Positive Effect of Manganese (III) Meso-Tetrakis (4-Benzoic Acid) Porphyrin on Stallion Spermatozoa During Storage in Cool Condition
2014
Ghadimi, Vahid | Zhandi, Mahdi | Towhidi, Armin | Shehab-El-Deen, Mohamed Ahmed Mohamed Mahmoud | Nouri, Houshang
The aim of the present study was to assess the effect of manganese (III) meso-tetrakis (4-benzoic acid) porphyrin (Mn-TBAP) on stallion sperm quality during storage at 5°C. In the present study, 18 ejaculates from three stallions were collected and diluted by INRA82 extender containing 0 (Mn-0), 100 (Mn-100), 200 (Mn-200), and 300 (Mn-300) μM of Mn-TBAP. Sperm motility, plasma membrane integrity and functionality, and lipid peroxidation as indicated by malondialdehyde (MDA) in the spermatozoa of diluted semen were evaluated in vitro at 2, 24, and 48 hours after storage at 5°C. The results showed that all evaluated sperm parameters, except MDA concentration, decreased significantly during the storage period. Total and progressive motility of spermatozoa were higher in Mn-200 extender (46.75 ± 0.58 and 27.62 ± 0.6, respectively) compared with Mn-0 (44.43 ± 0.58 and 25.13 ± 0.6, respectively) and Mn-300 (43.95 ± 0.58 and 25.28 ± 0.6, respectively) after 48 hours of storage at 5°C (P < .05). In addition, sperm plasma integrity and functionality were higher in Mn-200 extender (53.12 ± 0.6 and 46.63 ± 0.78, respectively) compared with Mn-0 (47.74 ± 0.6 and 40.96 ± 0.78, respectively), Mn-100 (48.63 ± 0.6 and 41.99 ± 078, respectively), and Mn-300 (46.11 ± 0.6 and 3.75 ± 0.78, respectively) after 48 hours of storage at 5°C (P < .05). The result showed also that MDA level was lower in Mn-100 extender (3.91 ± 0.06) compared with Mn-0 (4.51 ± 0.06), Mn-200 (4.25 ± 0.06), and Mn-300 (4.75 ± 0.06) after 48 hours of storage at 5°C (P < .05). In conclusion, INRA82 extender supplemented with 200-μM Mn-TBAP could efficiently preserve Caspian stallion spermatozoa after 48 hours of storage at 5°C.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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