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http://krishi.icar.gov.in/jspui/handle/123456789/73084
Title: | Optimal dietary protein requirement of juvenile GIFT Tilapia (Oreochromis niloticus) reared in inland ground saline water |
Other Titles: | Not Available |
Authors: | Paul M, Sardar P*, Sahu NP, Varghese T, Shamna N, Harikrishna V, Jana P, Singha KP, Krishna G |
ICAR Data Use Licennce: | http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf |
Author's Affiliated institute: | ICAR: Central Institute of Fisheries Education |
Published/ Complete Date: | 2021-09-01 |
Project Code: | Not Available |
Keywords: | Gene expression, GIFTTilapia, Growth metrics, Inland Ground Saline Water |
Publisher: | Triveni Enterprises |
Citation: | Not Available |
Series/Report no.: | Not Available; |
Abstract/Description: | Aim:The present study was conducted to optimize the dietary protein level in the diet of Genetically Improved Farmed Tilapia reared in inland ground saline water (IGSW) of 15 ppt ambient salinity. Methodology: Seven iso-caloric (400 kcal digestible energy, DE/100g), iso-lipidic (6%) and hetero-nitrogenous (20-50% crude protein, CP) purified diets were prepared for conducting the feeding trial. Following completely randomized design, the random distribution of 315 acclimatized fish (average body weight 4.01±0.01g) was made in seven groups namely, CP , CP , CP , 20 25 30 CP , CP , CP and CP in triplicate with the stocking density of 15 35 40 45 50 fish per replicate tank. Results:Weight gain percentage, specific growth rate, and expression of insulin like growth factor-I and insulin like growth 2 factor-I receptor with higher quadratic relation (R =0.94, 0.96, 0.90 and 0.93, respectively) to the dietary crude protein (CP) level significantly increased (p<0.05) up to 40% crude protein and beyond that the values significantly decreased. With higher 2 quadratic (R =0.83) relation, muscle RNA/DNA ratio was significantly highest in 40% crude protein fed group. With higher 2 quadratic (R =0.81 and 0.98, respectively) relations, significantly higher protease and lower amylase activities were found in 40, 45 and 50% crude protein fed groups. Interpretation: Second order polynomialregression analysis based onWG%,SGRand IGF-I gene expression revealed that the optimumdietary protein for GIFTjuveniles could be 41.84, 40.66 and 42.22%, respectively.This datawill be helpful for development of economic and environment-friendly feed for GIFT tilapia culture in inland ground saline waterof mediumsalinity |
Description: | Not Available |
ISSN: | Not Available |
Type(s) of content: | Research Paper |
Sponsors: | Not Available |
Language: | English |
Name of Journal: | Journal of Environmental Biology |
Journal Type: | International |
NAAS Rating: | 6.56 |
Impact Factor: | 0.56 |
Volume No.: | 43 (2) |
Page Number: | 15-21 |
Name of the Division/Regional Station: | Not Available |
Source, DOI or any other URL: | Not Available |
URI: | http://krishi.icar.gov.in/jspui/handle/123456789/73084 |
Appears in Collections: | FS-CIFE-Publication |
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