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Dietary ascorbic acid requirement for growth of striped catfish, Pangasianodon hypophthalmus (Sauvage, 1878) juveniles.

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Title Dietary ascorbic acid requirement for growth of striped catfish, Pangasianodon hypophthalmus (Sauvage, 1878) juveniles.
Not Available
 
Creator Daniel N, Muralidhar AP, Srivastava PP, Jain KK, Prasad KP, Manish J, Sivaramakrishnan T
 
Subject ascorbic acid, growth, L-ascorbyl-2-polyphosphate, Pangasianodon hypophthalmus, vitamin C requirement
 
Description Not Available
A sixty-day feeding trial was conducted to determine the ascorbic acid (AA) requirement for growth of striped catfish, Pangasianodon hypophthalmus juveniles. Seven isonitrogenous and iso-energetic (370 g protein per kg and 19.6 MJ/kg) purified diets
were prepared with different levels of ascorbic acid such as control (0), T1 (17.5), T2
(35), T3 (70), T4 (175), T5 (350) and T6 (700) mg ascorbic acid (L-ascorbyl-2-
polyphosphate) equivalent per kg diet. Fish with a mean body weight of 3.2–3.4 g
were stocked (fifteen fish per tank) in triplicates following a completely randomized
design. Each group was fed to satiation twice a day for 60 days. Significant differences
were observed in growth, survival, body composition and metabolic enzymes activities
with different dietary ascorbic acid levels. Maximum weight gain, specific growth rate
(SGR) and protein efficiency ratio (PER) were found in fishes fed with 35 mg AA per kg
diet, supported by best feed conversion. Fish fed a diet containing vitamin C had the
highest activities of aspartate aminotransferase (AST), alanine aminotransferase (ALT)
and alkaline phosphatase (ALP) compared to those fed with vitamin C-depleted diets.
In this study, based on using broken-line regression analysis, the dietary vitamin C
requirement for growth of P. hypophthalmus juveniles was estimated to be in the range
of 46–76 mg AA per kg, depending on the criterion used, growth and liver storage.
Our results will be helpful for the formulation of cost-effective ascorbic acid incorporated diets for striped catfish, P. hypophthalmus
Not Available
 
Date 2022-06-18T05:55:25Z
2022-06-18T05:55:25Z
2017-05-11
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/72893
 
Language English
 
Relation Not Available;
 
Publisher WILEY