The Sustainable Equine

A special issue of Animals (ISSN 2076-2615). This special issue belongs to the section "Equids".

Deadline for manuscript submissions: closed (30 September 2021) | Viewed by 39909

Special Issue Editors

National Equine Welfare Council, Slad Lane, Princes Risborough, Buckinghamshire HP27 0PP, UK
Interests: equine behaviour and welfare; equine perception; equine affective state; equine cognition; equine ethology; quality of life indicators
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Guest Editor
Senior Lecturer in Animal Production, Welfare and Veterinary Sciences, Harper Adams University, GL7 6JS Shropshire, UK
Interests: equine and ruminant welfare science; equine health; parasitology

Special Issue Information

Dear Colleagues,

Current global challenges in relation to a growing human population, decreasing biodiversity, and climate change have resulted in a repeated reference to the importance of sustainability. A multitude of contributory factors affect the long-term survival of the planet and the consideration of the sustainability of equines per se, and the negative environmental impact of current equine management practices is an issue that should be addressed. Increasingly, there is an emphasis on taking a joined-up approach to improve animal welfare, human well-being, and environmental sustainability, termed One Welfare. An inter-disciplinary approach is required to establish methods of improving equine welfare and the sustainability of equine populations while reducing the deleterious impact of equines on the environment. The role of the equine in human society is diverse, ranging from elite performance animals that partner human athletes in sporting activities, through animals employed in human therapeutic applications, to working animals required for human survival. The management, training, and health of elite equine athletes are increasingly under public scrutiny. Less visible but potentially of greater concern is the large numbers of unwanted and/or neglected equines that are surplus to human requirements. Contributions to this Special Issue are welcome from research areas that address these topics directly or provide complementary evidence that can be applied to increase the sustainability and welfare of equines in free-ranging or domestic situations, in whatever role they occupy.

Dr. Carol Hall
Dr. Anne Stevenson
Guest Editors

Manuscript Submission Information

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Keywords

  • equine
  • equid
  • horse
  • pony
  • donkey
  • zebra
  • welfare
  • environment
  • conservation
  • management
  • training
  • health
  • performance

Published Papers (8 papers)

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Research

Jump to: Review

20 pages, 1384 KiB  
Article
Occupational Safety Climate in the Swedish Equine Sector
by Cecilia Lindahl, Åsa Bergman Bruhn and Ing-Marie Andersson
Animals 2022, 12(4), 438; https://doi.org/10.3390/ani12040438 - 11 Feb 2022
Cited by 3 | Viewed by 2248
Abstract
The Swedish equine sector is considered a high-risk work environment, with relatively high injury rates and high severity of injuries. General safety research has identified a correlation between the safety performance and safety culture, but little is known about the intricacies of the [...] Read more.
The Swedish equine sector is considered a high-risk work environment, with relatively high injury rates and high severity of injuries. General safety research has identified a correlation between the safety performance and safety culture, but little is known about the intricacies of the safety culture in the Swedish equine sector, especially concerning managers’ and employees’ perceptions of their work environment. The safety climate assessment is recognised as an effective tool for identifying potential problems in the workplace, thus enhancing safety behaviour and decreasing the frequency and severity of injuries. The aim was to evaluate the safety climate at riding schools and trotting stables through the Nordic Safety Climate Questionnaire (NOSACQ-50) diagnostic tool, and to get a better understanding of the workers’ perceptions regarding safety and safety management at their workplace through complementary interviews. The results showed that the safety climate was generally positive and that employees were aware of the risks relating to their work. Riding schools commonly had routines in place for risk assessment and work environment management, but such routines were often lacking at trotting stables, indicating inadequate prioritisation of safety by the management. The main area that should be targeted to improve safety in the sector is employees’ prioritisation and non-acceptance of risks. Proactive instead of reactive safety management should be promoted, where safety is an integral part of daily work and all employees are encouraged to identify factors contributing to occupational injuries and develop strategies for injury prevention. Full article
(This article belongs to the Special Issue The Sustainable Equine)
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19 pages, 609 KiB  
Article
An Exploration of Environmentally Sustainable Practices Associated with Alternative Grazing Management System Use for Horses, Ponies, Donkeys and Mules in the UK
by Tamzin Furtado, Mollie King, Elizabeth Perkins, Catherine McGowan, Samantha Chubbock, Emmeline Hannelly, Jan Rogers and Gina Pinchbeck
Animals 2022, 12(2), 151; https://doi.org/10.3390/ani12020151 - 08 Jan 2022
Cited by 8 | Viewed by 4682
Abstract
Equestrian grazing management is a poorly researched area, despite potentially significant environmental impacts. This study explored keepers’ use of alternative grazing systems in the care of UK horses, donkeys and mules through an internet survey. The survey was available during the summer of [...] Read more.
Equestrian grazing management is a poorly researched area, despite potentially significant environmental impacts. This study explored keepers’ use of alternative grazing systems in the care of UK horses, donkeys and mules through an internet survey. The survey was available during the summer of 2020 and comprised closed and open questions, which were analysed with descriptive statistics and iterative thematic analysis, respectively. A total of 758 responses was incorporated into the analysis; the most popular system used were tracks (56.5%), Equicentral (19%), “other” (e.g., non-grass turnout) (12.5%), rewilding (7.5%) and turnout on either moorland (0.7%) or woodland (2.5%). The thematic analysis highlighted that equid keepers across the systems were highly engaged in exploring sustainable practices. Their approaches varied according to each system, yet all aimed to fulfil practices in three major categories, i.e., supporting diverse plant life (usually through restricting equid access to certain areas), supporting wildlife (through the creation of biodiverse environments) and sustainably managing droppings and helminths. Additionally, proponents of the Equicentral systems declared to be aiming to support soil health. These data provide a promising insight into equid keepers’ behaviour and attitudes to sustainability. Full article
(This article belongs to the Special Issue The Sustainable Equine)
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15 pages, 1908 KiB  
Article
Horses’ Use of Lying Halls and Time Budget in Relation to Available Lying Area
by Linda Kjellberg, Jenny Yngvesson, Hanna Sassner and Karin Morgan
Animals 2021, 11(11), 3214; https://doi.org/10.3390/ani11113214 - 10 Nov 2021
Cited by 6 | Viewed by 5982
Abstract
Sleep is crucial to horses’ wellbeing, and their lying time can vary according to such factors as climate, exercise, bedding, and housing. This study aimed to analyze behavior and time spent in lying halls of various sizes. We examined the influence of housing [...] Read more.
Sleep is crucial to horses’ wellbeing, and their lying time can vary according to such factors as climate, exercise, bedding, and housing. This study aimed to analyze behavior and time spent in lying halls of various sizes. We examined the influence of housing systems on total lying time and behavior, and how changes to available lying area can affect lying time. Two open barns were used in this study, with lying areas of 8, 15, and 18 m2/horse available in the lying halls. The horses’ behavior was video recorded and logged using scan sampling and interval observations. Individual boxes were used as a control. The horses were found to spend longer time in sternal and lateral recumbency in the hall with a lying area of 18 m2/horse than the hall with a lying area of 8 m2/horse. Increasing the area of the lying hall also increased overall time spent there. Consequently, the hypothesis that increasing lying area will increase the horses’ use of the lying hall, as well as their total lying time, was accepted. Full article
(This article belongs to the Special Issue The Sustainable Equine)
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25 pages, 14567 KiB  
Article
Factors Associated with Fatality in Ontario Thoroughbred Racehorses: 2003–2015
by Peter Physick-Sheard, Amanda Avison and William Sears
Animals 2021, 11(10), 2950; https://doi.org/10.3390/ani11102950 - 13 Oct 2021
Cited by 4 | Viewed by 2542
Abstract
Ontario’s Alcohol and Gaming Commission records equine racing fatalities through its Equine Health Program. The present study examined all Thoroughbred fatalities from 2003 to 2015, inclusive, to identify associations. Official records and details of fatalities were combined in multivariable logistic regression modelling of [...] Read more.
Ontario’s Alcohol and Gaming Commission records equine racing fatalities through its Equine Health Program. The present study examined all Thoroughbred fatalities from 2003 to 2015, inclusive, to identify associations. Official records and details of fatalities were combined in multivariable logistic regression modelling of 236,386 race work-events (433 fatalities), and 459,013 workout work-events (252 fatalities). Fatality rates were 2.94/1000 race starts (all fatalities) and 1.96/1000 (breakdowns only) with an overall rate of 2.61% or 26.1 fatalities/1000 horses. Comparison with published reports reveals rates to be high. Musculoskeletal injury was the predominant complaint and there was a high incidence of horses dying suddenly. Liability was high for young horses early in the season with a differential according to sex and whether a male horse was gelded. Horses undertaking repeated workouts had a higher liability and liability was higher in workouts for horses switching from dirt/synthetic to turf racing and for young horses in sprints. Race distance was not significant but high fatality rates in some large field, distance races combined with effects of age and workload identified groups at particular risk. As field size increased, fatality liability increased for early-finishing horses. Findings suggest jockey strategy could be an important factor influencing fatalities. Probability of fatality declined over the study period. Findings indicate that rapid accumulation of workload in animals early in their preparation is likely to be damaging. Fatality fell toward the end of a season and for horses with a long career history of successful performance; however, horses not exhibiting this robustness and staying power represent the population of greatest concern. Associations may be characterised as representing sources of stress, current or cumulative, and identifying at-risk animals on this basis may be as productive as targeting specific, discrete mechanisms suspected to contribute to individual fatalities. Full article
(This article belongs to the Special Issue The Sustainable Equine)
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9 pages, 239 KiB  
Article
Ingestion of Soil by Grazing Sport Horses
by Stefan Jurjanz, Claire Collas, Carol Quish, Bridget Younge and Cyril Feidt
Animals 2021, 11(7), 2109; https://doi.org/10.3390/ani11072109 - 15 Jul 2021
Cited by 2 | Viewed by 3210
Abstract
Data on soil ingestion in horses are lacking in contrast to other free-range animals. The importance of soil as a vector for environmental pollutants to food is less relevant in horses but several disorders secondary to soil ingestion, such as sand colic or [...] Read more.
Data on soil ingestion in horses are lacking in contrast to other free-range animals. The importance of soil as a vector for environmental pollutants to food is less relevant in horses but several disorders secondary to soil ingestion, such as sand colic or enteritis have been reported. Therefore, soil ingestion has been studied on Irish sport horses grazing at three offered levels of daily herbage: 2, 3 and 4% of their body weight. Soil ingestion was estimated by the faecal recovery of a soil natural marker. Horses had 4.5, 4.1 and 3.7% of soil in their total intake respectively for the 2, 3 and 4% herbage offers. The 4% offer presented significantly less intake (543 g/d) compared to the more restricted offers (624 and 648 g respectively for 3 and 2%). The post-grazing sward height was significantly lower on the 2% offer (3.1 cm) compared to the higher offers (4.1 and 4.4 cm respectively for 3 and 4%). Thus, restricted herbage allowance made grazing closer to the ground and increased soil ingestion. The sward height appeared to be a reliable indicator to manage animal withdrawal from a pasture to limit soil ingestion and the risk of gastrointestinal pathologies caused by it. Full article
(This article belongs to the Special Issue The Sustainable Equine)
18 pages, 1419 KiB  
Article
Evaluation of the Feasibility, Reliability, and Repeatability of Welfare Indicators in Free-Roaming Horses: A Pilot Study
by Jessica J. Harley, J. David Stack, Helen Braid, Krista M. McLennan and Christina R. Stanley
Animals 2021, 11(7), 1981; https://doi.org/10.3390/ani11071981 - 02 Jul 2021
Cited by 5 | Viewed by 8746
Abstract
Validated assessment protocols have been developed to quantify welfare states for intensively managed sport, pleasure, and working horses. There are few protocols for extensively managed or free-roaming populations. Here, we trialed welfare indicators to ascertain their feasibility, reliability, and repeatability using free-roaming Carneddau [...] Read more.
Validated assessment protocols have been developed to quantify welfare states for intensively managed sport, pleasure, and working horses. There are few protocols for extensively managed or free-roaming populations. Here, we trialed welfare indicators to ascertain their feasibility, reliability, and repeatability using free-roaming Carneddau Mountain ponies as an example population. The project involved (1) the identification of animal and resource-based measures of welfare from both the literature and discussion with an expert group; (2) testing the feasibility and repeatability of a modified body condition score and mobility score on 34 free-roaming and conservation grazing Carneddau Mountain ponies; and (3) testing a prototype welfare assessment template comprising 12 animal-based and 6 resource-based welfare indicators, with a total of 20 questions, on 35 free-roaming Carneddau Mountain ponies to quantify inter-assessor reliability and repeatability. This pilot study revealed that many of the indicators were successfully repeatable and had good levels of inter-assessor reliability. Some of the indicators could not be verified for reliability due to low/absent occurrence. The results indicated that many animal and resource-based indicators commonly used in intensively managed equine settings could be measured in-range with minor modifications. This study is an initial step toward validating a much-needed tool for the welfare assessment of free-roaming and conservation grazing ponies. Full article
(This article belongs to the Special Issue The Sustainable Equine)
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25 pages, 2695 KiB  
Article
Factors Associated with Mortality in Ontario Standardbred Racing: 2003–2015
by Peter Physick-Sheard, Amanda Avison and William Sears
Animals 2021, 11(4), 1028; https://doi.org/10.3390/ani11041028 - 05 Apr 2021
Cited by 6 | Viewed by 2653
Abstract
Factors associated with mortality in standardbred racehorses were assessed through a retrospective annualized cohort study of all-cause mortality from 2003–2015 (n = 978) (identified in the Ontario Racehorse Death Registry). Race and qualifying data for official work-events were also gathered (1,778,330 work-events, [...] Read more.
Factors associated with mortality in standardbred racehorses were assessed through a retrospective annualized cohort study of all-cause mortality from 2003–2015 (n = 978) (identified in the Ontario Racehorse Death Registry). Race and qualifying data for official work-events were also gathered (1,778,330 work-events, 125,200 horse years). Multivariable logistic regression analysis revealed sex, age, and indices of workload and intensity and their interactions to be strongly associated with mortality. Track class, race versus qualifying performance, and work-event outcome (finish position, scratched, or failed to finish) also influenced mortality odds, which increased as performance slowed. Intense competition at higher performance levels and qualifying races at lower levels carried particularly high odds. Though occurring frequently, musculoskeletal injury was less frequent than all other presenting problems combined. Industry structure contributes to mortality through interaction between horse characteristics and the competition environment. This substrate may be amenable to management to minimize liability, but incident-specific triggers may represent chance factors and be relatively difficult to identify or control. Differentiating between substrate and trigger when studying specific clinical problems may provide greater clarity and yield in identifying underlying causes. Mortality may reflect a continuum of circumstances, cumulative impacts of which might be identified before a fatal event occurs. Full article
(This article belongs to the Special Issue The Sustainable Equine)
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Review

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14 pages, 2277 KiB  
Review
Quantifying the Impact of Mounted Load Carrying on Equids: A Review
by Syed S. U. H. Bukhari, Alan G. McElligott and Rebecca S. V. Parkes
Animals 2021, 11(5), 1333; https://doi.org/10.3390/ani11051333 - 07 May 2021
Cited by 20 | Viewed by 6681
Abstract
There are approximately 112 million working equids in developing countries, many of which are associated with brick kilns. Brick kilns and overloading are associated with welfare problems in working equids. Understanding equids’ abilities and influencing factors are important for both effective performance and [...] Read more.
There are approximately 112 million working equids in developing countries, many of which are associated with brick kilns. Brick kilns and overloading are associated with welfare problems in working equids. Understanding equids’ abilities and influencing factors are important for both effective performance and welfare. Traditionally, measurement of the amount of ‘bone’ was used, and more recently, gait symmetry has been identified as a potential marker for loading capacity. Assessment of stride parameters and gait kinematics provides insights into adaptations to loading and may help determine cut-off loads. Physiological factors such as the ability to regain normal heart rates shortly after work is an important tool for equine fitness assessment and a more accurate measure of load-carrying capacity than absolute heart rate. Oxidative stress, plasma lactate, and serum creatine kinase activity are reliable biochemical indicators of loading ability. For monitoring stress, salivary cortisol is superior to serum cortisol level for assessment of hypothalamus-pituitary-adrenal axis and is related to eye temperatures, but this has yet to be interpreted in terms of load-carrying ability in equids. Further research is needed to standardize the evidence-based load-carrying capacity of working horses and donkeys. Full article
(This article belongs to the Special Issue The Sustainable Equine)
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