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Effects of different levels of dietary protein on the growth performance, nutrient utilization, digestive enzymes and physiological status of white shrimp, Litopenaeus vannamei juveniles reared in inland saline water.

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Title Effects of different levels of dietary protein on the growth performance, nutrient utilization, digestive enzymes and physiological status of white shrimp, Litopenaeus vannamei juveniles reared in inland saline water.
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Creator Talukdar A, Deo AD, Sahu NP, Sardar P, Aklakur Md, Harikrishna V, Prakash S, Shamna N, Jana P
 
Subject dietary protein, growth, inland saline water, Litopenaeus vannamei, physiological status, protein utilization
 
Description Not Available
A 60-day feeding trial was conducted to illustrate the effect of dietary protein lev-els on the growth and physio-metabolic responses of juvenile Litopenaeus vannameireared in inland saline water (ISW). Six isoenergetic (15 MJ/kg) and isolipidic (60 g/kg) diets with graded level of crude protein viz., 240 (T240), 260 (T260), 280 (T280), 300 (T300), 320 (T320) and 340 (T340) g/kg diet were formulated. Significantly higher (p< .05) weight gain (%), specific growth rate, with lower food conversion ratio were found in T320 and T340 groups. The protein utilizing efficiency and whole-body pro-tein content were significantly higher (p< .05) in the T320 group. Trypsin activity increased with the increasing dietary CP level but amylase activity decreased with the increasing dietary CP level. Transaminase enzymes, haemolymph protein and haemocyanin were elevated in T320 and T340 groups. The lactate dehydrogenase and malate dehydrogenase activities were significantly higher (p< .05) in the T240 group. Shrimp of T240 group had the lowest (p< .05) glycogen and total haemocyte count with highest (p< .05) haemolymph glucose and antioxidant enzymes activities than the other groups. Based on the results, feeding 320 g CP/kg is found to be opti-mum for supporting maximum growth and health status of L. vannamei reared in ISW at 8 g/L salinity. The finding of the present study will help in developing a low-cost feed for L. vannamei reared in ISW.
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Date 2022-06-16T08:08:28Z
2022-06-16T08:08:28Z
2020-09-01
 
Type Research Paper
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/72704
 
Language English
 
Relation Not Available;
 
Publisher WILEY