learning; Cognition |
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Abstract |
Domestic fowl were deprived of the opportunity to perform litter-related behaviour for three or four days and were tested in a Y-maze (which they had previously been trained to run) for their ability to associate a coloured cue with gaining access to peat. When the goal boxes were within sight of the choice point, most birds chose peat. However, when the birds had to rely solely on the coloured cue only one bird from 12 showed learning. However, the birds seemed to have some expectation of a reward, as they ran faster if, on the previous trial, they had chosen peat. The inability of the birds to learn the association may have been an artefact of the schedule of deprivation and testing, for when they were hungry and tested in the same way they were again unable to learn an association between the same coloured cue and food reward. The experiment with peat was repeated using “massed” trials (several trials in immediate succession) during training and testing and six from 15 birds showed learning. These results suggest that the initial failure to learn was probably due to the training and testing schedule, that access to peat appears to be rewarding and that hens can learn an association between an abstract cue and a rewarding consequence. This is consistent with the possibility that domestic fowls may have some cognitive representation of peat when it is out of sight. |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
3609 |
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Author |
Schulte, N.; Klingel, H. |
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Title |
Herd Structure, Leadership, Dominance and Site Attachment of the Camel, Camelus Dromedarius |
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Journal Article |
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Year |
1991 |
Publication |
Behaviour |
Abbreviated Journal |
Behaviour |
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Volume |
118 |
Issue |
1-2 |
Pages |
103-114 |
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Abstract |
Social structure and relationships in a herd of captive camels were studied in Kenya. During day and night the herd split up irrespective of kinship. Partner preferences existed only in those camels who had previously been kept in a small group separated from the herd. Dominance relationships are anonymous with four levels: a) dominant breeding bulls, b) females and bachelors, c) subadults, and d) calves. No stable leadership was observed, but individual preferences in the walking order existed when the camels left and entered the enclosure. During the night most camels showed an amazing attachment to a particular resting site; in a new boma they used corresponding sites. During moon nights activity was greatly increased. |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4683 |
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Author |
Dugatkin, L.A. |
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Title |
Dynamics of the TIT FOR TAT strategy during predator inspection in the guppy (Poecilia reticulata) |
Type |
Journal Article |
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Year |
1991 |
Publication |
Behavioral Ecology and Sociobiology |
Abbreviated Journal |
Behav. Ecol. Sociobiol. |
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Volume |
29 |
Issue |
2 |
Pages |
127-132 |
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Abstract |
One well-known solution to the iterated Prisoner's Dilemma is the TIT FOR TAT strategy. This strategy has three “characteristics” associated with it. TIT FOR TAT is nice (cooperates on the first move of a game), retaliatory (plays defect against an individual that defected on the prior move), and forgiving (cooperates with an individual which has defected in the past but cooperates in the present). Predator inspection behavior in guppies (Poecilia reticulata) was examined in order to determine whether guppies displayed these three characteristics. Results indicate that while it can be quite difficult to translate the abstract concepts of niceness, retaliation, and forgiveness into measurable behaviors, the data support the hypothesis that guppies display the three characteristics associated with the TIT FOR TAT strategy. |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2178 |
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Author |
Kirkpatrick, J.F.; Turner, J.W. |
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Title |
Changes in herd stallions among feral horse bands and the absence of forced copulation and induced abortion |
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Journal Article |
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Year |
1991 |
Publication |
Behavioral Ecology and Sociobiology |
Abbreviated Journal |
Behav. Ecol. Sociobiol. |
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Volume |
29 |
Issue |
3 |
Pages |
217-219 |
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Abstract |
Forced copulation and induced abortion were investigated in a herd of feral horses inhabiting a coastal barrier island. Eight mares were diagnosed pregnant in August and October 1989 by means of urinary and fecal steroid metabolites, prior to documented changes in herd stallions. These mares were observed for harassment and forced copulation by the new stallions and for the presence of foals during the spring and summer of 1990. No incidents of harassment or attempts at forced copulation were witnessed and seven of the eight mares produced foals in 1990. These data indicate that forced copulation and induced abortion are not common events among all feral horse herds and suggest reinvestigation of this hypothesized phenomenon. |
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Call Number |
Equine Behaviour @ team @ |
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2327 |
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Author |
Dugatkin, L.A.; Alfieri, M. |
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Title |
Guppies and the TIT FOR TAT strategy: preference based on past interaction |
Type |
Journal Article |
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Year |
1991 |
Publication |
Behavioral Ecology and Sociobiology |
Abbreviated Journal |
Behav. Ecol. Sociobiol. |
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Volume |
28 |
Issue |
4 |
Pages |
243-246 |
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Abstract |
The evolution of cooperation requires either (a) nonrandom interactions, such that cooperators preferentially interact with other cooperators, or (b) conditional behaviors, such that individuals act cooperatively primarily towards other cooperators. Although these conditions can be met without assuming sophisticated animal cognition, they are more likely to be met if animals can remember individuals with whom they have interacted, associate past interactions with these individuals, and base future behavior on this information. Here we show that guppies (Poecilia reticulata), in the context of predator inspection behavior, can identify and remember (for at least 4 h) the “more cooperative” among two conspecifics and subsequently choose to be near these individuals in future encounters. |
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Equine Behaviour @ team @ |
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3397 |
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Author |
Boyd, L.E. |
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Title |
The behaviour of Przewalski's horses and its importance to their management |
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Journal Article |
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Year |
1991 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
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Volume |
29 |
Issue |
1-4 |
Pages |
301-318 |
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Abstract |
Przewalski's horses (Equus przewalskii) are believed to be extinct in the wild; the current known population of 797 animals exists wholly in zoos. The Species Survival Commission of the International Union for Conservation of Nature and Natural Resources is proposing to reintroduce this endangered species into its former Mongogian habitat within the next decade. Knowledge of the behavior of harem-forming equids in general and of Przewalski's horses in particular, is of great importance to the captive propagation and eventual reintroduction of this species. Horses are rarely solitary by nature. Solitary captive animals are prone to pacing. Juvenile male feral horses (Equus caballus) form bachelor herds upon dispersal from their natal band. Zoos can set up bachelor herds as a way of managing surplus males. The older, more dominant feral horse bachelors are the first to acquire mares. Bachelors do not generally obtain females until they are 4 or 5 years of age. The first females acquired are usually 1- and 2-year-old fillies dispersing from their natal band. Because of the age differential, the stallions are generally dominant to their mares. Behavioral impotence may result if captive stallions are given a harem at too young an age, especially if the harem contains older, more dominant, females. Typical harem sizes in the wild are 3-5 mares. Captive stallions with too large a harem may become either apathetic or aggressive toward their mares. Wild horses spend 60-70% of their time foraging. Captive animals may quickly consume their limited amounts of food and develop vices out of boredom. Provision of hay ad libitum reduces the amount of pacing seen in captive animals, and virtually eliminates coprophagy. |
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Equine Behaviour @ team @ |
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2214 |
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