Effects of cryopreservation on the physiological characteristics and enzyme activities of yellowfin seabream sperm, Acanthopagrus latus (Houttuyn 1782)
文献类型： 外文期刊
作者： Jia, Pu-Yuan 1 ; Guo, Hua-Yang 1 ; Liu, Bao-Suo 1 ; Guo, Liang 1 ; Zhang, Nan 1 ; Zhu, Ke-Cheng 1 ; Jiang, Shi-Gui 1 ; Zhang, Dian-Chang 1 ;
作者机构： 1.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Key Lab South China Sea Fishery Resources Exploit, Minist Agr & Rural Affairs, Guangzhou 510300, Guangdong, Peoples R China
2.Hebei Agr Univ, Coll Ocean, Qinhuangdao 066003, Hebei, Peoples R China
3.Sanya Trop Fisheries Res Inst, Sanya 572018, Hainan, Peoples R China
4.Guangdong Prov Engineer Technol Res Ctr Marine Bi, Guangzhou 510300, Guangdong, Peoples R China
关键词： Acanthopagrus latus; Sperm; Cryopreservation; CASA; Enzyme activity
期刊名称：AQUACULTURE （ 影响因子：5.135； 五年影响因子：5.125 ）
ISSN： 0044-8486
年卷期： 2022 年 549 卷
页码：
收录情况： SCI
摘要： This study uses the CASA system and enzyme activity kit to detect movement parameters and enzyme activities of fresh and cryopreserved yellowfin seabream (Acanthopagrus latus) sperm, which could provide theoretical support for the protection of the germplasm resources of yellowfin seabream and the sustainable and healthy development of its aquacultural industry. The results showed that MOT, ALH, BCF and other indices were significantly reduced after cryopreservation (P 0.05). VCL, VSL and WOB and others indicators were not significantly different (P 0.05), and there was no significant difference in the enzyme activity of ATP and SDH (P 0.05), and there was no significant difference in the enzyme activities of CAT, GR, GSH-Px and LDH (P 0.05). When the cryopreservation time was extended from 5 days to 20 days, the enzyme activities of CAT, SOD, ATP and CK in sperm tended to increase first and then decrease, while the enzyme activities of GSH-Px and LDH tended to remain stable first and then decreased. This study indicates that cryopreservation has some effect on sperm motility parameters and that the activity compared with fresh sperm is slightly reduced. Cryopreservation causes damage to the antioxidant system of sperm to some extent. It also reduces the antioxidant capacity of antioxidant enzymes and energy metabolizing enzymes to generate energy.
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