Dietary protein requirement of white shrimp, Penaeus vannamei (Boone, 1931) juveniles reared in inland ground water of medium salinity.
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Title |
Dietary protein requirement of white shrimp, Penaeus vannamei (Boone, 1931) juveniles reared in inland ground water of medium salinity.
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Creator |
Jana P, Sahu NP, Sardar P, Shamna N, Varghese T, Deo AD, Harikrishna V, Paul M, Panmei H, Gupta G, Nanda C, Krishna G
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Subject |
growth, inland ground saline water, nutrient utilization, Penaeusvannamei, protein requirement
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Description |
Not Available
A 60-day feeding trial was conducted to evaluate the effect of dietary protein level on growth, digestive enzymes and haemato-biochemical responses of Penaeus van-namei juveniles in inland ground saline water (IGSW) of 15 ppt salinity. The acclimated shrimp (avge. wt., 4.03 ± 0.05 g) were randomly distributed into seven groups, viz. TCP20, TCP25, TCP30, TCP35, TCP40, TCP45 and TCP50, in triplicate with the stock-ing density of 15 shrimp per tank (275 L). Seven semi-purified hetero-nitrogenous (200–500 g crude protein/kg), iso-caloric (396 Kcal DE/100 g) and iso-lipidic (60 g/kg) diets were prepared for feeding the shrimp of respective group four times daily on satiation basis. Results indicated that the highest (p < 0.05) WG and SGR, and the lowest FCR were observed in TCP40 group. But PER and ANPU values decreased significantly (p < 0.05) with increasing dietary protein. Whole-body protein and ash contents varied significantly (p < 0.05) with an inverse relationship. Shrimps of TCP40group had the highest (p < 0.05) haemocyanin and serum total protein, while TCP20group showed the highest (p < 0.05) serum glucose. Serum cholesterol and triglycer-ide increased significantly (p < 0.05) with increasing dietary protein level up to 400 g protein/kg and beyond that these decreased gradually. Protease activity increased with increasing dietary protein level, but amylase activity showed an inverse trend. Second-order polynomial regression analysis in relation to WG, SGR and FCR indi-cated that 393.0–397.90 g protein/kg diet could be optimum for culture of P. va n-namei juveniles in IGSW of 15 ppt salinity. Not Available |
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Date |
2022-06-16T06:42:30Z
2022-06-16T06:42:30Z 2020-12-21 |
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Type |
Research Paper
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Identifier |
Not Available
Not Available http://krishi.icar.gov.in/jspui/handle/123456789/72650 |
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Language |
English
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Relation |
Not Available;
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Publisher |
WILEY
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