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Author Marino, L. doi  openurl
  Title Convergence of complex cognitive abilities in cetaceans and primates Type (up) Journal Article
  Year 2002 Publication Brain, Behavior and Evolution Abbreviated Journal Brain Behav Evol  
  Volume 59 Issue 1-2 Pages 21-32  
  Keywords Animal Communication; Animals; Brain/physiology; Cerebral Cortex/physiology; Cetacea/*physiology; Cognition/*physiology; *Evolution; Humans; Intelligence; Primates/*physiology  
  Abstract What examples of convergence in higher-level complex cognitive characteristics exist in the animal kingdom? In this paper I will provide evidence that convergent intelligence has occurred in two distantly related mammalian taxa. One of these is the order Cetacea (dolphins, whales and porpoises) and the other is our own order Primates, and in particular the suborder anthropoid primates (monkeys, apes, and humans). Despite a deep evolutionary divergence, adaptation to physically dissimilar environments, and very different neuroanatomical organization, some primates and cetaceans show striking convergence in social behavior, artificial 'language' comprehension, and self-recognition ability. Taken together, these findings have important implications for understanding the generality and specificity of those processes that underlie cognition in different species and the nature of the evolution of intelligence.  
  Address Neuroscience and Behavioral Biology Program, Emory University, Atlanta, Ga. 30322, USA. lmarino@emory.edu  
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  ISSN 0006-8977 ISBN Medium  
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  Notes PMID:12097858 Approved no  
  Call Number Equine Behaviour @ team @ Serial 4158  
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Author Griffin, B. openurl 
  Title The use of fecal markers to facilitate sample collection in group-housed cats Type (up) Journal Article
  Year 2002 Publication Contemporary Topics in Laboratory Animal Science / American Association for Laboratory Animal Science Abbreviated Journal Contemp Top Lab Anim Sci  
  Volume 41 Issue 2 Pages 51-56  
  Keywords Animals; Behavior, Animal; Biological Markers/*analysis; Cats/*physiology/psychology; Diet/veterinary; Feces/*chemistry; Food Coloring Agents/analysis; Housing, Animal; Individuality; Plastics/analysis; Specimen Handling/methods/*veterinary  
  Abstract The provision of proper social housing is a priority when designing an experiment using domestic cats as laboratory animals. When animals are group-housed, studies requiring analysis of stool samples from individual subjects pose difficulty in sample collection and identification. In this study, commercially available concentrated food colorings (known as bakers pastes) were used as fecal markers in group-housed cats. Cats readily consumed 0.5 ml of bakers paste food coloring once daily in canned cat food. Colorings served as fecal markers by imparting a distinct color to each cat s feces, allowing identification in the litter box. In addition, colored glitter (1/8 teaspoon in canned food) was fed to cats and found to be a reliable fecal marker. Long-term feeding of colorings and glitter was found to be safe and effective at yielding readily identifiable stools.  
  Address Scott-Ritchey Research Center, College of Veterinary Medicine, Auburn University, Alabama 36841, USA  
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  Language English Summary Language Original Title  
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  Series Volume Series Issue Edition  
  ISSN 1060-0558 ISBN Medium  
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  Notes PMID:11958604 Approved no  
  Call Number Equine Behaviour @ team @ Serial 4165  
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Author Giraldeau, Luc-Alain; Valone, Thomas, J.; Templeton, Jennifer, J. url  doi
openurl 
  Title Potential disadvantages of using socially acquired information Type (up) Journal Article
  Year 2002 Publication Philosophical Transactions of the Royal Society B: Biological Sciences Abbreviated Journal Phil. Trans. Biol. Sci.  
  Volume 357 Issue 1427 Pages 1559-1566  
  Keywords Public Information Informational Cascades Social Learning Sampling  
  Abstract The acquisition and use of socially acquired information is commonly assumed to be profitable. We challenge this assumption by exploring hypothetical scenarios where the use of such information either provides no benefit or can actually be costly. First, we show that the level of incompatibility between the acquisition of personal and socially acquired information will directly affect the extent to which the use of socially acquired information can be profitable. When these two sources of information cannot be acquired simultaneously, there may be no benefit to socially acquired information. Second, we assume that a solitary individual's behavioural decisions will be based on cues revealed by its own interactions with the environment. However, in many cases, for social animals the only socially acquired information available to individuals is the behavioural actions of others that expose their decisions, rather than the cues on which these decisions were based. We argue that in such a situation the use of socially acquired information can lead to informational cascades that sometimes result in sub-optimal behaviour. From this theory of informational cascades, we predict that when erroneous cascades are costly, individuals should pay attention only to socially generated cues and not behavioural decisions. We suggest three scenarios that might be examples of informational cascades in nature.  
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  Call Number Equine Behaviour @ team @ Serial 4197  
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Author Fisher, D.O.; Blomberg, S.P.; Owens, I.P.F. doi  openurl
  Title Convergent Maternal Care Strategies In Ungulates And Macropods Type (up) Journal Article
  Year 2002 Publication Evolution Abbreviated Journal  
  Volume 56 Issue 1 Pages 167-176  
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  Abstract Mammals show extensive interspecific variation in the form of maternal care. Among ungulates, there is a dichotomy between species in which offspring follow the mother (“following” strategy) versus species in which offspring remain concealed (“hiding” strategy). Here we reveal that the same dichotomy exists among macropods (kangaroos, wallabies and allies). We test three traditional adaptive explanations and one new life history hypothesis, and find very similar patterns among both ungulates and macropods. The three traditional explanations that we tested were that a “following” strategy is associated with (1) open habitat, (2) large mothers, and (3) gregariousness. Our new life-history hypothesis is that a “following strategy” is associated with delayed weaning, and thus with the “slow” end of the slow-fast mammalian life-history continuum, because offspring devote resources to locomotion rather than rapid growth. Our comparative test strongly supports the habitat structure hypothesis and provides some support for this new delayed weaning hypothesis for both ungulates and macropods. We propose that sedentary young in closed habitats benefit energetically by having milk brought to them. In open habitats, predation pressure will select against hiding. Followers will suffer slower growth to independence. Taken together, therefore, our results provide the first quantitative evidence that macropods and ungulates are convergent with respect to interspecific variation in maternal care strategy. In both clades, differences between species in the form of parental care are due to a similar interaction between habitat, social behavior, and life history. Corresponding Editor: B. Crespi  
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  Call Number Equine Behaviour @ team @ Serial 4252  
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Author Valone; Thomas J.; Templeton, Jennifer J. url  openurl
  Title Public information for the assessment of quality: a widespread social phenomenon Type (up) Journal Article
  Year 2002 Publication Philosophical Transactions of the Royal Society B: Biological Sciences Abbreviated Journal Phil. Trans. Biol. Sci.  
  Volume 357 Issue 1427 Pages 1549-1557  
  Keywords Breeding Patch Assessment Eavesdropping Fighting Mate Choice Copying Sociality Vicarious Sampling  
  Abstract We propose that the use of public information about the quality of environmental resources, obtained by monitoring the sampling behaviour of others, may be a widespread social phenomenon allowing individuals to make faster, more accurate assessments of their environment. To demonstrate this (i) we define public information and distinguish it from other kinds of social information; (ii) we review empirical work demonstrating the benefits and costs of using public information to estimate food patch quality; (iii) we examine recent work showing that individuals may also be using public information to improve their estimates of the quality of such disparate environmental parameters as breeding patches, opponents and mates; and finally (iv) we suggest avenues of future work to better understand the nature of public information use and when it might be used or ignored. Such work should lead to a more complete understanding of the behaviour of individuals in social aggregations.  
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  Call Number Equine Behaviour @ team @ Serial 4273  
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Author Edling, C.R. url  doi
openurl 
  Title Mathematics In Sociology Type (up) Journal Article
  Year 2002 Publication Annual Review of Sociology Abbreviated Journal  
  Volume 28 Issue 1 Pages 197-220  
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  Abstract Since mathematical sociology was firmly established in the 1960s, it has grown tremendously. Today it has an impressive scope and deals with topical problems of social structure and social change. A distinctive feature of today's use of mathematics in sociology is the movement toward a synthesis between process, structure, and action. In combination with an increased attention to social mechanisms and the problems of causality and temporality, this synthesis can add to its relevance for sociology in general. The article presents recent advances and major sociological research streams in contemporary sociology that involve the application of mathematics, logic, and computer modeling.  
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  Call Number Equine Behaviour @ team @ Edling2002 Serial 4292  
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Author BROUCEK,J.; UHRINCAT,M.; ARAVE,C. W.; FRIEND,T. H.; MIHINA,S.; KISAC,P.; HANUS, A. openurl 
  Title Effects of Rearing Methods of Heifers during Milk Replacement Period Type (up) Journal Article
  Year 2002 Publication Czech Journal of Animal Science Abbreviated Journal Czech J. Anim. Sci  
  Volume 71 Issue 4 Pages 509-516  
  Keywords Heifers, behaviour, maze, feeding, housing  
  Abstract Fifty-eight Holstein heifer calves were assigned to one out of three treatment groups after having nursed by their mothers for the first week: BN) individual hutch, bucket with nipple n=25; DF)loose housing pen, machine milk feeder, n=16; NC) loose housing pen, nursing cow, n=17. After weaning at 8 weeks, all calves were kept in group pens. At 15 weeks of age, the behaviour in the 6-unit maze (16.4 – 4.5 m) was determined. On the first observation day, the calves were tested five times (the first one for training); on the second day there were four runs. The calves had to solve two tasks. In task A, the passage was open on the left side, and on the right side (task B) on the next day. We were testing the following hypothesis: the speed of traversing the maze is affected by the rearing system. The slowest were NC calves. On the first day (task A), the average time to traverse the maze among treatments DF (43.9 s), BN (53 s) and NC (111.3 s) was different (F = 8.26*, P = 0.0007). On the second day (task B), the averages were: BN 77.1 s, DF 83.8 s and DC 166.6 s (F=8.17*, P = 0.0008). The results indicate that the feeding method and housing used to rear calves may have a significant impact on their maze behaviour.  
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  Call Number Equine Behaviour @ team @ Serial 4323  
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Author Williams, J.L.; Friend, T.H.; Toscano, M.J.; Collins, M.N.; Sisto-Burt, A.; Nevill, C.H. url  doi
openurl 
  Title The effects of early training sessions on the reactions of foals at 1, 2, and 3 months of age Type (up) Journal Article
  Year 2002 Publication Applied Animal Behaviour Science Abbreviated Journal Appl. Anim. Behav. Sci.  
  Volume 77 Issue 2 Pages 105-114  
  Keywords Equine; Imprint training; Imprinting; Learning; Training; Handling; Foal  
  Abstract An early training procedure commonly termed “foal imprint training” is widely promoted in the horse industry. However, there have been no published scientific investigations of its efficacy. This study determined the effects of a training procedure on foals and their reaction to stimuli used in the early training procedure, and to a novel stimulus, at 1, 2 and 3 months of age. Twenty-five foals received a standard training procedure at 2, 12, 24, and 48 h after birth. After the training procedure, the foals received minimal additional handling that included veterinary treatments and occasional relocation. Twenty-two foals born over the same time period served as controls. All 47 (25 trained, 22 control) foals were tested at 1 month of age. Only 20 were available for testing at 2 months of age, and nine were available at 3 months. Percentage change from baseline heart rate, time required to complete exposure to each stimulus (foals that were more reactive took longer) and the behavior of each foal during the introduction of each stimulus were recorded. Overall, the control foals tended to receive lower (better) behavioral scores at 1 and 2 months of age. Foals that underwent the training procedure tended to require less time to complete exposure to the stimulus and had lower heart rates during exposure to the stimuli at 1 and 2 months of age. By 3 months of age, there were no significant differences between trained and control foals for any measures. Early training was not efficacious in this study.  
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  Call Number Equine Behaviour @ team @ Serial 4331  
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Author Chamove, A.S.; Crawley-Hartrick, O.J.E.; Stafford, K.J. openurl 
  Title Horse reactions to human attitudes and behavior Type (up) Journal Article
  Year 2002 Publication Anthrozoos Abbreviated Journal  
  Volume 15 Issue 4 Pages 323-331  
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  Notes Cited By (since 1996): 4; Export Date: 21 October 2008 Approved no  
  Call Number Equine Behaviour @ team @ Serial 4514  
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Author Ginther, O.J.; Lara, A.; Leoni, M.; Bergfelt, D.R. openurl 
  Title Herding and snaking by the harem stallion in domestic herds Type (up) Journal Article
  Year 2002 Publication Theriogenology Abbreviated Journal  
  Volume 57 Issue 8 Pages 2139-2146  
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  Notes Cited By (since 1996): 1; Export Date: 21 October 2008 Approved no  
  Call Number Equine Behaviour @ team @ Serial 4516  
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