Pre- and post-challenge immuno-haematological changes in Labeo rohita juveniles fed gelatinised or non-gelatinised carbohydrate with n-3 PUFA

Fish & Shellfish Immunology
Sougat MisraS C Mukherjee

Abstract

The combined effect of dietary carbohydrate type and n-3 PUFA (EPA+DHA) on pre- and post-challenge haemato-immunological responses in Labeo rohita juveniles was studied. Fish were fed for 67days with six different test diets containing either gelatinised (G) or non-gelatinised (NG) corn (43%) with three levels of n-3 PUFA (0.5%, 1.0% and 2.0%). During the pre-challenge period, significantly higher (P<0.05) NBT, serum lysozyme activity, total protein and globulin content was recorded in the NG carbohydrate fed groups. Highest NBT value was recorded in the groups fed with 1.0% n-3 PUFA, whereas the highest serum lysozyme activity (P<0.05) was recorded at either 0.5% or 2.0% n-3 PUFA fed groups in both the pre- and post-challenge period. Feeding of NG corn significantly increased the total leucocyte count, lysozyme activity, A/G ratio and decreased the total erythrocyte count, haemoglobin, serum total protein and globulin content of L. rohita juveniles during the post-challenge period. Similarly, feeding of n-3 PUFA at any level significantly increased the immunological parameters like lysozyme activity or A/G ratio, whereas total leukocyte count increased due to feeding of either 0.5% or 1.0% n-3 PUFA. The NBT and albumin values ...Continue Reading

Citations

Mar 27, 2007·Fish & Shellfish Immunology·Vikas KumarShivendra Kumar
Oct 16, 2010·Veterinary Parasitology·Itziar EstensoroJaume Pérez-Sánchez
Jul 28, 2016·Fish & Shellfish Immunology·Jia-Lang ZhengChang-Wen Wu
Jul 10, 2017·Fish Physiology and Biochemistry·Siyavash Soltanian, Mohammad Saeed Fereidouni
Jun 21, 2019·Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution·Ishfaq Nazir MirK K Jain

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