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Effect of water salinity on tissue mineralisation in Penaeus vannamei (Boone, 1931).

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Title Effect of water salinity on tissue mineralisation in Penaeus vannamei (Boone, 1931).
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Creator R. Jannathulla
J. Syama Dayal
K. Ambasankar
V. Chitra
 
Subject Daily value, Ionic profiles, Minerals, Penaeus vannamei, Salinity, Tissue mineralisation
 
Description Not Available
A 45-days indoor laboratory trial was performed with juveniles of Penaeus vannamei (3.11±0.64 g) to evaluate the effect
of salinity on mineral contents in different tissues. Juveniles of P. vannamei were acclimatised to different salinity levels of
3, 10, 20, 30, 40, 50 and 60‰, using sea salt or freshwater at the rate of 2‰ per day from the original salinity. A total of 45
pre-acclimatised shrimps were taken for each treatment with three replications. At the end of the experimental period, shrimps
were dissected to remove hepatopancreas, muscle and exoskeleton after collecting haemolymph; which were subjected
to mineral analysis by Inductively Coupled Plasma-Optical Emission Spectrometry (ICP-OES). Calcium deposition was
reduced by 55 and 40% in muscle and exoskeleton, respectively, whereas it increased by 142% in hepatopancreas of shrimp
reared in 60‰ compared to 20‰ salinity. Magnesium and sodium content increased with increasing salinity in all the
tissues except in muscle. Of all the macro elements, phosphorus (7.66 to 9.17 g kg-1 ) was high in muscle and calcium was
predominant in exoskeleton (44.30 to 79.98 g kg-1), while sodium dominated in haemolymph (159.34-327.73 mmol l-1)
compared to other elements. Shrimps reared in various salinities did not show significant difference in nutritional value
in terms of mineral content in muscle. Results indicated that P. vannamei is a very efficient osmoregulator in low saline
environment, in particular at 10 to 30‰ compared to the extreme high saline environment (60‰).
ICAR NICRA
 
Date 2021-01-25T05:18:22Z
2021-01-25T05:18:22Z
2020-04-01
 
Type Research Paper
 
Identifier Jannathulla, R., Syama Dayal, J., Ambasankar, K., Chitra, V. and Muralidhar, M. 2020. Effect of water salinity on tissue mineralisation in Penaeus vannamei (Boone, 1931). Indian J. Fish., 67 (1): 138-145 https://doi.org/10.21077/ijf.2019.67.1.74661-19
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http://krishi.icar.gov.in/jspui/handle/123456789/45009
 
Language English
 
Relation Not Available;
 
Publisher ICAR