Physiological responses to swimming fatigue of juvenile white-leg shrimp Litopenaeus vannamei exposed to different current velocities, temperatures and salinities
文献类型: 外文期刊
作者: Zhang, P. D. 1 ; Zhang, X. M. 1 ; Li, J. 2 ;
作者机构: 1.Ocean Univ China, Minist Educ, Key Lab Mariculture, Qingdao 266003, Peoples R China
2.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Qingdao 266071, Peoples R China
关键词: Litopenaeus vannamei;swimming fatigue;current velocities;temperatures;salinities
期刊名称:AFRICAN JOURNAL OF BIOTECHNOLOGY ( 影响因子:0.573; 五年影响因子:0.794 )
ISSN: 1684-5315
年卷期: 2011 年 10 卷 5 期
页码:
收录情况: SCI
摘要: Swimming performance is one of the crucial factors determining the lifestyle and survival of Penaeid shrimps. This study examined under controlled laboratory conditions, the physiological responses to swimming fatigue of juvenile white-leg shrimp Litopenaeus vannamei (8.85 +/- 0.05 cm TL) exposed to different current velocities, temperatures and salinities factors which have been correlated with their swimming performance. The swimming endurance of juveniles decreased as current velocity increased from 5.41 to 11.47 cm s(-1) at any of the temperatures and salinities tested. Exercise to fatigue led to severe loss of serum total protein concentration (PC) and serum glucose level (SG) in L. vannamei exposed to different current velocities, temperatures and salinities (P < 0.05). Moreover, decrease of PC and SG in fatigued shrimp varied with current velocity, temperature and salinity. The results showed that the mobilization of protein and glucose in response to swimming fatigue was rapidly diminished and suggest how physiological responses to swimming fatigue of juvenile white-leg shrimp L. vannamei exposed to different current velocity, temperature and salinity may determine their swimming performances.
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