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Author Houpt, K.A.; Thornton, S.N.; Allen, W.R. openurl 
  Title Vasopressin in dehydrated and rehydrated ponies Type Journal Article
  Year 1989 Publication Physiology & behavior Abbreviated Journal Physiol. Behav.  
  Volume 45 Issue (down) 3 Pages 659-661  
  Keywords Animals; Behavior, Animal/*physiology; Dehydration/*blood; Drinking Behavior/*physiology; Female; Horses/*blood; Osmolar Concentration; Reaction Time; Time Factors; Vasopressins/*blood  
  Abstract Six pony mares deprived of water for 24 hours showed significant increases in plasma vasopressin (2.8 pg/ml) and osmolality (9 mosmol/kg). When water was made available the ponies drank rapidly (5 of 6 drank to satiety within 90 seconds) and corrected their fluid deficits precisely. Vasopressin did not return to predehydration levels until osmolality did after 15 minutes of access to water. The horse differs from rodents and humans, but is similar to pigs in that vasopressin levels do not fall before osmolality returns to normal. Oropharyngeal factors, therefore, may not be as important in vasopressin release in horses as in other species.  
  Address New York State College of Veterinary Medicine, Cornell University, Ithaca 14853-6401  
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  Language English Summary Language Original Title  
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  Series Volume Series Issue Edition  
  ISSN 0031-9384 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:2756059 Approved no  
  Call Number refbase @ user @ Serial 45  
Permanent link to this record
 

 
Author Crowell-Davis, S.L.; Caudle, A.B. url  doi
openurl 
  Title Coprophagy by foals: recognition of maternal feces Type Journal Article
  Year 1989 Publication Applied Animal Behaviour Science Abbreviated Journal Appl. Anim. Behav. Sci.  
  Volume 24 Issue (down) 3 Pages 267-272  
  Keywords  
  Abstract Six foals were each observed for 4 h per week during the first 6 weeks of life in an experimental situation in which they had access to feces taken from their mother and from another mare which was not pregnant or lactating. The foals sniffed at the feces equally. Two foals engaged in a total of seven bouts of coprophagy. All bouts of coprophagy involved maternal feces (χ2; P<0.01).  
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  Area Expedition Conference  
  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 2273  
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Author Kaplan, A.I.; Borodovskii, M.I. openurl 
  Title [Alternative animal behavior: a model and its statistical characteristics] Type Journal Article
  Year 1989 Publication Nauchnye Doklady Vysshei Shkoly. Biologicheskie Nauki Abbreviated Journal Nauchnye Doki Vyss Shkoly Biol Nauki  
  Volume Issue (down) 3 Pages 29-32  
  Keywords Animals; *Behavior, Animal; Cognition; Male; Mathematics; *Models, Biological; *Models, Statistical; Rats; Reinforcement (Psychology)  
  Abstract The rats' alternative behaviour in T-maze at simultaneous two-sided food refreshment in 13 trials a day during 6 days has been studied. It has been found that in the first testing days the indexes of alternative behaviour of animals correspond to the characteristics of the random alternation. However, on the 5-6th day of testing in the overwhelming majority of rats the true deviation of alternation index above or below than the theoretical values has been revealed. A question on the existence of two strategies of cognitive behaviour alteration and perseveration in rat population is under discussion.  
  Address  
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  Language Russian Summary Language Original Title Al'ternativnoe povedenie zhivotnykh: model' i statisticheskie kharakteristiki  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0470-4606 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:2742929 Approved no  
  Call Number Equine Behaviour @ team @ Serial 2799  
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Author Herder, S.L. openurl 
  Title 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 (down) 3 Pages 352  
  Keywords Animals; Gait; *Heart Rate; Horses; Humans; Terminology; *Wit and Humor  
  Abstract  
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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 Valone, T.J. openurl 
  Title Group foraging, public information, and patch estimation Type Journal Article
  Year 1989 Publication Oikos Abbreviated Journal Oikos  
  Volume 56 Issue (down) 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 De Waal, Frans B. M.; Luttrell, L.M. doi  openurl
  Title Toward a comparative socioecology of the genus Macaca: Different dominance styles in rhesus and stumptail monkeys Type Journal Article
  Year 1989 Publication American journal of primatology Abbreviated Journal Am. J. Primatol.  
  Volume 19 Issue (down) 2 Pages 83-109  
  Keywords  
  Abstract Captive studies can make a unique contribution to primate socioecology by documenting species-typical social dispositions under controlled conditions. Recent theories seek to connect the dominance relationships, group cohesiveness, and feeding ecology of primates. The present study explores the first two aspects by comparing the social organization of rhesus (Macaca mulatta) and stumptail monkeys (M. arctoides). Data were collected over a period of eight years, with five different methods, on three well-established captive groups in identical environments. The groups were found to share one characteristic: a clear-cut, linear formal dominance hierarchy as expressed in teeth-baring displays. The two main study groups (one of each species) differed significantly, however, with respect to nine of eleven behavioral measures. In addition to a previously reported higher frequency of reconciliation in the stumptail group, this group showed (1) more frequent but less severe aggressive behavior, (2) greater symmetry of contests, (3) greater social tolerance, (4) more nonagonistic approaches, and (5) more allogrooming. The differences can be summarized as a contrast in dominance style, with the stumptails having a more relaxed style and placing greater emphasis on social cohesion than the rhesus monkeys. An egalitarian attitude was also reflected in approach behavior: contacts in the rhesus group were mostly initiated by dominants, whereas contacts in the stumptail group were initiated independent of rank. Comparisons with a second rhesus group, and with published reports, suggest that while some of the observed differences are probably representative of the two species, considerable intraspecific variation does exist, and a more comprehensive program of comparative studies is needed.  
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  ISSN 1098-2345 ISBN Medium  
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  Notes Approved no  
  Call Number refbase @ user @ FransB.M.DeWaal1989 Serial 870  
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Author McHugh, C.P. openurl 
  Title Ecology of a semi-isolated population of adult Anopheles freeborni: abundance, trophic status, parity, survivorship, gonotrophic cycle length, and host selection Type Journal Article
  Year 1989 Publication The American Journal of Tropical Medicine and Hygiene Abbreviated Journal Am J Trop Med Hyg  
  Volume 41 Issue (down) 2 Pages 169-176  
  Keywords Aging/physiology; Animals; Anopheles/*physiology; Breeding; California; Cattle/parasitology; Dogs/parasitology; Ecology; Feeding Behavior/physiology; Female; Horses/parasitology; Host-Parasite Relations; Male; Parity; Population Density; Rabbits/parasitology  
  Abstract A population of adult Anopheles freeborni near Sheridan, CA was sampled daily during 13 August-7 September 1984. Data on abundance, trophic status, and gonotrophic age were recorded. Abundance and gonotrophic age data were analyzed to estimate daily survivorship and gonotrophic cycle length. Daily survivorship for unfed mosquitoes was estimated to be 0.72 with a gonotrophic cycle of 6 days duration. Daily survivorship for bloodfed mosquitoes was estimated to be 0.74 with a gonotrophic cycle of 4 days. The 2 day difference in gonotrophic cycles between unfed and bloodfed mosquitoes was the result of the period required for maturation and mating of teneral females. In 1986, an incage release of field-collected females estimated survivorship at 0.75 per day. Precipitin tests of 1,338 blood-engorged mosquito abdomens indicated that bovids, horses, rabbits, and canids comprised 92% of bloodmeals; no bloodmeals of human origin were detected.  
  Address Department of Entomology, University of California, Davis  
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  Language English Summary Language Original Title  
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  Series Volume Series Issue Edition  
  ISSN 0002-9637 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:2774063 Approved no  
  Call Number Equine Behaviour @ team @ Serial 2673  
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Author Fragaszy, D.M.; Visalberghi E. doi  openurl
  Title Social influences on the acquisition of tool-using behaviors in tufted capuchin monkeys (Cebus apella) Type Journal Article
  Year 1989 Publication Journal of Comparative Psychology Abbreviated Journal J. Comp. Psychol.  
  Volume 103 Issue (down) 2 Pages 159-170  
  Keywords  
  Abstract To identify behaviors related to acquisition of tool-use in tufted capuchins (Cebus apella), we presented two tool-using tasks to two groups, extending findings by Westergaard and Fragaszy (1987) and Visalberghi (in press). Five Ss learned to use the tools in each task. The primary predictor of success was level of interest in the task. Observation of others at the apparatus did not facilitate exploratory behaviors or contact with the tools in the observers. Most animals performed exploratory behaviors more often when they were at the apparatus alone than when with another, whether or not the other was using a tool. Observers were quick to learn the relationship between another's activities and the appearance of food. We conclude that capuchins do not readily learn about instrumental relations by observation of others or imitate other's acts. Imitation probably plays no role in the spread of novel instrumental behaviors among monkeys. (PsycINFO Database Record (c) 2010 APA, all rights reserved)  
  Address social influences, acquisition of tool using  
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  Area Expedition Conference  
  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 2993  
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Author Kondo, S.; Sekine, J.; Okubo, M.; Asahida, Y. doi  openurl
  Title The effect of group size and space allowance on the agonistic and spacing behavior of cattle Type Journal Article
  Year 1989 Publication Applied Animal Behaviour Science Abbreviated Journal Appl. Anim. Behav. Sci.  
  Volume 24 Issue (down) 2 Pages 127-135  
  Keywords  
  Abstract The number of agonistic encounters in a group (frequency per h) and the mean distance to the nearest neighbor in a group (m) were analyzed by a multiple regression on the group size (number of animals in a group) and space allowance (m3 per animal) in each group of calves (6–13 months old, Holstein female and castrated male) and adult cattle (2–12 years old, Holstein heifers and cows or Holstein and Hereford grazing beef cattle). A total of 196 calves and 602 adult animals were used in this analysis. In calves, a significant correlation was found between agonistic behavior and space allowance (r=-0.48, P<0.01), but not between agonistic behavior and group sizes. The mean distance to the nearest neighbor in calf groups increased as the group size decreased and space allowance increased (R2=0.66, P<0.01). In adult cattle, the number of agonistic encounters increased linearly as the group size increased (r=+0.37, P<0.05). The relationship between agonistic behavior and 1(space allowance)2 was significant (r=+0.48, P<0.05). The mean distance to the nearest neighbor tended to increase as the group size decreased and the space allowance increased (R2=0.68, P<0.01). When the space allowance increased beyond 360 m2 per animal, the average distance to the nearest neighbor in the adult group was maintained within the range of 10–12 m.  
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  Series Volume Series Issue Edition  
  ISSN 0168-1591 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 5473  
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Author Galef, B.G. url  doi
openurl 
  Title Enduring social enhancement of rats' preferences for the palatable and the piquant Type Journal Article
  Year 1989 Publication Appetite Abbreviated Journal Appetite  
  Volume 13 Issue (down) 2 Pages 81-92  
  Keywords  
  Abstract In three experiments on the social induction of food preferences in rats, I found: (a) that eight 30-min exposures of a naive “observer” rat to a “demonstrator” rat fed one of two approximately equipalatable diets produced observer preference for the diet fed to its demonstrator that lasted for more than a month, (b) that simple exposure of naive subjects to a diet itself, rather than to a rat that had eaten a diet, was not sufficient to enhance preference for that diet, and (c) that lasting preference for an unpalatable, piquant diet could also be established by exposing naive rats to demonstrators that had eaten the piquant diet, but not by simply exposure to the piquant diet itself. These findings are consistent with the hypothesis proposed by both Birch and Rozin that social-affective contexts are important in establishing stable, learned preferences for foods.  
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  Series Volume Series Issue Edition  
  ISSN 0195-6663 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 6567  
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