Advances in Zoology and Botany Vol. 12(3), pp. 168 - 175
DOI: 10.13189/azb.2024.120303
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Effect of Increasing Salinity on Labeo rohita Fed with Methionine and Selenium Fortified Feed

Pujadebi Bera , Tapas Kumar Ghosh ^*, Hiranmoy Dhara
Department of Aquaculture, West Bengal University of Animal & Fishery Sciences (WBUAFS), India

ABSTRACT

Increasing global population is a main reason for elevated demand of fish as an animal protein source nowadays. The present experiment was carried out to increase fish production in a sustainable way and to make salt tolerant aquaculture candidate species by providing fortified feed without harming the natural environment. Methionine and selenium were used as feed supplementation for 90 -day feeding trial in four groups: C (control with normal feed), T₁ (feed with Methionine), T₂ (feed with Selenium) and T₃ (feed with both Methionine and Selenium). Then salinity tolerance test was carried out by adding sea salt in all groups with fresh water. Both Methionine and Selenium (T₃) showed the best result with the FCR of 1.24 ±0.003 followed by T₁ (1.31 ±0.009), T₂ (1.62 ±0.004) and C (1.89 ±0.001). Conjointly they also improved growth performance, proximate composition, haematological parameters and enzymatic activity in rohu. During the second phase, though experimental fishes were affected showing reduced growth performance and physiological activity, the hinderances were lesser in test groups than in the control group. In control, rohu showed less than 50% mortality in 6 ppt whereas T₃ showed the same at 10 ppt salinity. Thus, these two ingredients: methionine and selenium can be used to culture rohu in salt affected area with a greater possibility for improving production.

KEYWORDS
Rohu, Growth, Salinity, Haematology, Metabolic Enzyme

Cite This Paper in IEEE or APA Citation Styles
(a). IEEE Format:
[1] Pujadebi Bera , Tapas Kumar Ghosh , Hiranmoy Dhara , "Effect of Increasing Salinity on Labeo rohita Fed with Methionine and Selenium Fortified Feed," Advances in Zoology and Botany, Vol. 12, No. 3, pp. 168 - 175, 2024. DOI: 10.13189/azb.2024.120303.

(b). APA Format:
Pujadebi Bera , Tapas Kumar Ghosh , Hiranmoy Dhara (2024). Effect of Increasing Salinity on Labeo rohita Fed with Methionine and Selenium Fortified Feed. Advances in Zoology and Botany, 12(3), 168 - 175. DOI: 10.13189/azb.2024.120303.