In vitro study demonstrates that modifying media metabolites slows aging in stallion spermatozoa at room temperature, highlighting opportunities to extend semen conservation.
Conservation of equine semen in the liquid state is a central procedure in horse breeding and constitutes the basis of associated reproductive technologies. The intense mitochondrial activity of the stallion spermatozoa increases oxidative stress along the storage period, leading to sperm demise within 24-48 h of storage, particularly when maintained at room temperature. Recently, the relationship between metabolism and oxidative stress has been revealed. The study aimed to extend the period of conservation of equine semen, at room temperature through modification of the metabolites present in the media.
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Becerro‐Rey et al. (2024) studied this question.
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