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Author Alexander, F. openurl 
  Title The effect of some anti-diarrhoeal drugs on intestinal transit and faecal excretion of water and electrolytes in the horse Type Journal Article
  Year 1978 Publication Equine veterinary journal Abbreviated Journal Equine Vet J  
  Volume 10 Issue 4 Pages 229-234  
  Keywords Animals; Antidiarrheals/*pharmacology; Atropine/pharmacology; Electrolytes/*analysis/urine; Feces/*analysis; Gastrointestinal Motility/*drug effects; Horses/*metabolism/physiology; Loperamide/pharmacology; Male; Meperidine/pharmacology; Morphine/pharmacology; Opium/pharmacology; Water/*analysis  
  Abstract The effect of morphine, Tinct. opii, loperamide, pethidine and atropine on intestinal transit and the faecal and urinary excretion of water and electrolytes was studied in ponies. The rate of passage of a particulate marker was slowed by morphine, hastened then slowed by loperamide and Tinct. opii, and hastened by atropine. The liquid marker was slowed by Tinct. opii and hastened then slowed by the other drugs. Only loperamide decreased the faecal sodium excretion. This drug also decreased faecal water and weight; it appeared worthy of clinical trial in diarrhoea. Tinct. opii decreased by morphine, pethidine and atropine increased faecal water.  
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  ISSN 0425-1644 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:738263 Approved no  
  Call Number refbase @ user @ Serial 110  
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Author Kraus-Hansen, A.E.; Fackelman, G.E.; Becker, C.; Williams, R.M.; Pipers, F.S. openurl 
  Title Preliminary studies on the vascular anatomy of the equine superficial digital flexor tendon Type Journal Article
  Year 1992 Publication Equine veterinary journal Abbreviated Journal Equine Vet J  
  Volume 24 Issue 1 Pages 46-51  
  Keywords Angiography/veterinary; Animals; Exercise Test/veterinary; Forelimb; Horses/*anatomy & histology/surgery; Microcirculation; Microscopy, Electron, Scanning; Tendons/*blood supply/surgery/ultrastructure  
  Abstract The vascular and microvascular anatomy of normal equine superficial digital flexor tendons was studied by dissection of vinyl-perfused specimens and by microangiography on high detail film. The presence of an extensive intratendinous vascular latticework was confirmed, and a 'nutrient artery' described closely associated with the accessory ligament of the superficial digital flexor tendon (proximal check ligament). Circumferential stripping of the paratenon from the tendon to eliminate afferent vessels was performed bilaterally in three horses and unilaterally in a fourth, followed by a treadmill training regimen. No resulting intratendinous lesions could be documented on gross post mortem and histological examination at three, 10, or 35 days post operatively. There was mild paratendinous proliferation in all instances. In one horse, four intratendinous ligatures were placed within the medial and lateral borders of the contralateral tendon to isolate further from its blood supply a 10 cm segment. Gross lesions at 35 days post operatively included a marked paratendinous response involving the entire 10 cm segment, and a darkened, soft focus within the core of the tendon. Histopathology and electron microscopy demonstrated focal degeneration. It was concluded that the blood supply of the normal equine superficial digital flexor tendon is primarily intratendinous, rather than paratendinous as previously thought. The lesions in one horse similar to those in naturally occurring tendinitis supported a vascular aetiology of the disease, and set the groundwork for studies aimed at the development of a clinically relevant tendinitis model.  
  Address Department of Surgery, Tufts University School of Veterinary Medicine, North Grafton, Massachusetts 01536  
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  ISSN 0425-1644 ISBN Medium  
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  Notes PMID:1555540 Approved no  
  Call Number refbase @ user @ Serial 151  
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Author Linklater, W.L.; Henderson, K.M.; Cameron, E.Z.; Stafford, K.J.; Minot, E.O. openurl 
  Title The robustness of faecal steroid determination for pregnancy testing Kaimanawa feral mares under field conditions Type Journal Article
  Year 2000 Publication New Zealand veterinary journal Abbreviated Journal N Z Vet J  
  Volume 48 Issue 4 Pages 93-98  
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  Abstract AIMS: To investigate the utility of faecal oestrone sulphate (OS) concentrations for detecting pregnancy in mares during behavioural studies of feral horses, in which the collection and preservation of samples is not immediate. METHODS: Oestrone sulphate concentrations were measured in fresh dung samples collected from 153 free-roaming Kaimanawa mares throughout the year. In addition, multiple samples were taken from the same pile to investigate the reliability of diagnosis from a single sample, as well as the influence of time until preservation on OS concentrations. Samples were also taken before and after a 10mm simulated rainfall event to test for dilution of OS concentrations by rain. Oestrone sulphate concentrations in all samples were measured using an enzyme immunoassay. RESULTS: From approximately 150 to 250 days of gestation, OS concentrations were consistently >80 ng/g in mares which subsequently foaled. Mares which did not foal and had low faecal OS concentrations in multiple samples throughout the year had faecal OS concentrations of 31+/-13 ng/g (mean+/-s.d.) with an upper 95% confidence limit of 57 ng/g. Mares sampled from 1 week before to 1 month after behavioural oestrus, and that did not foal in the previous and subsequent seasons, had OS concentrations of 37+/-32 ng/g (mean+/-s.d.) with an upper 95% confidence limit of 100 ng/g. The standard error of oestrone sulphate concentrations in multiple samples from the same dung pile ranged from 1 to 37% of the mean. This large within-pile variation, however, did not result in incorrect diagnoses from single samples unless mares were within 18 days of parturition. Keeping samples at ambient temperatures for up to 16 hours did not affect OS concentrations. Simulated rainfall caused a 17% mean reduction in OS concentrations, but did not change pregnancy diagnoses. CONCLUSIONS: Faecal OS concentrations >100 ng/g were indicative of pregnancy in Kaimanawa mares. For mares more than 150 days post-mating, OS concentrations <57 ng/g were indicative of non-pregnancy, while concentrations between 57 and 100 ng/g provided an inconclusive diagnosis. A single sample from each dung pile collected within 16 hours of defecation was sufficient to accurately diagnose pregnancy in mares 150-250 days post conception. CLINICAL RELEVANCE: Measurement of OS concentrations in dung samples was a reliable and robust indicator of pregnancy status in feral mares 150-250 days post mating. This corresponds approximately to the period from May to August, given the seasonal breeding pattern in this population. This method of determining pregnancy status is suitable for field use in behavioural and demographic studies of wild horse populations.  
  Address Ecology Group, Institute of Natural Resources, Massey University, Private Bag 11-222, Palmerston North, New Zealand. wlinklater@hotmail.com  
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  ISSN 0048-0169 ISBN Medium  
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  Notes PMID:16032132 Approved no  
  Call Number refbase @ user @ Serial 411  
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Author Linklater, W.L.; Cameron, E.Z.; Stafford, K.J.; Austin, T. openurl 
  Title Chemical immobilisation and temporary confinement of two Kaimanawa feral stallions Type
  Year 1998 Publication New Zealand veterinary journal Abbreviated Journal N Z Vet J  
  Volume 46 Issue 3 Pages 117-118  
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  ISSN 0048-0169 ISBN Medium  
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  Notes PMID:16032032 Approved no  
  Call Number refbase @ user @ Serial 412  
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Author Collery, L. openurl 
  Title Observations of equine animals under farm and feral conditions Type Journal Article
  Year 1974 Publication Equine veterinary journal Abbreviated Journal Equine Vet J  
  Volume 6 Issue 4 Pages 170-173  
  Keywords Aggression; Animals; Animals, Newborn; Breeding; Circadian Rhythm; Feeding Behavior; Female; Horses/*physiology; Housing, Animal; Humans; Male; Pregnancy; Puberty; Reproduction; Sexual Behavior, Animal; Social Dominance  
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  ISSN 0425-1644 ISBN Medium  
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  Notes PMID:4473340 Approved no  
  Call Number refbase @ user @ Serial 680  
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Author Mills, D.S. openurl 
  Title Applying learning theory to the management of the horse: the difference between getting it right and getting it wrong Type Journal Article
  Year 1998 Publication Equine veterinary journal. Supplement Abbreviated Journal Equine Vet J Suppl  
  Volume Issue 27 Pages 44-48  
  Keywords Animals; *Behavior, Animal; Horses/*psychology; *Learning; Reinforcement (Psychology)  
  Abstract Horses constantly modify their behaviour as a result of experience. This involves the creation of an association between events or stimuli. The influence of people on the modification and generation of certain behaviour patterns extends beyond the intentional training of the horse. The impact of any action depends on how it is perceived by the horse, rather than the motive of the handler. Negative and positive reinforcement increase the probability of specific behaviours recurring i.e. strengthen the association between events, whereas punishment reduces the probable recurrence of a behaviour without providing specific information about the desired alternative. In this paper the term 'punishers' is used to refer to the physical aids, such as a whip or crop, which may be used to bring about the process of punishment. However, if their application ceases when a specific behaviour occurs they may negatively reinforce that action. Intended 'punishers' may also be rewarding (e.g. for attention seeking behaviour). Therefore, contingency factors (which define the relationship between stimuli, such as the level of reinforcement), contiguity factors (which describe the proximity of events in space or time) and choice of reinforcing stimuli are critical in determining the rate of learning. The many problems associated with the application of punishment in practice lead to confusion by both horse and handler and, possibly, abuse of the former. Most behaviour problems relate to handling and management of the horse and can be avoided or treated with a proper analysis of the factors influencing the behaviour.  
  Address De Montfort University Lincoln, School of Agriculture and Horticulture, Caythorpe, Lincs., UK  
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  Notes PMID:10485004 Approved no  
  Call Number refbase @ user @ Serial 845  
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Author Rossdale Pd, openurl 
  Title Clinical studies on the newborn thoroughbred foal.I. Perinatal behaviour Type Journal Article
  Year 1967 Publication Abbreviated Journal Brit Vet J  
  Volume 123 Issue Pages 470-480  
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  Notes from Professor Hans Klingels Equine Reference List Approved no  
  Call Number Serial 1515  
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Author Rossdale Pd, openurl 
  Title Abnormal perinatal behaviour in the thoroughbred horse Type Journal Article
  Year 1968 Publication Abbreviated Journal Brit Vet J.  
  Volume 124 Issue Pages 540-553  
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  Notes from Professor Hans Klingels Equine Reference List Approved no  
  Call Number Serial 1516  
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Author Tutt Jb, openurl 
  Title Type Journal Article
  Year 1944 Publication Abbreviated Journal Vet J  
  Volume 100 Issue Pages 69-80  
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  Notes from Professor Hans Klingels Equine Reference List Approved no  
  Call Number Serial 1671  
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Author Christensen, J.W.; Rundgren, M.; Olsson, K. openurl 
  Title Training methods for horses: habituation to a frightening stimulus Type Journal Article
  Year 2006 Publication Equine veterinary journal Abbreviated Journal Equine Vet J  
  Volume 38 Issue 5 Pages 439-443  
  Keywords Animals; Behavior, Animal/*physiology; *Conditioning (Psychology); *Fear; Heart Rate/*physiology; Horses/physiology/*psychology; Learning; Male; Random Allocation; *Reinforcement (Psychology); Safety; Time Factors  
  Abstract REASONS FOR PERFORMING STUDY: Responses of horses in frightening situations are important for both equine and human safety. Considerable scientific interest has been shown in development of reactivity tests, but little effort has been dedicated to the development of appropriate training methods for reducing fearfulness. OBJECTIVES: To investigate which of 3 different training methods (habituation, desensitisation and counter-conditioning) was most effective in teaching horses to react calmly in a potentially frightening situation. HYPOTHESES: 1) Horses are able to generalise about the test stimulus such that, once familiar with the test stimulus in one situation, it appears less frightening and elicits a reduced response even when the stimulus intensity is increased or the stimulus is presented differently; and 2) alternative methods such as desensitisation and counter-conditioning would be more efficient than a classic habituation approach. METHODS: Twenty-seven naive 2-year-old Danish Warmblood stallions were trained according to 3 different methods, based on classical learning theory: 1) horses (n = 9) were exposed to the full stimulus (a moving, white nylon bag, 1.2 x 0.75 m) in 5 daily training sessions until they met a predefined habituation criterion (habituation); 2) horses (n = 9) were introduced gradually to the stimulus and habituated to each step before the full stimulus was applied (desensitisation); 3) horses (n = 9) were trained to associate the stimulus with a positive reward before being exposed to the full stimulus (counter-conditioning). Each horse received 5 training sessions of 3 min per day. Heart rate and behavioural responses were recorded. RESULTS: Horses trained with the desensitisation method showed fewer flight responses in total and needed fewer training sessions to learn to react calmly to test stimuli. Variations in heart rate persisted even when behavioural responses had ceased. In addition, all horses on the desensitisation method eventually habituated to the test stimulus whereas some horses on the other methods did not. CONCLUSIONS AND POTENTIAL RELEVANCE: Desensitisation appeared to be the most effective training method for horses in frightening situations. Further research is needed in order to investigate the role of positive reinforcement, such as offering food, in the training of horses.  
  Address Danish Institute of Agricultural Sciences, Department of Animal Health, Welfare and Nutrition, Tjele, Denmark  
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  ISSN 0425-1644 ISBN Medium  
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  Notes PMID:16986605 Approved no  
  Call Number Serial 1783  
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