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Author Spinka, M.; Duncan, I.J.H.; Widowski, T.M.
Title Do domestic pigs prefer short-term to medium-term confinement? Type Journal Article
Year 1998 Publication Applied Animal Behaviour Science Abbreviated Journal Appl. Anim. Behav. Sci.
Volume 58 Issue 3-4 Pages (up) 221-232
Keywords Cognition; Pig-housing; Preference tests
Abstract A preference test was used to demonstrate that gilts have the ability to associate two sets of neutral cues with two different periods of confinement and water deprivation and to anticipate the long-term consequences of their choice in the test. Twelve gilts housed in two large, straw-bedded pens were trained to go to two sets of 12 crates, positioned on each side of a choice point, for feeding twice a day. Following initial training, the two sets of crates were marked with contrasting visual patterns and the patterns were associated with either 30 min (`short' confinement) or 240 min (`long' confinement) of confinement in the crates after entry. During 16 days of preference testing, the gilts were sent alternately to one side or the other in the mornings and allowed to choose in the afternoons. Eight gilts chose the short confinement side more often, two, the long confinement side more often and two, each side an equal number of times, indicating that most gilts learned the association and preferred to be released shortly after feeding. However, gilts still chose the long confinement side on occasion, suggesting that they did not find 240 min of confinement very aversive. When the gilts were sent to the crates in the morning, their behaviour indicated that they expected to be released or confined depending on which crate they were in. The cognitive abilities of animals with respect to perception of time and anticipation of future events have important implications for their welfare. This study demonstrates that methods can be developed to ask animals about such things.
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Call Number Equine Behaviour @ team @ Serial 2910
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Author Smith, W.J.
Title Cognitive Implications of an Information-sharing Model of Animal Communication Type Book Chapter
Year 1998 Publication Animal Cognition in Nature Abbreviated Journal
Volume Issue Pages (up) 227-243
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Abstract Summary In social communication, one animal signals and another responds. Several cognitive steps are involved as the second animal selects its responses; these steps can be described as follows in terms of an informational model. First, the responding individual must evaluate the information made available by the signaling on the basis of other information, available from sources contextual to the signal. Second, the respondent must fit all of the relevant information into patterns generated from recall of past events (conscious recall is not generally required; pattern fitting is a fundamental skill). Third, conditional predictions must be made; and fourth, the individual must test and modify any of these predictions for which significant consequences exist. Many vertebrate animals appear to respond to signaling with considerable flexibility. Communicative events are thus complex but are by no means intractable. Indeed, communication provides us with excellent opportunities to investigate animal cognition.
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Publisher Academic Press Place of Publication London Editor Russell P. Balda; Irene M. Pepperberg; Alan C. Kamil
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ISSN ISBN 9780120770304 Medium
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Notes Approved no
Call Number Equine Behaviour @ team @ Serial 2914
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Author Connor, R.C.; Mann, J.; Tyack, P.L.; Whitehead, H.
Title Social evolution in toothed whales Type Journal Article
Year 1998 Publication Trends in Ecology & Evolution Abbreviated Journal Trends. Ecol. Evol
Volume 13 Issue 6 Pages (up) 228-232
Keywords odontocetes; toothed whales; social evolution; communication; bottlenose dolphins; sperm whales; long-term studies; foraging
Abstract Two contrasting results emerge from comparisons of the social systems of several odontocetes with terrestrial mammals. Researchers have identified remarkable convergence in prominent features of the social systems of odontocetes such as the sperm whale and bottlenose dolphin with a few well-known terrestrial mammals such as the elephant and chimpanzee. In contrast, studies on killer whales and Baird's beaked whale reveal novel social solutions to aquatic living. The combination of convergent and novel features in odontocete social systems promise a more general understanding of the ecological determinants of social systems in both terrestrial and aquatic habitats, as well as the relationship between relative brain size and social evolution.
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ISSN 0169-5347 ISBN Medium
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Notes Approved no
Call Number Equine Behaviour @ team @ Serial 4789
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Author Veissier, I.; Boissy, A.; Nowak, R.; Orgeur, P.; Poindron, P.
Title Ontogeny of social awareness in domestic herbivores Type Journal Article
Year 1998 Publication Applied Animal Behaviour Science Abbreviated Journal Appl. Anim. Behav. Sci.
Volume 57 Issue 3-4 Pages (up) 233-245
Keywords Animal; Environment; Relationship
Abstract It is now well established that domestic animals construct responses to their environment that depend on experience and on integration of several features of the environment, including social partners. This ability to be aware of the environment is not fully developed at birth but improves and varies through the animal's life. This topic is discussed on the basis of social processes in sheep and cattle. Social relationships of an animal with its conspecifics develop with age; they do not merely depend on pre-programmed behaviours but rely at least in part on learning of characteristics of the partners. Soon after birth, a strong preferential bond establishes with the dam then to a lesser extent, the young associates to other members of the flock, especially other young. The attractiveness of the group varies later in life due to external events or to physiological state: the abrupt separation from the dam at artificial weaning strengthens bonds between peers, whereas around parturition, females are less disturbed by isolation from the group. More recently, the awareness of social partners has been described in non-social contexts: the animal modifies its responses to events according to the presence of partners, and also to their emotional state and behaviour. The effects of partners seem to depend on their relationship with the animal and also on the social motivation of that animal, which both vary during its life. We recommend study of the ontogeny of awareness using the model of social influences.
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Call Number Equine Behaviour Team @ birgit.flauger @ Serial 4326
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Author Penn, D.; Potts, W.K.
Title Untrained mice discriminate MHC-determined odors Type Journal Article
Year 1998 Publication Physiology & Behavior Abbreviated Journal Physiol. Behav.
Volume 64 Issue 3 Pages (up) 235-243
Keywords Major histocompatibility complex; Pheromones; Olfaction; Kin recognition; Sexual selection
Abstract PENN, D. AND W. K. POTTS. Untrained mice distinguish MHC-determined odors. PHYSIOL BEHAV 64(3) 235-243, 1998.--Immune recognition occurs when foreign antigens are presented to T-lymphocytes by molecules encoded by the highly polymorphic genes of the major histocompatibility complex (MHC). House mice (Mus musculus) prefer to mate with individuals that have dissimilar MHC genes. Numerous studies indicate that mice recognize MHC identity through chemosensory cues; however, it is unclear whether odor is determined by classical, antigen-presenting MHC loci or closely linked genes. Previous studies have relied on training laboratory mice and rats to distinguish MHC-associated odors, but there are several reasons why training experiments may be inappropriate assays for testing if MHC genes affect odor. The aim of this study was to determine whether classical MHC genes affect individual odors and whether wild-derived mice can detect MHC-associated odors without training. In the first experiment, we found that wild-derived mice can be trained in a Y-maze to detect the odors of mice that differ genetically only in the MHC region. In the second and third experiments, we used a naturalistic habituation assay and found that wild-derived mice can, without training, distinguish the odors of mice that differ genetically only at one classical MHC locus (dm2 mutants).
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Call Number Equine Behaviour @ team @ Serial 4418
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Author McLaren I.P.L.
Title Animal Learning and Cognition: A neural network approach Type Journal Article
Year 1998 Publication Trends in Cognitive Sciences Abbreviated Journal Trends. Cognit. Sci.
Volume 2 Issue Pages (up) 236-236
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Call Number refbase @ user @ Serial 3464
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Author Lomas, C.A.; Piggins, D.; Phillips, C.J.C.
Title Visual awareness Type Journal Article
Year 1998 Publication Applied Animal Behaviour Science Abbreviated Journal Appl. Anim. Behav. Sci.
Volume 57 Issue 3-4 Pages (up) 247-257
Keywords Visual awareness; Colour vision; Rhythm
Abstract Awareness varies between different species and humans can never truly appreciate what it is like to be another individual, either of the same species or another. Visual perceptual faculties provide some evidence of the extent to which domesticated animals derive information from objects in their environment, whilst changes in behaviour resulting from different visual stimuli can also provide valuable information on the state of visual awareness. Extensive processing of potentially visual information must occur in all domesticated species, but is much less well understood than purely sensory based information. For example, sensory aspects of colour vision are reasonably well understood, but the role of wavelength variables in an animal's cognition and its colour experience is not clear. Considerable use is made of diurnal changes in photoperiod to synchronise endogenous rhythms to particular times of the day and the year. Variation in light intensity in natural images is also important for social reasons for animals to be able to discriminate between, e.g., different faces, but little is known about intensity preferences or the effects of intensity on behaviour. It appears likely that in many cases visual stimuli represent some of the most important influences on an animal's awareness, either alone or in combination with, e.g., olfactory cues. However, a much greater understanding of their processing is required before we can make useful deductions about visual awareness in domesticated animals.
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Call Number Equine Behaviour @ team @ Serial 4309
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Author Khalil, A.M.; Kaseda, Y.
Title Early experience affects developmental behaviour and timing of harem formation in Misaki horses Type Journal Article
Year 1998 Publication Applied Animal Behaviour Science Abbreviated Journal Appl. Anim. Behav. Sci.
Volume 59 Issue 4 Pages (up) 253-263
Keywords Feral horse; Young male; Social behavior; Developmental stage
Abstract A study was made of the behavior of young male Misaki feral horses in the developmental stage, by observing nine of them once a week from January 1988 to December 1996. The relationship between behavior before separation and in the developmental stage was also investigated. This stage begins just after young males separate from their natal band or mothers, and it continues until they start to form harems. The duration of the developmental stage in the study ranged from 0.6 to 3.9 years, depending on the age of the young males at the time of separation. Young males associated with three types of social groups at the beginning of the developmental stage, according to their social groups before separation. These were bachelor groups, harem groups and wandering female groups. During this period, males joined the three groups, mixed sex groups and sometimes were solitary. It was considered that these associations provided a good opportunity for males to acquire different behavioral patterns and experiences before they entered the next stage. Depending on the groups with which they associated, young males that spent more time with bachelor groups had the longest average developmental stage. They associated with harem groups more often during the breeding season and more frequently with other groups or were solitary during the non-breeding season. This may be a transition period because by the end of this stage all males had spent time in solitude before forming their own harem bands.
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Call Number Serial 2021
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Author Bürger, U.
Title The Way to perfect Horsemanship Type Book Whole
Year 1998 Publication Abbreviated Journal
Volume Issue Pages (up) 254
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Abstract The Way to Perfect Horsemanship is an outstanding work in the vast literature devoted to horsemanship. It provides, for the first time, a clear insight into the psychological makeup of the horse, its muscular system, the mechanics of its movement, and the aids to human-to-horse communication. Udo Burger presents his philosophy of riding in a scientific manner, asserting that no one can no more learn to ride without a knowledge of horse physiology and psychology than one can learn the art of medecine without a background in health and disease. He clearly explains what one should feel and do on horseback--ultimately, as if one is part of the horse, completely united with it in all of its movements. Anyone with a genuine empathy for horses--wether teacher, trainer, competitor, or occasional rider--will benefit enormously from reading this classic work on horsemanship. The late Udo Burger was an accomplished horseman and one of Germany's most esteemed equine veterinarians.
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Publisher Trafalgar Square Publishing Place of Publication Editor
Language English Summary Language Original Title
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ISSN ISBN 978-1570761294 Medium
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Notes 1st English cased ed edition (October 1, 1998) Approved no
Call Number Reiten Lesen Denken @ eberhardhuebener @ Serial 1594
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Author Sutton J.E.; Roberts W.A.
Title Do pigeons show incidental timing? Some experiments and a suggested hierarchical framework for the study of attention in animal cognition Type Journal Article
Year 1998 Publication Behavioural Processes Abbreviated Journal Behav. Process.
Volume 44 Issue Pages (up) 263-275
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Call Number refbase @ user @ Serial 3463
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