The Combined Effect of Melatonin Implant and Removal of Buck Seminal Plasma on Cryopreservation During the Nonbreeding Season

Üstüner, Burcu; Üstüner, Hakan; Gökçe, Elif; Onder, N. Tekin; Yilmaz, Mehmet; Huraydin, Oguzhan; Toker, Mehmed Berk

doi:10.1089/bio.2022.0074

Cited by 2 publications

(2 citation statements)

References 41 publications

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“…We found better (p < .05) post-thaw motility of implanted compared to control buffalo bulls. Similar studies in a range of species including rams (Egerszegi et al, 2014), Mithuns (Perumal et al, 2018), buffalo bulls (Ramadan et al, 2019) and bucks (Ustuner et al, 2023) have also shown positive effect of melatonin on sperm motility and kinematics. The enhanced sperm motility owing to melatonin could be due to elevated concentrations of intercellular ATP since melatonin acts as a cyclic AMP stimulator which is the main source of energy used by sperm flagellum to initiate and activate forward progressive motility (Perumal et al, 2015).…”

Section: Discussionsupporting

confidence: 59%

“…Various methods have been adopted to improve post‐thaw semen quality and subsequent AI program (Yánez‐Ortiz et al., 2022). Recently, exogenous melatonin implant has emerged as a potent molecule, owing to its useful effects on semen quality (Ustuner et al., 2023). Melatonin (N‐acetyl‐5‐methoxy tryptamine) is an indole derivative endogenous compound playing important role in seasonal reproduction in mammals especially buffaloes (Revel et al., 2009).…”

Section: Introductionmentioning

confidence: 99%

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Effect of exogenous melatonin implant on post‐thaw semen quality of buffalo bulls

Grover,

Singh,

Kumar

et al. 2024

Reprod Domestic Animals

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Melatonin is an intracellular antioxidant of sperm membrane that protects the cells from lipid peroxidation. Yet, its role as an antioxidant on semen quality of buffalo bulls is still obscure. The present study was undertaken to assess the effect of exogenous melatonin implant (18 mg/50 kg bodyweight) on post‐thaw sperm characteristics, oxidative stress, endocrinological profiles and fertility of buffalo bulls. Six apparently healthy breeding Murrah buffalo bulls were randomly selected at bull farm, Guru Angad Dev Veterinary and Animal Sciences University for the present study and divided into two groups viz. control (n = 3) and melatonin implanted group (n = 3). A total of 120 ejaculates were collected from bulls of both groups (n = 60 each) throughout the study period. Most beneficial effects of melatonin implants were observed during post‐implantation period. The percentages of post‐thaw sperm total and progressive motility, viability and mitochondrial membrane potential were higher (p < .05) in melatonin implanted buffalo bulls compared to controls during post‐implantation period. Following melatonin implantation, MDA production in post‐thaw semen was lower (p < .05) in melatonin implanted group than in control group. Plasma melatonin and testosterone concentrations were higher (p < .05) in buffalo bulls implanted with melatonin as compared to their control counterparts. No differences (p > .05) in plasma LH concentrations were observed in both groups. First service pregnancy rate was 43.3% using semen of melatonin implanted bulls and 30.0% with semen of controls (p > .05). Thus, melatonin was able to protect sperm membrane against oxidative damage and improve post‐thaw semen quality, thereby resulting in higher fertilizing potential of spermatozoa.

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Section: Discussionsupporting

confidence: 59%

Section: Introductionmentioning

confidence: 99%

Effect of exogenous melatonin implant on post‐thaw semen quality of buffalo bulls

Grover,

Singh,

Kumar

et al. 2024

Reprod Domestic Animals

View full text Add to dashboard Cite

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Cryopreservation of Human Spermatozoa: Functional, Molecular and Clinical Aspects

Traini

Vignozzi

Baldi

et al. 2023

IJMS

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Cryopreservation is an expanding strategy to allow not only fertility preservation for individuals who need such procedures because of gonadotoxic treatments, active duty in dangerous occupations or social reasons and gamete donation for couples where conception is denied, but also for animal breeding and preservation of endangered animal species. Despite the improvement in semen cryopreservation techniques and the worldwide expansion of semen banks, damage to spermatozoa and the consequent impairment of its functions still remain unsolved problems, conditioning the choice of the technique in assisted reproduction procedures. Although many studies have attempted to find solutions to limit sperm damage following cryopreservation and identify possible markers of damage susceptibility, active research in this field is still required in order to optimize the process. Here, we review the available evidence regarding structural, molecular and functional damage occurring in cryopreserved human spermatozoa and the possible strategies to prevent it and optimize the procedures. Finally, we review the results on assisted reproduction technique (ARTs) outcomes following the use of cryopreserved spermatozoa.

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The Combined Effect of Melatonin Implant and Removal of Buck Seminal Plasma on Cryopreservation During the Nonbreeding Season

Cited by 2 publications

References 41 publications

Effect of exogenous melatonin implant on post‐thaw semen quality of buffalo bulls

Effect of exogenous melatonin implant on post‐thaw semen quality of buffalo bulls

Cryopreservation of Human Spermatozoa: Functional, Molecular and Clinical Aspects

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