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Animal Nutrition and Feed Technology
Year : 2024, Volume : 24, Issue : 2
First page : ( 303) Last page : ( 317)
Print ISSN : 0972-2963. Online ISSN : 0974-181X.
Article DOI : 10.5958/0974-181X.2024.00024.0

Feeding of graded levels of lipid to gift juveniles cultured in inland ground saline water (Igsw): Changes in growth, metabolism and antioxidant status

Paul Mritunjoy1,2, Sardar Parimal1,*, Sahu Narottam Prasad1, Jana Prasanta1,3, Deo Ashutosh Dharmendra1, Shamna Nazeema1, Varghese Tincy1, Mannur Vijayakumar Sidramappa1

ICAR-Central Institute of Fisheries Education, Kolkata Centre 32, GN Block, Sector-V, Salt Lake City, Kolkata-700091, India

1Fish Nutrition Biochemistry and Physiology Division, ICAR-Central Institute of Fisheries Education, Panch Marg, Off Yari Road, Versova, Mumbai-400 061, India

2Marine Fisheries and Technology Station, Bangladesh Fisheries Research Institute, Cox's Bazar-4700, Bangladesh

3Department of Aquaculture, College of Fisheries Science, Gumla, Birsa Agricultural University, Ranchi-835207, India

*Corresponding author: parimalsardar0001@gmail.com/parimalsardar@cife.edu.in

Online Published on 24 May, 2024.

Abstract

A 60 days experiment was conducted to study the effect of different dietary lipid levels viz., TL4, TL6, TL8, TL10, TL12, TP14 and TL16 on growth, hemato-biochemical, metabolic responses and anti oxidative status of GIFT tilapia juveniles reared in inland ground saline water (IGSW) of 15 ppt salinity. In indoor tank rearing system, a random distribution of 315 acclimatized fish (average BW 1.90±0.01g) @15 fish/tank was done in seven groups in triplicates. The results indicated that, the weight gain, metabolic growth rate, FER, ANPU and AST and ALT (hepatic and muscle) activities were increased (P<0.05) with increase in dietary lipid up to 10% and then decreased. Hepatic and muscle LDH activities significantly (P<0.05) decreased linearly with increasing dietary lipid. Significantly (P<0.05) higher SOD and CAT activities in both liver and gill was found in TL10 group. Hepatic MDA content was lowest (P<0.05) in TL4 and highest in TL16 group. There was no significant (P>0.05) difference in liver and muscle MDH and haemato-biochemical parameters in relation to dietary lipid levels.. The present findings conclude that 10% dietary lipid is ideal to support growth, nutrient utilisation, metabolic and antioxidative status of GIFT tilapia juveniles reared in dynamic IGSW.

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Keywords

Antioxidative enzymes, Dietary lipid, GIFT (Tilapia), Growth, Inland ground saline water.

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