Cellular and molecular immune response and production performance of Indian white shrimp Penaeus indicus (H. Milne-Edwards, 1837), reared in a biofloc-based system with different protein levels of feed

The present study focuses on the immunity and growth of Penaeus indicus fed with varying protein levels (25%, 30%, and 35%) in a biofloc based rearing system. A 120 days growth trial was carried out using juvenile Penaeus indicus (0.71 ± 0.01) with dietary protein level, 25% (LP), 30% (MP), and 35%...

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Published in:Fish & shellfish immunology 2021-12, Vol.119, p.31-41
Main Authors: Panigrahi, A., Das, R.R., Sundaram, M., Sivakumar, M.R., Jannathulla, R., Lalramchhani, C., Antony, Jose, Shyne Anand, P.S., Vinay Kumar, K., Jayanthi, M., Dayal, J.S.
Format: Article
Language:English
Subjects:
Animal Feed - analysis
Animals
Antimicrobial Peptides
Aquaculture
Biofloc
Diet - veterinary
Dietary Supplements
FCR
FER
Flour
Immunity
Immunity, Innate
Immunomodulation
Lysozyme
Muramidase
Penaeidae - genetics
Penaeus indicus
Phenoloxidase
RNA, Messenger
Superoxide Dismutase
Triticum
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Summary:The present study focuses on the immunity and growth of Penaeus indicus fed with varying protein levels (25%, 30%, and 35%) in a biofloc based rearing system. A 120 days growth trial was carried out using juvenile Penaeus indicus (0.71 ± 0.01) with dietary protein level, 25% (LP), 30% (MP), and 35% (HP), and a control diet-fed with 35% acted as control group resulting in 4 treatments each with four replicates and were randomly assigned 16 tank units (7500 L each). A combination of different carbon sources (molasses, wheat flour, and rice bran in 2:1:1 ratio), yeast and a probiotic (Bacillus sp.) consortium were used for the development of biofloc. At the end of the trial, the growth parameters of shrimps viz., initial weight, feed conversion ratio (FCR), and daily growth coefficient (DGC) were computed. The results indicated that shrimp fed with medium (30%) protein (MP) diet recorded significantly (P 
ISSN:1050-4648
1095-9947
DOI:10.1016/j.fsi.2021.09.002