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Pinchbeck, G. L., Clegg, P. D., Proudman, C. J., Stirk, A., Morgan, K. L., & French, N. P. (2004). Horse injuries and racing practices in National Hunt racehorses in the UK: the results of a prospective cohort study. The Veterinary Journal, 167(1), 45–52.
Abstract: A prospective cohort study was conducted on horses starting in hurdle and steeplechase races on six UK racecourses in 2000 and 2001. Trainers or carers were questioned on the horses' pre-race routine and observational data were collected in the stables and parade ring. Some practices were common to many starters, such as withholding food and water before racing whereas other practices, such as schooling frequency, were more variable. There was a total of 2879 starts and a total of 83 injuries or medical events (28.8/1000 starts). The commonest types of injury were tendon/suspensory injuries and lacerations/wounds. Multivariable logistic regression models were used to identify the relationship between predictor variables and the risk of injury. Risk of injury or medical event was associated with distance of the race and weight carried. The risk of injury, excluding medical events, was associated with the speed of the race and foot conformation.
Keywords: Racehorse; Horse; Injury; Cohort; National Hunt
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Schwenk, B. K., Fürst, A. E., & Bischhofberger, A. S. (2016). Traffic accident-related injuries in horses. Equine Med., 32(3), 192–199.
Abstract: Horses involved in road traffic accidents (RTAs) are commonly presented to veterinarians with varying types of injuries. The aim
of this study was describe the pattern and severity of traffic accident-related injuries in horses in a single hospital population. Medical records of horses either hit by a motorized vehicle or involved in RTAs whilst being transported from 1993 to 2015 were retrospectively reviewed and the following data was extracted: Signalement, hospitalisation time, month in which the accident happened, cause of the accident, place of the accident and type of vehicle hitting the horse. Further the different body sites injured (head, neck, breast, fore limb, abdomen, back and spine, pelvis and ileosacral region, hind limb, tail and genital region), the type of injury (wounds, musculoskeletal lesions and internal lesions) and the presence of neurological signs were retrieved from the medical records. 34 horses hit by motorized vehicles and 13 horses involved in RTAs whilst being transported were included in the study. Most of the accidents where horses were hit by motorized vehicles occurred during December (14.7%) and October (14.7%), horses were most commonly hit by cars (85.3%) and the majority of accidents occurred on main roads (26.5%). In 29.4% of the cases, horses had escaped from their paddock and then collided with a motorized vehicle. Most of the accidents with horses involved in RTAs whilst being transported occurred during April (30.8%) and June (23.1%). In 76.9% of the cases the accident happened on a freeway. In the horses hit by motorized vehicles the proximal hind limbs were the body site most commonly affected (44.1%), followed by the proximal front limbs (38.2%) and the head (32.4%). When horses were involved in RTAs whilst being transported the proximal fore limbs (61.5%), the proximal hind limbs (53.8%) and the distal hind limbs, back and head (38.5% each) were the most common injured body sites. Wounds were the most common type of injury in both groups (85.3% hit by motorized vehicle, 76.9% transported ones). In horses hit by a motorized vehicle 35.3% suffered from fractures, in 20.6% a synovial structure was involved and in 5.9% a tendon lesion was present. 14.7% suffered from internal lesions and 14.7% showed neurologic symptoms (40% peripheral, 60% central neurologic deficits). On the other hand, in horses involved in a RTA whilst being transported 30.8% suffered from fractures. There were no synovial structures injured and no tendon injuries were present. Furthermore there were no internal lesions present and only one horse involved in a RTA showed central neurologic symptoms. Injuries of horses being hit by a motorized vehicle were more severe than when horses were protected by a trailer and involved in a RTA whilst being transported. The study has been able to identify the different injury types of traffic accident-related injuries in horses. Awareness of the nature of these injuries is important, to avoid underestimation of their severity. |
Zeitler-Feicht, M. H., Streit, S., & Dempfle, L. (2010). Automatic feeding systems for horses in group housing systems with regard to animal welfare. Part 1: Feeding stalls versus automatic feeding systems. Tierärztl Prax, 38(G), 363–370.
Abstract: Gegenstand und Ziel: Überprüfung der Tiergerechtheit von Abrufstationen
für Kraftfutter und Heu in der Gruppenhaltung von Pferden anhand ethologischer und physiologischer Parameter im Vergleich zu konventionellen Fressständen. Material und Methoden: Die Verhaltensbeobachtungen fanden in 11 bzw. 10 Offenlaufställen mit Abrufstationen bzw. Fressständen statt. 270 Pferde wurden individuell unterschieden. Untersuchungsparameter waren: Drohverhalten mit und ohne Verletzungsrisiko, Meideverhalten, Verdrängung aus dem Fressstand sowie Herzfrequenz und Integumentverletzungen. In jedem Betrieb erfolgten kontinuierliche Direktbeobachtungen für je einen 24-Stunden-Tag (Tortenstückverfahren). Ergebnisse: Im Wartebereich der Abrufautomaten traten signifikant mehr Drohgesten ohne bzw. mit Verletzungsgefahr je Pferd und Tag (8,6 bzw. 3,0) auf als im Wartebereich der Fressstände (3,4 bzw. 0,9). Demgegenüber konnten die Pferde in Abrufstationen (1,4 Drohgesten je Pferd und Tag) ungestörter fressen als in Fressständen (3,2 Drohgesten je Pferd und Tag). Insgesamt betrachtet ergab sich jedoch bei beiden Fütterungssystemen eine geringe Anzahl an sozionegativen Interaktionen im Bereich der Futtereinrichtungen. Die Herzfrequenz lag im Warteareal im Durchschnitt im physiologischen Bereich (44,59 ± 11,73 Schläge/min). Integumentverletzungen im Zusammenhang mit dem Fütterungssystem traten nicht auf. Der wichtigste Einflussfaktor auf die Untersuchungskriterien war der Betrieb (Fläche, Konzeption, Management). Schlussfolgerung: Unter dem Aspekt der Tiergerechtheit hinsichtlich des Stress- und Verletzungsrisikos durch soziale Interaktionen eignen sich bei ordnungsgemäßer Gruppenhaltung mit fachgerechtem Management sowohl Fressstände als auch Abrufstationen für Pferde im Offenlaufstall. [Objective: A comparison with regard to animal welfare of feeding stalls and automatic feeding systems for hay and concentrates in group housing systems for horses using parameters of ethology and physiology. Material and method: The observations of animal behaviour took place in 10 stables with feeding stalls and in 11 stables with automatic feeding systems. The field around the feeding systems was divided into three areas with comparable dimensions (waiting area, exit area and inside of the feeding system). 270 horses were individually observed. Parameters of research comprised: threatening behaviour with and without risk of injury, avoiding behaviour, ”chasing away from the feeding place”, as well as heart rate and injuries of the integument. Every group of horses was continuously observed for 24 hours. This observation took place on four different days and comprised six sessions, each of 4 hours. Results: In the waiting area of the automatic systems there were significantly more threatening gestures with and without risk of injuries for each horse and day (8.6 and 3.0, respectively) than in the waiting area of the feeding stalls. In contrast, the horses could eat more relaxed in the automatic systems (1.4 threatening gestures for each horse and day) than in the feeding stalls (3.2 threatening gestures for each horse and day). All together the number of negative interactions in the feeding area of both feeding systems was relatively low. The heart rate was within the physiological range (44,59 ± 11,73 beats/min) in the waiting area. There were no injuries of the integument in correlation with the feeding systems. The most important factor of the observation criteria was the individual group housing system with its different dimension, conception and management. Conclusion: Under the aspect of animal welfare both feeding systems are suitable for horses with respect to the risk of stress and injuries by social interactions and under the condition of proper group housing with professional management.] |
Zeitler-Feicht, M. H., Streit, S., & Dempfle, L. (2011). Automatic feeding systems for horses in group housing systems with regard to animal welfare. Part 2: Comparison of different automatic feeding systems. Tierärztl Prax, 39(G), 33–40.
Abstract: Ziel: Überprüfung der Tiergerechtheit von in der Bauweise unterschiedlichen
Futterabrufstationen für Pferde in Gruppenhaltung anhand ethologischer und physiologischer Parameter. Material und Methoden: In 32 Offenlaufställen (452 Pferde) mit computergesteuerten Abrufstationen für Kraftfutter und Heu erfolgten kontinuierliche Direktbeobachtungen für je einen 24-Stunden-Tag (Tortenstückverfahren). Erfasst wurden: Aufenthaltsdauer, Besuchshäufigkeit, Droh- und Meideverhalten im Fütterungsbereich, Blockaden sowie Herzfrequenz und Integumentverletzungen. Ergebnisse: Eine Durchlaufstation reduzierte die Zahl der Auseinandersetzungen im Fütterungsbereich signifikant. Ansonsten erhöhten die für das fressende Pferd tiergerechten Varianten (Fressstand mit Eingangssperre, ohne Austreibehilfe) Besuchshäufigkeit und Aufenthaltsdauer und steigerten somit auch die Anzahl an Drohgesten je Tier und Tag. Insgesamt betrachtet kann jedoch die Anzahl an sozionegativen Interaktionen im Fütterungsbereich der Abrufstationen als relativ gering eingestuft werden. Die Herzfrequenz lag im Warteareal bei den meisten Pferden im physiologischen Bereich (45,1 ± 12,42 Schläge/min), erhöhte sich jedoch in der Abrufstation um ca. 20 Schläge/min. Einige Tiere zeigten möglicherweise stressbedingt kurzfristig auffallend hohe Werte (≥ 100 Schläge/ min). Integumentverletzungen im Zusammenhang mit dem Fütterungssystem traten nicht auf. Der wichtigste Einflussfaktor auf die Untersuchungskriterien war der Betrieb (Fläche, Konzeption, Management). Schlussfolgerung: Durchlaufstationen sind pferdegerechter als Rücklaufstationen. Nicht tiergerecht sind Stationen mit stromführender Austreibehilfe. Weitere bauliche Unterschiede der derzeitigen Futterabrufstationen dürften eher von untergeordneter Bedeutung sein, vor allem da Flächengebot und Konzeption der Offenstallanlage sowie das Management die überprüften Kriterien zur Tiergerechtheit maßgeblich beeinflussen. Untersuchungen zur Abklärung der Ursache für die vereinzelt aufgetretenen sehr hohen Herzfrequenzwerte sollten durchgeführt werden. Objective: Comparison with regard to animal welfare of different automatic feeding systems for hay and concentrate in group housing systems for horses using parameters of ethology and physiology. Material and methods: Parameters of research comprised: duration of stay, frequency of visit, threatening behaviour with and without risk of injury, and avoiding behaviour as well as heart rate and injuries of the integument. 452 horses were observed at the feeding area of 32 run-out-sheds. Every group of horses was continuously observed following the pie chart system for 24 hours. Results: The “walk-through” station significantly reduced the number of conflicts in the feeding area, whereas those systems which are appropriate for the feeding horses (feeding station with access barrier and without stimulation device by electric shock) led to a higher frequency of visits and a longer duration of stay resulting in more threatening gestures. However, the number of negative interactions in the feeding area of the feeding systems can all together be classified as relatively insignificant. The heart rate was within the physiological range (45.1 ± 12.42 beats/min) in the waiting area, but increased by approximately 20 beats/min on average within the feeding station. Some horses showed a very high heart rate (≥ 100 beats/min) while entering the feeding station, possibly stress-related. There were no injuries of the integument associated with the feeding systems. The most important factor of the observation criteria was the individual group housing system with its different dimensions, conception and management. Conclusion: “Walk-through” stations are better than ”walk-back” stations with regard to animal welfare. Likewise, automatic feeding stations with a current-carrying stimulation device are not supportive of good welfare. The other differences between the constructions of feeding stations of present systems are probably of less importance, particularly as it was shown that the stable (management, stable area, conception) had a significant influence on the surveyed parameters. Investigations to obtain information on the cause for the sporadic occurrence of very high heart rate values should be undertaken.] |