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Salinity tolerance of Pangasianodon hypophthalmus in inland saline water: Effect on growth, survival and haematological parameters

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Title Salinity tolerance of Pangasianodon hypophthalmus in inland saline water: Effect on growth, survival and haematological parameters
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Creator Kumar, A*., Harikrishna, V., Reddy, A.K., Chadha, N.K., Babitha, Rani, A.M.,
 
Subject Salinity stress, Inland saline water, P. hypophthalmus, Osmoregulatory capacity
 
Description Not Available
The present study was carried out to find the suitable salinity for growth performance and survival of Pangasianodonhypophthalmus (Sauvage, 1878) in inland saline water. P. hypophthalmus (0.41±0.03g) 225 fishes were stocked in five treatments in triplicate for 60 days. The experimental design consisted of freshwater as control and inland ground saline water with salinities 5,10,15, 20 and 25 ppt as treatment groups T1, T2, T3,
T4 and T5 respectively .The results indicate that P. hypophthalmus can tolerate the salinities up to 15 ppt in inland saline water where as 100% mortality was observed treatments (20 ppt) and (25 ppt) after 48 hours and 18 hours respectively. Osmotic study using serum osmolality, water osmolality, and osmoregulatory capacity indicated that, P. hypophthalmus cannot survive at higher salinities. The stress level in the animals
at higher salinities is indicated by higher blood urea level, reduction in total serum protein, variable calcium and magnesium concentration in serum and histological studies. Though P. hypophthalmus survived up to 15 ppt but the optimum salinity for culture is 10 ppt in inland saline water.
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Date 2022-06-20T09:04:26Z
2022-06-20T09:04:26Z
2016-10-31
 
Type Research Paper
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/73244
 
Language English
 
Relation Not Available;
 
Publisher Research Gate