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|Title: ||The effect of unilateral and bilateral eyestalk ablation on haemolymph osmotic and ionic regulation and gill Na, K-ATPase activity in Marsupenaeus japonicus|
|Authors: ||F. H. NAN;M. H. HONG;C. L. LU;S. S. SHEEN|
|Issue Date: ||2016-08-30T01:52:47Z
|Abstract: ||Abstract: The effects of eyestalk ablation on osmotic and ionic regulation and Na+, K+-ATPase activity of Marsupenaeus japonicus were investigated in a period of 24 hrs. The osmolarity, potassium, and calcium concentration were high in the shrimps treated bilaterally, intermediate in the shrimps that were treated unilaterally, and low in the intact shrimps, while all those values of eyestalk ablated shrimps increased with increasing treatment time. However, the haemolymph sodium and chloride concentra- tion of eyestalk ablated shrimps were lowered, and also decreased further with increasing treatment time. The bilaterally and unilaterally ablated shrimps had higher total ATPase and Na+, K+-ATPase activities in the gills than the intact shrimp, and the ATPase activities of the ablated ones were raised with increasing treatment time up to 16 hrs. Therefore, eyestalk ablation of shrimps causes changes in the osmotic and ionic regulation, and also affects the Na+, K+-ATPase activity of the gills.|
|Appears in Collections:||[水產養殖學系] 期刊論文|
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