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Author |
Herholz, C.; Straub, R.; Braendlin, C.; Imhof, A.; Luthi, S.; Busato, A. |
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Title |
Measurement of tidal breathing flow-volume loop indices in horses used for different sporting purposes with and without recurrent airway obstruction |
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Journal Article |
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Year |
2003 |
Publication  |
The Veterinary Record |
Abbreviated Journal |
Vet. Rec. |
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Volume |
152 |
Issue |
10 |
Pages |
288-292 |
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Keywords |
Airway Obstruction/*physiopathology; Animals; Horses/*physiology; Physical Conditioning, Animal/*physiology; *Respiration; Respiratory Function Tests/*veterinary; Sports; Tidal Volume/physiology |
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Abstract |
Tidal breathing flow-volume loop (TBFVL) indices in healthy horses and in horses suffering from mild and moderate to severe recurrent airway obstruction (RAO) were measured. In addition, the ability of these indices to differentiate healthy controls from horses with mild RAO by separating the horses according to their usage was investigated. The horses were assigned to three sporting categories: 1 Leisure horses; 2 Horses competing at events with a duration of more than five minutes (eventing, coaching and endurance); and 3 Horses competing at events with a duration of less than five minutes (dressage and show jumping). Flow-volume curves were recorded with an ultrasonic spirometer and TBFVL indices were calculated with specially dedicated software. The sporting usage of the horses had a significant effect on the differentiating ability of TBFVL indices in diagnosing different degrees of RAO. The index TIF50 differentiated control horses from horses with minor RAO in all sporting categories. |
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Address |
Department of Equine Internal Medicine, Faculty of Veterinary Medicine, University of Berne, Langgasstrasse 124, CH-3012 Berne, Switzerland |
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ISSN |
0042-4900 |
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Notes |
PMID:12650471 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
3725 |
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Author |
Sloet van Oldruitenborgh-Oosterbaan, M.M.; Blok, M.B.; Begeman, L.; Kamphuis, M.C.D.; Lameris, M.C.; Spierenburg, A.J.; Lashley, M.J.J.O. |
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Title |
Workload and stress in horses: comparison in horses ridden deep and round ('rollkur') with a draw rein and horses ridden in a natural frame with only light rein contact |
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Journal Article |
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Year |
2006 |
Publication |
Tijdschrift Voor Diergeneeskunde |
Abbreviated Journal |
Tijdschr Diergeneeskd |
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Volume |
131 |
Issue |
5 |
Pages |
152-157 |
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Keywords |
Animal Husbandry/methods; Animals; Biomechanics; Blood Glucose/analysis; Female; Heart Rate/physiology; Hematocrit/veterinary; Horses/blood/*physiology; Hydrocortisone/blood; Lactic Acid/blood; Physical Conditioning, Animal/adverse effects/*physiology; Stress, Physiological/blood/etiology/veterinary |
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Abstract |
'Rollkur' or 'overbending' is the low and deep riding of a dressage horse during training or warming up. Lately, this technique has been criticized, and not necessarily objectively, on welfare grounds. To be able to evaluate these criticisms, more needs to be known about the workload and stress of horses being ridden 'rollkur'. The aim of the present study was to compare the workload of eight riding-school horses when being ridden deep and round with a draw rein ('rollkur') and when being ridden in a natural frame with only light rein contact ('free'). Workload (as measured by heart rate and blood lactate concentration) was slightly higher when horses were ridden 'rollkur' than when they were ridden 'free'. There were no differences in packed cell volume, or glucose and cortisol concentrations. No signs of uneasiness or stress could be determined when the horses were ridden 'rollkur'. Subjectively, all horses improved their way of moving during 'rollkur' and were more responsive to their rider. |
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Address |
Department of Equine Sciences, Faculty of Veterinary Medicine, Utrecht University, Yalelaan 12, 3584 CM Utrecht, The Netherlands. m.sloet@vet.uu.nl |
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ISSN |
0040-7453 |
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Notes |
PMID:16532786 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
5638 |
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Author |
Golland, L.C.; Evans, D.L.; McGowan, C.M.; Hodgson, D.R.; Rose, R.J. |
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Title |
The effects of overtraining on blood volumes in standardbred racehorses |
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Journal Article |
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Year |
2003 |
Publication |
Veterinary Journal (London, England : 1997) |
Abbreviated Journal |
Vet J |
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Volume |
165 |
Issue |
3 |
Pages |
228-233 |
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Keywords |
Animals; *Blood Volume; Erythrocytes/*physiology; Hematocrit/veterinary; Horse Diseases/etiology/*physiopathology; Horses; Male; *Physical Conditioning, Animal; Physical Endurance |
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Abstract |
Red blood cell hypervolaemia has been used for diagnosis of overtraining in racehorses, and has been suggested as a mechanism of this cause of loss of racing performance. The effects of overload training (OLT) on the plasma, blood and red cell volumes were investigated in a prospective study in 12 Standardbred horses. Measurements of blood volumes were made after eight and 32 weeks of an exercise training study. Horses were randomly allocated to OLT and control groups (n=6) after 16 weeks of training. Training duration and intensity were increased more rapidly for the OLT group from week 16, until overtraining was diagnosed in week 32.There were no significant effects of OLT on plasma, blood or total red cell volumes between weeks eight and 32. These volumes significantly decreased with time. Maximal haematocrit after exercise was lower (P<0.05) in the OT group in week 32 (0.57+/-0.003% L/L) than in week eight (0.59+/-0.004 L/L). It was concluded that red cell hypervolaemia was not a mechanism for the decrease in capacity for exercise that occurs with overtraining. |
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Faculty of Veterinary Science, University of Sydney, Sydney, NSW 2006, Australia |
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English |
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ISSN |
1090-0233 |
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Notes |
PMID:12672368 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4045 |
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Author |
Stadler, P.; Rewel, A.; Deegen, E. |
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Title |
[M-mode echocardiography in dressage horses, class S jumping horses and untrained horses] |
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Journal Article |
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Year |
1993 |
Publication |
Zentralblatt fur Veterinarmedizin. Reihe A |
Abbreviated Journal |
Zentralbl Veterinarmed A |
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Volume |
40 |
Issue |
4 |
Pages |
292-306 |
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Keywords |
Animals; Echocardiography/*veterinary; Female; Heart Septum/ultrasonography; Heart Ventricles/ultrasonography; Horses/*anatomy & histology; Male; *Physical Conditioning, Animal; Reference Values |
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Abstract |
Heart structures of 45 warmblooded horses were measured by M-mode-echocardiography. The current training level of 15 dressage horses (group I) and 15 show-jumping horses (group II) was category “S”. In the third group were 15 untrained horses. Four standardized transducer positions were determined for the m-mode echobeam, calibrated according to the two-dimensional real time technique. End systolic and end diastolic diameters of left ventricle, right ventricle, aortic root, interventricular septum and left ventricular wall, as well as motion pattern of heart wall, mitral valve and aortic valve of all horses were measured. The dressage horses showed a significant thickening of interventricular septum and left-ventricular wall compared with the show-jumping horses and the untrained horses. The end diastolic left ventricle diameter of the show-jumping horses was significantly larger than in the other groups. Compared to the untrained horses the show-jumping horses showed a significantly larger end systolic left ventricular wall diameter measured at the level of papillary muscle. It can be concluded, that an increase in heart mass in category “S” sport horses is attributed to their level of training. |
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Address |
Klinik fur Pferde der Tierarztlichen Hochschule Hannover |
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German |
Summary Language |
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Original Title |
Die M-mode-Echokardiographie bei S-Dressur-, S-Springpferden und bei untrainierten Pferden |
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Series Issue |
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Edition |
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ISSN |
0514-7158 |
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Notes |
PMID:8342361 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
3749 |
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