Aquaculture industry prospective from gut microbiome of fish and shellfish: An overview

Diwan, A D and Harke, S N and Krishna, Gopal and Panche, A N (2021) Aquaculture industry prospective from gut microbiome of fish and shellfish: An overview. Journal of Animal Physiology and Animal Nutrition. pp. 1-29. ISSN 1439-0396

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Abstract

A 45-day feeding experiment was conducted to determine the effect of dietary free gossypol on hematological and biochemical response of snubnose pompano, Trachinotus blochii. Fishes with the average weight of 11.43 ±0.25 g were randomly stocked in five treatments each with triplicates. Five isonitrogenous and isolipidic diets with graded level of free gossypol (0, 0.2, 0.5, 1 and 2 g/kg) were formulated and fed to respective treatments. There was significant difference (P<0.05) in moisture, ether extract, total ash and nitrogen free extract content among the treatments. There was no significant difference (P>0.05) in the hematological response among the treatments. Higher levels of hemoglobin, RBC, HCT and MCHC values were observed in control group. Lipid biochemical profile in terms of total lipid, triglycerides and very low density lipoprotein showed significant difference (P<0.05) among the treatments. However, serum cholesterol, phospholipids, high density lipoprotein and low density lipoprotein levels did not showed significant difference among the treatments (P>0.05). As a conclusion, based on the second degree polynomial regression analysis of serum lipid biochemical parameters such as total lipids and high density lipoprotein levels indicates that snubnose pompano can tolerate upto 1.2 g of free gossypol per kg diet without any adverse effect on general health.

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