Hormone Concentrations and Semen Parameters in Criollo Breed Stallions Under Training

Rossetto, Liliana; Farcey, M.F.; Bilbao, María Guillermina; Bartolome, J.A.; Gallelli, María Florencia; Miragaya, Marcelo

doi:10.1016/j.jevs.2021.103386

Cited by 3 publications

(1 citation statement)

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“…This reflects current trends, where males are used for breeding mainly at the end of their sport career [ 15 ]. Contrary to current findings [ 15 , 31 ], combining exercise and breeding increases the risk of developing EGGD in this population. Although the literature diverges regarding the influence of exercise on cortisol in stallions and its impact on the release of testosterone, exercise intensity seems to be the primary determinant of the levels of the first hormone [ 32 ].…”

Section: Discussioncontrasting

confidence: 99%

Is There a Difference in the Prevalence of Gastric Ulcers between Stallions Used for Breeding and Those Not Used for Breeding?

Busechian,

Bindi,

Pieramati

et al. 2024

Animals

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Equine gastric ulcer syndrome (EGUS) is a worldwide disease, and includes two different syndromes, Equine Squamous Gastric Disease (ESGD), affecting the squamous mucosa, and Equine Glandular Gastric Disease (EGGD), affecting the glandular mucosa. These two diseases are present in different categories (different activities, ages, etc.) and breeds of horses. The effect of sex on gastric health is not clear: some studies found a higher prevalence of ESGD in geldings and stallions, while others found no influence of sex on the squamous mucosa. The few studies conducted on glandular diseases failed to identify sex as a risk factor. The only study on breeding horses, focused on Thoroughbred mares at pasture, found that 70% of them were affected by gastric ulcerations especially in the squamous mucosa. The aim of this study was to determine the prevalence of EGUS, ESGD, and EGGD in intact males while also investigating the potential influences of breeding and exercise activity on the occurrence and severity of the diseases. A total of 101 intact males were admitted for gastroscopic examination. Comprehensive data regarding their breeding and sports history, management, and presence of clinical signs were recorded. A statistical analysis was performed. Within this equine population, no discernible relationship was found between breeding activity and occurrence and severity of ESGD or EGGD. Exercise and a combination of exercise and breeding activities were found to be associated with the occurrence of EGGD. The presence of clinical signs was correlated only with the grade of ESGD in this cohort of horses.

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