ArticleOpen veterinary journal2025
Impact of varying L-carnitine doses on the motility and activation parameters of bull sperm
Article in Open veterinary journal, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Aim: To investigate the optimal dose of L-carnitine to be used in bull semen extenders for mitigating the harmful effects of ROS during semen cryopreservation. Methods: A total of 38 ejaculates (30%-55% motility) were collected and extended using a Tris-yolk-fructose extender. Each sample was divided into five groups: a control and four groups supplemented with L-carnitine (0.03, 0.05, 0.08, and 0.1 mg/ml). Sperm motility, viability, and abnormalities were assessed before and after cryopreservation. Results: Supplementation of the semen extender with L-carnitine for low-motile bull sperm significantly improved sperm motility, with the optimal concentration being 0.05 mg/ml ( Conclusion: Both before and after cryopreservation, certain sperm functional parameters improved following in vitro bull sperm activation with L-carnitine-enriched media.
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