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Author Sugiyama Y; Koman J; Bhoye Show M openurl 
  Title Ant-catching wands of wild chimpanzees at Bossou, Guinea Type (up) Journal Article
  Year 1988 Publication Folia Primatol. Abbreviated Journal  
  Volume 51 Issue Pages 56  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 3042  
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Author Wimmer H; Hogrefe GJ; Perner J openurl 
  Title Children's understanding of informational access as a source of knowledge Type (up) Journal Article
  Year 1988 Publication Child Dev. Abbreviated Journal  
  Volume 59 Issue Pages 386  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 3050  
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Author Steinhoff, H.J. openurl 
  Title A continuous wave laser T-jump apparatus and its application to chemical reactions in hemoglobin single crystals Type (up) Journal Article
  Year 1988 Publication Journal of Biochemical and Biophysical Methods Abbreviated Journal J Biochem Biophys Methods  
  Volume 15 Issue 6 Pages 319-330  
  Keywords Animals; Chemistry; Crystallization; *Heat; *Hemoglobins; Horses/blood; *Lasers; Methemoglobin; Solutions; Thermodynamics; Thiocyanates  
  Abstract A laser temperature jump apparatus is constructed where the T-jump is achieved by means of the direct absorption of continuous laser radiation of low intensity by a solid sample. The final temperature in the irradiated volume element is reached when the absorbed radiation power equals the dissipation of heat by heat conduction. The time range from the beginning of irradiation to the stationary state depends on the geometry of the irradiated volume element and is less than 10 ms. The heating laser beam is simultaneously used to detect the relaxation to the new chemical equilibrium in the sample. Relaxation processes with relaxation rates between 10(2) s-1 and less than 10(-3) s-1 on samples with volumes less than 10(-3) mm3 may be investigated using this T-jump method. One application of this method is the determination of reaction rates of ligand reactions in hemoglobin single crystals. Rate constants obtained for the reaction of thiocyanate with crystallized horse methemoglobin are presented.  
  Address Institut fur Biophysik, Ruhr-Universitat Bochum, F.R.G  
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  Series Volume Series Issue Edition  
  ISSN 0165-022X ISBN Medium  
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  Notes PMID:3379245 Approved no  
  Call Number Equine Behaviour @ team @ Serial 3804  
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Author Rogers, A.R. url  doi
openurl 
  Title Does Biology Constrain Culture? Type (up) Journal Article
  Year 1988 Publication American Anthropologist Abbreviated Journal Am Anthropol  
  Volume 90 Issue 4 Pages 819-831  
  Keywords models, learning, evolution, culture, fitness, adaptive, environment, human, natural selection, behavior  
  Abstract Most social scientists would agree that the capacity for human culture was probably fashioned by natural selection, but they disagree about the implications of this supposition. Some believe that natural selection imposes important constraints on the ways in which culture can vary, while others believe that any such constraints must be negligible. This article employs a “thought experiment” to demonstrate that neither of these positions can be justified by appeal to general properties of culture or of evolution. Natural selection can produce mechanisms of cultural transmission that are neither adaptive nor consistent with the predictions of acultural evolutionary models (those ignoring cultural evolution). On the other hand, natural selection can also produce mechanisms of cultural transmission that are highly consistent with acultural models. Thus, neither side of the sociobiology debate is justified in dismissing the arguments of the other. Natural selection may impose significant constraints on some human behaviors, but negligible constraints on others. Models of simultaneous genetic/cultural evolution will be useful in identifying domains in which acultural evolutionary models are, and are not, likely to be useful.  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ citeulike:907484 Serial 4199  
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Author Mackintosh, N.J. openurl 
  Title Approaches to the study of animal intelligence Type (up) Journal Article
  Year 1988 Publication British Journal of Psychology Abbreviated Journal  
  Volume 79 Issue Pages 509-525  
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  Notes Cited By (since 1996): 17; Export Date: 24 October 2008 Approved no  
  Call Number Admin @ knut @ Serial 4607  
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Author Huff, A.N. url  doi
openurl 
  Title Winter Manegement Type (up) Journal Article
  Year 1988 Publication Journal of Equine Veterinary Science Abbreviated Journal  
  Volume 8 Issue 1 Pages 81-81  
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  Call Number Equine Behaviour @ team @ Serial 4668  
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Author Huff, A.N. url  doi
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  Title Safety Type (up) Journal Article
  Year 1988 Publication Journal of Equine Veterinary Science Abbreviated Journal  
  Volume 8 Issue 1 Pages 81-81  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 4669  
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Author Bednarz, J.C. url  doi
openurl 
  Title Cooperative Hunting Harris' Hawks (Parabuteo unicinctus) Type (up) Journal Article
  Year 1988 Publication Science Abbreviated Journal Science  
  Volume 239 Issue 4847 Pages 1525-1527  
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  Abstract Coordinated hunting by several individuals directed toward the capture and sharing of one Large prey animal has been documented convincingly only for a few mammalian carnivores. In New Mexico, Harris' hawks formed hunting parties of two to six individuals in the nonbreeding season. This behavior improved capture success and the average energy available per individual enabled hawks to dispatch prey larger than themselves. These patterns suggest that cooperation is important to understanding the evolution of complex social behavior in higher vertebrates and, specifically, that benefits derived from team hunting a key factor in the social living of Harris' hawks.  
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  Notes 10.1126/science.239.4847.1525 Approved no  
  Call Number Equine Behaviour @ team @ Serial 4717  
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Author McCann, J.S.; Heird, J.C.; Bell, R.W.; Lutherer, L.O. url  doi
openurl 
  Title Normal and more highly reactive horses. II. The effect of handling and reserpine on the cardiac response to stimuli Type (up) Journal Article
  Year 1988 Publication Applied Animal Behaviour Science Abbreviated Journal Appl. Anim. Behav. Sci.  
  Volume 19 Issue 3-4 Pages 215-226  
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  Abstract A split-plot experiment evaluated the effect of handling and reserpine on the autonomic heart-rate response of yearling horses to various stimuli. The emotionality levels of 32 Quarter-Horse yearlings were rated by 4 experienced horsemen on a scale from 1 to 4 (1 = most nervous and erratic disposition; 4=quiet disposition). The yearlings were subsequently classified and penned based on their emotionality level; normal or nervous. Within each emotionality group, one-half the yearlings were handled daily for 14 days and the other one-half remained free in the pens. Following the handling treatment, every yearling was individually exposed to a series of stimuli, while the heart rate was monitored via a radio-telemetry system. A second treatment, reserpine, was subsequently given intramuscularly (0.005 mg/kg body weight) to one-half the yearlings of each treatment combination of emotionality and handling. The heart rate of the yearlings to the same series of stimuli previously employed was determined at 24 and 120 h and 16 days following the reserpine injection. Summarizing the results, the handled yearlings tended to exhibit lower heart rates with the handling stimulus, but the heart rate with a more novel stimulus was not affected by the previous handling treatment. Reserpine tended to suppress the heart rate of the unhandled group during the presence of a handler, but the permanency of this effect was not evident 16 days after the drug was administered. The reserpine-treated groups tended to exhibit the lowest heart-rate response to stimuli during the 120-h test-day following the administration of the drug. Heart-rate responses to the stimuli were not different between the normal and nervous yearlings.  
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  ISSN 0168-1591 ISBN Medium  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 4817  
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Author McCann, J.S.; Heird, J.C.; Bell, R.W.; Lutherer, L.O. url  doi
openurl 
  Title Normal and more highly reactive horses. I. Heart rate, respiration rate and behavioral observations Type (up) Journal Article
  Year 1988 Publication Applied Animal Behaviour Science Abbreviated Journal Appl. Anim. Behav. Sci.  
  Volume 19 Issue 3-4 Pages 201-214  
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  Abstract Thirty-two Quarter horse yearlings were utilized in a split-plot experiment to establish behavioral tendencies for two levels of emotionality; normal and a more highly reactive level of emotionality termed nervous. Four observers who were experienced with horses scored the yearlings on an emotionality scale from 1 to 4, with 1 representing the highly nervous yearlings and 4 representing the quiet yearlings. Emotionality evaluations were based upon the response of the yearlings to a standard regimen of standing in a chute, being identified and being released from the chute. The inter-rater reliability coefficients were 0.90 for the normal yearlings and 0.65 for the nervous yearlings, indicating that the raters agreed less when evaluating the nervous yearlings. Yearling heart rates in the chute were correlated (r = -0.54, P<0.002) with the average emotionality score. Observational data on behavior collected 2 days following the emotionality scoring procedure indicated that the normal yearlings maintained a greater (P<0.001) individual distance than the nervous yearlings. From an activity summary, the normal yearlings spent 10.9% of the time lying down (LD), 79.1% standing (S), 9.6% walking or trotting (WT) and 0.4% of the time cantering or galloping (CG). The nervous yearlings spent 5.7% of the observational periods LD, 79.2% S, 11.7% WT and 3.4% CG. The nervous yearlings tended to have a higher overall activity index level than did the normal yearlings. Results indicate horses of different emotionality levels exhibited different behavioral patterns.  
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  ISSN 0168-1591 ISBN Medium  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 4818  
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