Epidemiological survey of the hoof wall cavity (‘Gidoh’ in Japanese) in racehorses.
Abstract: In October 2001, a survey was conducted about cavities formed within the hoof wall (called GIDOH in Japanese) of racehorses at the Ritto and Miho Training Centres, which are managed by the Japan Racing Association (JRA). Gidoh is defined as a progressive cavity within the deep layers between the stratum medium and stratum internum. A total of 148 out of 5386 surveyed horses (2.75 per cent) were affected. Out of 244 affected feet, fore hooves (84.02 per cent) were more susceptible than hind hooves, and the site most affected was midline dead centre of the toe (59.62 per cent) which tends to place extra stress at the break-over point in a straight-line exercise. Logistic regression analysis revealed that prevalence was significantly related with horse affiliation (OR 0.65, 95 per cent CI 0.46 to 0.91) and age (OR 1.43 per one year, 95 per cent CI 1.27 to 1.61). We hypothesised that the primary cause of Gidoh development in JRA stables was mechanical deformation of the hoof wall during exercise, and secondary exciting causes can subsequently lead to the spread of the lesion over the entire hoof wall.
Publication Date: 2012-11-01 PubMed ID: 23118047DOI: 10.1136/vr.100725Google Scholar: Lookup
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- Journal Article
Summary
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The research paper investigates the prevalence of Gidoh, a specific horse hoof condition, in racehorses in Japan, and hypothesize that the major cause of Gidoh is the mechanical deformation of the hoof wall during exercise.
Study Overview
- The study was carried out on racehorses at the Ritto and Miho Training Centres managed by the Japan Racing Association (JRA) in October 2001. The purpose of the study was to understand the occurrence and factors influencing Gidoh, a cavity formation within the hoof wall of racehorses.
Definition of Gidoh
- Gidoh is defined as a progressive cavity within the deep layers of a horse’s hoof wall, specifically between the stratum medium and stratum internum.
Findings
- Out of the 5386 horses investigated, 148 horses (2.75 per cent) were diagnosed with Gidoh.
- Among the affected hooves, the front ones were found to be more vulnerable than the hind hooves, accounting for 84.02% of the reported cases.
- The spot most commonly impacted was the midline dead center of the toe in the foot, which usually bears extra stress during straight-line exercises, with 59.62% instances.
Factors Related to Gidoh Prevalence
- The study used logistic regression analysis to establish the relationship between the prevalence of Gidoh and various factors such as horse affiliation and age.
- The study discovered that the affiliation of the horse played a significant role in the prevalence of Gidoh (OR 0.65, 95% CI 0.46 to 0.91). Similarly, age significantly correlated with the incidence of Gidoh with the odds of occurrence increasing by about 43% with each additional one year of age (OR 1.43 per one year, 95% CI 1.27 to 1.61).
Hypothesized Causes of Gidoh
- The researchers hypothesised that the primary cause of Gidoh development in JRA stables is the mechanical deformation of the hoof wall during exercise.
- Additionally, other secondary contributing causes can lead to the further spread of the lesion over the entire hoof wall.
Cite This Article
APA
Kuwano A, Yamauchi Y, Sasagawa T, Sasaki N, Hamano H.
(2012).
Epidemiological survey of the hoof wall cavity (‘Gidoh’ in Japanese) in racehorses.
Vet Rec, 171(24), 623.
https://doi.org/10.1136/vr.100725 Publication
Researcher Affiliations
- Clinical Science and Pathobiology Division, Equine Research Institute, Japan Racing Association, 321-4 Tokami-cho, Utsunomiya-shi, Tochigi 320-0856, Japan.
MeSH Terms
- Animals
- Female
- Foot Diseases / epidemiology
- Foot Diseases / pathology
- Foot Diseases / veterinary
- Hoof and Claw / pathology
- Horse Diseases / epidemiology
- Horse Diseases / pathology
- Horses
- Japan / epidemiology
- Male
- Physical Conditioning, Animal / adverse effects
- Physical Conditioning, Animal / methods
- Population Surveillance
- Sports
Citations
This article has been cited 2 times.- Sato F, Otsuka N, Kuwano A. Toe white line separation associated with the notch (crena marginalis) on the distal phalanges in Thoroughbred yearling horses. J Vet Med Sci 2021 Nov 16;83(11):1745-1749.
- Kuwano A, Niwa H, Arai K. New methods for isolation of keratolytic bacteria inducing intractable hoof wall cavity (Gidoh) in a horse; double screening procedures of the horn powder agar-translucency test and horn zymography. J Equine Sci 2017;28(1):19-25.
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