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Equine and Animal Cognition Reference Database

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Author Rubenstein, D.I.; Hohmann, M.E doi  openurl
  Title (down) Parasites and Social Behavior of Island Feral Horses Type Journal Article
  Year 1989 Publication Oikos Abbreviated Journal Oikos  
  Volume 3 Issue Pages 312-320  
  Keywords  
  Abstract The horses of Shackelford Banks, North Carolina, USA, are heavily parasitized by intestinal worms and harassed by dipterans, and although both types influence behavior only internal parasites affect bodily condition and the structuring of horse society. Thirteen species of internal parasites were identified, but only 4 of 13 groups contain them all and even within groups differences among individuals are large. Among individuals ova emissions vary ranging from 50 to 76,875 eggs per gram. The most important environmental factors influencing egg production are season and a group's location on the island, presumably because of salinity and soil differences and their effects on ova survival. Of the social and life history factors, age, and group size, but neither reproductive state nor dominance status are important. The fitness consequences of internal parasitism may be large since the number emitted is negatively correlated with next year's bodily condition. Biting fly burdens are also affected by a variety of environmental factors. In general, horses are covered with more flies on sunny days, when winds are moderately brisk, when occupying dunes, and around mid-day. In contrast to endoparasites, fly burden is affected by reproductive condition and dominance status and tends to decrease as groups increase in size. Since groups do not grow very large, nor do females attempt to bring groups together, the negative effects of endoparasites appear to overide those associated with ectoparasites. Consequently, endoparasites appear to exert a stronger influence on social structure, even though ectoparasites seem to play a stronger role in shaping details of behavior.  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 2360  
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Author Galdikas, B.M. openurl 
  Title (down) Orangutan tool use Type Journal Article
  Year 1989 Publication Science (New York, N.Y.) Abbreviated Journal Science  
  Volume 243 Issue 4888 Pages 152  
  Keywords Animals; Animals, Wild; *Behavior, Animal; Cognition; *Hominidae; Humans; *Pongo pygmaeus  
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  Language English Summary Language Original Title  
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  Series Volume Series Issue Edition  
  ISSN 0036-8075 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:2911726 Approved no  
  Call Number Equine Behaviour @ team @ Serial 2847  
Permanent link to this record
 
 
Author Klingel, H. openurl 
  Title (down) Odd-toed Ungulates, Horses Type Book Chapter
  Year 1989 Publication Grzimek's Encyclopedia of Mammals Abbreviated Journal  
  Volume 4 Issue Pages 550+557-594  
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  Corporate Author Thesis  
  Publisher Place of Publication McGraw Hill Editor Grzimek, B.  
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  Area Expedition Conference  
  Notes from Professor Hans Klingels Equine Reference List Approved yes  
  Call Number Serial 1320  
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Author Herder, S.L. openurl 
  Title (down) More cardiac dressage: galop, gallop, gal(l)opitty glop Type Journal Article
  Year 1989 Publication JAMA : the Journal of the American Medical Association Abbreviated Journal Jama  
  Volume 262 Issue 3 Pages 352  
  Keywords Animals; Gait; *Heart Rate; Horses; Humans; Terminology; *Wit and Humor  
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  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0098-7484 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:2739033 Approved no  
  Call Number Equine Behaviour @ team @ Serial 3757  
Permanent link to this record
 
 
Author Rubenstein, D.I openurl 
  Title (down) Life history and social organization in arid adapted ungulates Type Journal Article
  Year 1989 Publication Journal of Arid Environments Abbreviated Journal J. Arid. Environ.  
  Volume 17 Issue Pages 145-156  
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  Notes from Professor Hans Klingels Equine Reference List Approved yes  
  Call Number Serial 1527  
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Author Valone, T.J. openurl 
  Title (down) Group foraging, public information, and patch estimation Type Journal Article
  Year 1989 Publication Oikos Abbreviated Journal Oikos  
  Volume 56 Issue 3 Pages 357-363  
  Keywords Techniques; Mathematical techniques; Nutrition; Feeding behaviour; Behaviour; Social behaviour^, Comprehensive Zoology; Mathematical model; Resource patch estimation by group members; use of public information; Foraging; Group behaviour  
  Abstract Public information is information about the quality of a patch that can be obtained by observing the foraging success of other individuals in that patch. I examine the influence of the use of public information on patch departure and foraging efficiency of group members. When groups depart a patch with the first individual to leave, the use of public information can prevent the underutilization of resource patches.  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 4274  
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Author McCullough, P.; Nelder, J.A. isbn  openurl
  Title (down) Generalized linear models. Type Book Whole
  Year 1989 Publication Abbreviated Journal  
  Volume Issue Pages  
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  Abstract Book Description

The success of the first edition of Generalized Linear Models led to the updated Second Edition, which continues to provide a definitive unified, treatment of methods for the analysis of diverse types of data. Today, it remains popular for its clarity, richness of content and direct relevance to agricultural, biological, health, engineering, and other applications. The authors focus on examining the way a response variable depends on a combination of explanatory variables, treatment, and classification variables. They give particular emphasis to the important case where the dependence occurs through some unknown, linear combination of the explanatory variables. The Second Edition includes topics added to the core of the first edition, including conditional and marginal likelihood methods, estimating equations, and models for dispersion effects and components of dispersion. The discussion of other topics-log-linear and related models, log odds-ratio regression models, multinomial response models, inverse linear and related models, quasi-likelihood functions, and model checking-was expanded and incorporates significant revisions. Comprehension of the material requires simply a knowledge of matrix theory and the basic ideas of probability theory, but for the most part, the book is self-contained. Therefore, with its worked examples, plentiful exercises, and topics of direct use to researchers in many disciplines, Generalized Linear Models serves as ideal text, self-study guide, and reference.		  
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  Publisher Chapman & Hall Place of Publication New York Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition 2  
  ISSN ISBN 978-0412317606 Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 4370  
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Author Daniels, T.J.; Bekoff, M. doi  openurl
  Title (down) Feralization: The making of wild domestic animals Type Journal Article
  Year 1989 Publication Behavioural Processes Abbreviated Journal Behav. Process.  
  Volume 19 Issue 1-3 Pages 79-94  
  Keywords feralization; domestication; feral dogs  
  Abstract The widely accepted viewpoint that feralization is the reverse of domestication requires that the feralization process be restricted to populations of animals and, therefore, cannot occur in individuals. An alternative, ontogenetic approach is presented in which feralization is defined as the process by which individual domestic animals either become desocialized from humans, or never become socialized, and thus behave as untamed, non-domestic animals. Feralization will vary among species and, intraspecifically, will depend upon an individual's age and history of socialization to humans. Because feralization is not equated with morphological change resulting from evolutionary processes, species formation is not an accurate indicator of feral condition.  
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  Notes Cited By (since 1996): 5; Export Date: 24 October 2008 Approved no  
  Call Number Admin @ knut @ Serial 4580  
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Author Povinelli DJ openurl 
  Title (down) Failure to find self-recognition in Asian elephants (Elephas maximus) in contrast to their use of mirror cues to discover hidden food Type Journal Article
  Year 1989 Publication J. Comp. Psychol. Abbreviated Journal  
  Volume 103 Issue Pages 122  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 3026  
Permanent link to this record
 
 
Author Izraely, H.; Choshniak, I.; Shkolnik, A.; Stevens, C.E.; Demment, M.W. url  openurl
  Title (down) Factors determining the digestive efficiency of the domesticated donkey.(Equus Asinus Asinus ) Type Journal Article
  Year 1989 Publication Q J Exp Physiol Abbreviated Journal Q J Exp Physiol  
  Volume 74 Issue 1 Pages 1-6  
  Keywords  
  Abstract Factors determining the digestive efficiency of donkeys were studied in animals fed either a low quality roughage (wheat straw: 77{middle dot}1% neutral detergent fibre, 2{middle dot}8% crude protein) or a high quality forage (alfalfa hay: 47{middle dot}5% neutral detergent fibre, 22{middle dot}7% crude protein). The neutral detergent fibre (NDF) intake when fed wheat straw was 1693 {+/-} 268 g animal-1 day-1, 10% higher than when fed alfalfa hay. Digestive coefficient of NDF and acid detergent fibre (ADF) when fed wheat straw amounted to 50{middle dot}9 {+/-} 4{middle dot}9 and 42{middle dot}0 {+/-} 4{middle dot}1% respectively. NDF and ADF apparent digestibilities and mean retention times (37{middle dot}7 {+/-} 1{middle dot}7 and 36{middle dot}4 {+/-} 3{middle dot}2 h respectively) were not significantly different (P [rang] 0{middle dot}05) between the two diets. The donkey appears to digest cell wall constituents as efficiently as the Bedouin goat when on low quality roughage, but less efficiently when fed alfalfa hay. Its energy digestibility is, however, as high as that reported for the Bedouin goat. The donkey's high energy digestibility is related to its capacity to digest soluble food components more efficiently than the ruminant. The mean retention time in the donkey is shorter than in the Bedouin goat and is consistent with its capacity to compensate for a lower quality diet by increasing its intake rate. Recycling of urea in donkeys maintained on wheat straw amounted to 75{middle dot}5 {+/-} 13{middle dot}0% of the entry rate. A decrease in the rate of renal urea filtration, coupled with an increase in the fraction reabsorbed, increased the retention of nitrogenous waste and permitted recycling of nitrogen into the gut. N1 -  
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  Notes from Professor Hans Klingels Equine Reference List Approved yes  
  Call Number Serial 1216  
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