Physiological Responses of Grey Mullet (Mugil cephalus) and Nile Tilapia (Oreochromis niloticus) by Rapid Changes in Salinity of Rearing Water
Physiological Responses of Grey Mullet (Mugil cephalus) and Nile Tilapia (Oreochromis niloticus) by Rapid Changes in Salinity of Rearing Water
复制标题
饲养水盐度快速变化对灰鲻鱼 (Mugil cephalus) 和尼罗罗非鱼 (Oreochromis niloticus) 的生理反应
DOI：
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发表时间：
1999
期刊：
影响因子：
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通讯作者：
Hur Jun Wook
中科院分区：
文献类型：
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作者：
C. Jin;Hur Jun Wook
研究了鲻鱼（Mugil cephalus）和尼罗罗非鱼（Oreochromis niloticus）在盐度调控下的生理反应（皮质醇、葡萄糖、谷丙转氨酶（GPT）、谷草转氨酶（GOT）、总蛋白、红细胞压积、钠、氯、钾、总钙和渗透压）、生长和存活率。盐度直接从淡水增加到15天，并保持。然后，盐度直接从海水降低到淡水，并保持另外15天。罗非鱼在第3天全部死亡，乌鱼在第30天全部存活。海水和淡水中乌鱼的皮质醇和葡萄糖浓度无显著差异。而尼罗罗非鱼在海水中则有所增加。鲻鱼体内钠、氯、钾含量在试验期间无显著差异。然而，当尼罗河罗非鱼暴露在海水中时，这些变化显着增加。在整个试验期间，乌鱼的渗透压在293.5 ~ 335.0 mOsm/kg之间。
Physiological responses (cortisol, glucose, GPT, GOT, total protein, hematocrit, sodium, chloride, potassium, total calcium and osmolality), growth and survival rates of grey mullet (Mugil cephalus) and Nile tilapia (Oreochromis niloticus) by the manipulation of salinity were studied. Salinity was increased directly from freshwater to and remained for 15 days. Then, salinity was decreased directly from seawater to freshwater and remained for other 15 days. All tilapias were dead at the third day, but of grey mullet were survived at the 30th day. The grey mullet showed no significant differences for cortisol and glucose concentrations in the seawater and freshwater. However, those of the Nile tilapia were increased in seawater. The grey mullet showed no significant differences for sodium, chloride and potassium concentrations during experimental period. However, those of the Nile tilapia were significantly increased when exposed to seawater. The osmolality of grey mullet ranged between 293.5 mOsm/kg and 335.0 mOsm/kg for the whole experimental period.