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Equine and Animal Cognition Reference Database

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Author Reichholf J, openurl 
  Title Funktion und evolution des Streifenmusters bei den zebras Type Journal Article
  Year 1984 Publication Abbreviated Journal Säugetierk Mitt  
  Volume 32 Issue Pages 89-95  
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  Notes from Professor Hans Klingels Equine Reference List Approved no  
  Call Number Serial 1504  
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Author SCHILDER MBH et al, openurl 
  Title A quantitative analysis of facial expressions in the plains zebra Type Journal Article
  Year 1984 Publication Zeitschrift für Tierpsychologie Abbreviated Journal Z. Tierpsychol.  
  Volume 66 Issue Pages 11-32  
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  Notes from Professor Hans Klingels Equine Reference List Approved no  
  Call Number Serial 1567  
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Author Vogt H, openurl 
  Title Quagga: DNA konserviert Type Journal Article
  Year 1984 Publication Abbreviated Journal Naturwiss Rdsch  
  Volume 37 Issue Pages 327-328  
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  Notes from Professor Hans Klingels Equine Reference List Approved no  
  Call Number Serial 1679  
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Author Ralston, S.L. openurl 
  Title Controls of feeding in horses Type Journal Article
  Year 1984 Publication Journal of Animal Science Abbreviated Journal J. Anim Sci.  
  Volume 59 Issue 5 Pages 1354-1361  
  Keywords Animal Feed; Animals; Digestive Physiology; Energy Metabolism; Feeding Behavior/*physiology; Food Preferences; Horses/*physiology; Oropharynx/physiology; Satiation/physiology; Smell; Taste  
  Abstract Members of the genus Equus are large, nonruminant herbivores. These animals utilize the products of both enzymatic digestion in the small intestine and bacterial fermentation (volatile fatty acids) in the cecum and large colon as sources of metabolizable energy. Equine animals rely primarily upon oropharyngeal and external stimuli to control the size and duration of an isolated meal. Meal frequency, however, is regulated by stimuli generated by the presence and (or) absorption of nutrients (sugars, fatty acids, protein) in both the large and small intestine plus metabolic cues reflecting body energy stores. The control of feeding in this species reflects its evolutionary development in an environment which selected for consumption of small, frequent meals of a variety of forages.  
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  ISSN 0021-8812 ISBN Medium  
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  Notes PMID:6392275 Approved no  
  Call Number refbase @ user @ Serial 1954  
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Author Kacelnik, A.; Houston, A.I. url  doi
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  Title Some effects of energy costs on foraging strategies Type Journal Article
  Year 1984 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.  
  Volume 32 Issue 2 Pages 609-614  
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  Abstract We consider the effect of including energy costs on the optimal strategy for animals exploiting a depleting food resource. In the context of central place foraging this leads to the problem of what load size should be brought back to the central place. Two strategies are discussed: (i) maximize gross rate of energy delivery and (ii) maximize net rate of energy delivery. The optimal load size (or optimal patch time) for net maximizers is not always larger than for gross maximizers, as has been claimed. Instead, the difference in optimal load size has the same sign as the difference between metabolic rates of travelling and foraging. We point out that the influence of costs has not always been correctly incorporated in experimental tests of the theory.  
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  Notes Approved no  
  Call Number Serial 2122  
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Author Wolff, P.R.; Powell, A.J. url  openurl
  Title Urine patterns in mice: An analysis of male/female counter-marking Type Journal Article
  Year 1984 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.  
  Volume 32 Issue 4 Pages 1185-1191  
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  Abstract Counter-marking in mice, Mus musculus was investigated by analysing urine deposition on filter paper marked asymmetrically with urine of the opposite sex. Intact males deposited large numbers of urine spots with a marked angular bias towards previously marked quadrants. More spots were deposited on proestrous and ovariectomized donor urine patterns, their distribution being more centrifugal on oestrous urine and more centripetal in quadrants containing a large female urine spot in a central position. In contrast, castrated male mice deposited very few spots with no angular bias. Female urine patterns showed angular bias in response to intact, but not castrated male donor urine, a larger number of spots being produced by oestrous females. Thus the pattern of deposition offers scope for two-way communication of information about reproductive potential.  
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  Notes Approved no  
  Call Number Serial 2144  
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Author Clark, T.B.; Peterson, B.V.; Whitcomb, R.F.; Henegar, R.B.; Hackett, K.J.; Tully, J.G. openurl 
  Title Spiroplasmas in the Tabanidae Type Journal Article
  Year 1984 Publication Israel Journal of Medical Sciences Abbreviated Journal Isr J Med Sci  
  Volume 20 Issue 10 Pages 1002-1005  
  Keywords Animals; Diptera/*microbiology/ultrastructure; Ecology; Female; Hemolymph/microbiology; Male; Maryland; North Carolina; Plants/microbiology; Spiroplasma/classification/*isolation & purification/physiology  
  Abstract Spiroplasmas were observed in seven species of the family Tabanidae (horse flies and deer flies). This is the fifth family of the order Diptera now known to harbor spiroplasmas. Noncultivable spiroplasmas were seen in the hemolymph of three species of the genus Tabanus, and cultivable forms were isolated from the guts of six species in three genera. Isolates from T. calens and T. sulcifrons were serologically similar and closely related to a spiroplasma in the lampyrid beetle, Ellychnia corrusca. These three isolates represent a new serogroup. Isolates from Hybomitra lasiophthalma were related to Group IV strains, while those from T. nigrovittatus and Chrysops sp. both represented new serogroups. At least some tabanids probably acquire spiroplasmas from contaminated flower surfaces. The possibility of vertebrate reservoirs for some tabanid spiroplasmas remains an open question.  
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  ISSN 0021-2180 ISBN Medium  
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  Notes PMID:6511308 Approved no  
  Call Number Equine Behaviour @ team @ Serial 2687  
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Author Barton, M.D.; Hughes, K.L. openurl 
  Title Ecology of Rhodococcus equi Type Journal Article
  Year 1984 Publication Veterinary Microbiology Abbreviated Journal Vet Microbiol  
  Volume 9 Issue 1 Pages 65-76  
  Keywords Actinomycetales/growth & development/immunology/*isolation & purification; Animal Husbandry; Animals; Antigens, Bacterial/immunology; Artiodactyla/*microbiology; Australia; Digestive System/microbiology; Ecology; Feces/*microbiology; Horses/*microbiology; Hypersensitivity, Delayed; Rabbits/microbiology; *Soil Microbiology  
  Abstract A selective broth enrichment technique was used to study the distribution of Rhodococcus equi in soil and grazing animals. Rhodococcus equi was isolated from 54% of soils examined and from the gut contents, rectal faeces and dung of all grazing herbivorous species examined. Rhodococcus equi was not isolated from the faeces or dung of penned animals which did not have access to grazing. The isolation rate from dung was much higher than from other samples and this was found to be due to the ability of R. equi to multiply more readily in dung. Delayed hypersensitivity tests were carried out on horses, sheep and cattle, but only horses reacted significantly. The physiological characteristics of R. equi and the nature of its distribution in the environment suggested that R. equi is a soil organism.  
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  ISSN 0378-1135 ISBN Medium  
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  Notes PMID:6719819 Approved no  
  Call Number Equine Behaviour @ team @ Serial 2688  
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Author McFarland, D.J. url  openurl
  Title Roger L. Mellgren, Editor, Animal Cognition and Behavior, North-Holland, Amsterdam (1983), p. xi Type Journal Article
  Year 1984 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.  
  Volume 32 Issue 2 Pages 634-635  
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  Call Number Equine Behaviour @ team @ Serial 2925  
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Author Anderson JR openurl 
  Title The development of self-recognition: a review Type Journal Article
  Year 1984 Publication Dev. Psychobiol. Abbreviated Journal  
  Volume 17 Issue Pages 35  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 2977  
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