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Author Lisa Nash, H.; Song, G.K.; Price, E.O. doi  openurl
  Title Head partitions facilitate feeding by subordinate horses in the presence of dominant pen-mates Type Journal Article
  Year 1987 Publication Applied Animal Behaviour Science Abbreviated Journal Appl. Anim. Behav. Sci.  
  Volume 19 Issue 1-2 Pages (up) 179-182  
  Keywords  
  Abstract The purpose of the following study was to determine if head partitions would facilitate feeding by subordinate horses in the presence of dominant pen-mates. Six pairs of mares, each with established dominant-subordinate relationships, were allowed to compete for feed in a 112-cm trough following 24 h of deprivation. Time spent feeding by each mare in each pair was recorded with a wire-mesh partition, a solid plywood partition or no partition dividing the trough. Differences in feeding times between dominant and subordinate mares were greatest in the absence of a partition and least (P<0.05) with the wire barrier in place. Differences in feeding times with the solid plywood barrier were not significantly different from either of the other treatment conditions. It was concluded that head partitions on a trough facilitate feeding by subordinate horses in the presence of dominant pen-mates and thus provide a more equitable distribution of food resources.  
  Address  
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  Publisher Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0168-1591 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 5411  
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Author Drevemo, S.; Fredricson, I.; Hjertén, G.; McMIKEN, D. url  doi
openurl 
  Title Early development of gait asymmetries in trotting Standardbred colts Type Journal Article
  Year 1987 Publication Equine Veterinary Journal Abbreviated Journal Equine. Vet. J.  
  Volume 19 Issue 3 Pages (up) 189-191  
  Keywords  
  Abstract Summary Ten trotting Standardbred colts were recorded by high-speed cinematography at the ages of eight, 12 and 18 months. The horses were trotting on a treadmill operating at 4.0 m/secs. Five horses were subjected to a programme of intensified training from eight months of age, whereas the others were not trained and acted as controls. The films were analysed on a semi-automatic film-reading equipment and a number of variables used to demonstrate the gait symmetry were calculated and scaled by computer. Certain differences between left and right diagonal and contralateral pair of limbs, respectively, were noted, suggesting that laterality in horses may be inherited. The most pronounced systematic differences were found in 18-month old horses in the trained group. The results show the importance of careful gait examination and comprehensive coordination training at an early age.  
  Address  
  Corporate Author Thesis  
  Publisher American Medical Association (AMA) Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0425-1644 ISBN Medium  
  Area Expedition Conference  
  Notes https://doi.org/10.1111/j.2042-3306.1987.tb01373.x Approved no  
  Call Number Equine Behaviour @ team @ Serial 6702  
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Author Crowell-Davis, S.L. url  doi
openurl 
  Title Self-grooming by mares and foals of the Welsh pony (Equus caballus) Type Journal Article
  Year 1987 Publication Applied Animal Behaviour Science Abbreviated Journal Appl. Anim. Behav. Sci.  
  Volume 17 Issue 3-4 Pages (up) 197-208  
  Keywords  
  Abstract Self-grooming behaviour of 15 mare-foal pairs was studied weekly for the first 24 weeks of the foal's life. Mares self-groomed at mean rates of 1.2-2.2 times h-1 depending on the 4-week period. Foals self-groomed more often, with a peak rate of 12.3 times h-1 occurring during Week 5-8 and a subsequent decline to 6.0 times h-1 by Weeks 21-24. Self-grooming bouts of mares and foals also differed in the proportion devoted to each type of self-grooming. During a greater proportion of their total self-grooming bouts, foals scratched their head and neck with a hind limb or bit and scratched the trunk or hind limbs with the teeth. The mares spent a greater proportion of their self-grooming bouts rubbing their head or neck on an inanimate object, another pony, or their fore limb, or rolling on the ground. Particular types of individual self-grooming bouts were engaged in for different lengths of time. Foals had longer bouts of scratching the head and neck with a hind limb, scratching or biting the fore limb or hind limb with the teeth, and rubbing the head and neck on an inanimate object, while mares had longer bouts of rolling. Some of the differences in preference for particular types of self-grooming may be the result of differences in relative size of various body parts and, consequently, relative ease of a given type of self-grooming.  
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  Area Expedition Conference  
  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 2275  
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Author Berger, J.; Cunningham, C. doi  openurl
  Title Influence of Familiarity on Frequency of Inbreeding in Wild Horses Type Journal Article
  Year 1987 Publication Evolution Abbreviated Journal Evolution  
  Volume 41 Issue Pages (up) 229-231  
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  Area Expedition Conference  
  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 2232  
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Author Takai, S.; Fujimori, T.; Katsuzaki, K.; Tsubaki, S. openurl 
  Title Ecology of Rhodococcus equi in horses and their environment on horse-breeding farms Type Journal Article
  Year 1987 Publication Veterinary Microbiology Abbreviated Journal Vet Microbiol  
  Volume 14 Issue 3 Pages (up) 233-239  
  Keywords Actinomycetales Infections/*veterinary; Animals; Animals, Newborn/*microbiology; *Environmental Microbiology; Feces/microbiology; Female; Horse Diseases/*microbiology; Horses/*microbiology; Rhodococcus/*isolation & purification  
  Abstract Quantitative culture of R. equi in the feces of dams and foals, in the air of the stalls and in the soil of the paddocks was carried out on three horse-breeding farms during the foaling season. The isolation rates of R. equi from the feces of dams from the 3 farms suddenly increased to approximately 80% at the end of March, when the snow in the paddocks finished melting, and remained at that level during April and May. The mean number of R. equi and the isolation rate of R. equi from the feces of dams on the farms were investigated for 5 weeks before and 5 weeks after delivery. During the 10 weeks, there were no differences in the isolation rate or in the mean number of R. equi from the feces of dams. R. equi was first isolated from the feces of the foals born in February and the middle of March at 3-4 weeks of age, on the other hand, it was first isolated from the feces of foals born in the end of March and April at 1-2 weeks of age. The number of R. equi in the soil collected from the paddocks used by dams during the winter was approximately 10(2)-10(4) g-1 of soil during the experiment. R. equi was isolated from the air in the stalls at the end of March and the number of R. equi in the air increased particularly on dry and windy days.(ABSTRACT TRUNCATED AT 250 WORDS)  
  Address Department of Animal Hygiene, School of Veterinary Medicine and Animal Science, Kitasato University, Aomori, Japan  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0378-1135 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:3672865 Approved no  
  Call Number Equine Behaviour @ team @ Serial 2679  
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Author Hughes, K.L.; Sulaiman, I. openurl 
  Title The ecology of Rhodococcus equi and physicochemical influences on growth Type Journal Article
  Year 1987 Publication Veterinary Microbiology Abbreviated Journal Vet Microbiol  
  Volume 14 Issue 3 Pages (up) 241-250  
  Keywords Animals; Feces/microbiology; Horses; Hydrogen-Ion Concentration; Rhodococcus/*growth & development; *Soil Microbiology; Temperature  
  Abstract Growth of Rhodococcus equi was studied in vitro. Optimal growth occurred under aerobic conditions between pH 7.0 and 8.5, at 30 degrees C. R. equi survived better in a neutral soil (pH 7.3) than it did in two acid soils (pH less than 5.5). It grew substantially better in soils enriched with faeces than in soils alone. Simple organic acids in horse dung, especially acetate and propionate, appear to be important in supporting growth of R. equi in the environment. The ecology of R. equi can be best explained by an environmental cycle allowing its proliferation in dung, influenced by management, grazing behaviour and prevailing climatic conditions. Preventive measures should be aimed at reducing or avoiding focal areas of faecal contamination in the environment.  
  Address School of Veterinary Science, University of Melbourne, Parkville, Vic., Australia  
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  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0378-1135 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:3672866 Approved no  
  Call Number Equine Behaviour @ team @ Serial 2678  
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Author Hunte, W.; Horrocks, J.A. url  doi
openurl 
  Title Kin and non-kin interventions in the aggressive disputes of vervet monkeys Type Journal Article
  Year 1987 Publication Behav. Ecol. Sociobiol. Abbreviated Journal  
  Volume 20 Issue Pages (up) 257-263  
  Keywords  
  Abstract Interventions in aggressive disputes were investigated in a free-living troop of vervets (Cercopithecus aethiops sabaeus) in Barbados. Interventions on behalf of kin were more frequent than on behalf of non-kin. Both types of interventions were more likely when the intervening animal outranked the opponent; presumably because retaliation probability, and hence cost of intervening, is low against low ranking opponents. The number of interventions given on behalf of both kin and non-kin increased with the number of disputes in which they were involved. In contrast to kin interventions, the number of interventions given on behalf of non-kin was correlated with that received by non-kin, suggesting that reciprocation is a necessary component of non-kin interventions. Non-kin interventions were more likely when the recipient outranked the opponent, presumably because reciprocation probability is high. Pairs of non-kin form structured reciprocal relationships based on the proportion of interventions allocated to each other, and most non-kin interventions flowed through these relationships. Males intervened on behalf of non-kin more frequently than did females. The implications of the results for the evolution of kin and reciprocal altruism were discussed.  
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  Notes 10.1007/Bf00292178 Approved no  
  Call Number Equine Behaviour @ team @ Serial 4927  
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Author DOBRORUKA LJ et al, openurl 
  Title An analysis of the population of Grevy's zebra Type Journal Article
  Year 1987 Publication Abbreviated Journal Int Zoo Yb  
  Volume 26 Issue Pages (up) 290-293  
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  Notes from Professor Hans Klingels Equine Reference List Approved no  
  Call Number Serial 1018  
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Author Pusey, A.E. url  doi
openurl 
  Title Sex-biased dispersal and inbreeding avoidance in birds and mammals Type Journal Article
  Year 1987 Publication Trends in Ecology & Evolution Abbreviated Journal Trends. Ecol. Evol  
  Volume 2 Issue 10 Pages (up) 295-299  
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  Abstract Sex differences in dispersal distance are widespread in birds and mammals, but the predominantly dispersing sex differs consistently between the classes. There has been persistent debate over the relative importance of two factors -- intrasexual competition and inbreeding avoidance -- in producing sex-biased dispersal, and over the sources of the difference in dispersal patterns between the two classes. Recent studies cast new light on these questions.  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0169-5347 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 5326  
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Author Gouzoules, S.; Gouzoules, H. openurl 
  Title Kinship Type Book Chapter
  Year 1987 Publication Primate societies Abbreviated Journal  
  Volume Issue Pages (up) 299-305  
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  Publisher University of Chicago Press Place of Publication Chicago Editor Smuts, B. B.; Cheney, D. L.; Seyfarth, R. M.; Wrangham, R. W.; Struhsaker T. T  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 5430  
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