The effect of supplementation of Lactococcus lactis strain as probiotic on the growth and survival of Litopenaeus vannamei

Baharuddin, Nur Alya Syafiqah and Wan Abdul Ghani, Wan Alia and Che Omar, Siti Fairuz and Nawi, Mohd Firdaus and Tengku Abdul Hamid, Tengku Haziyamin (2023) The effect of supplementation of Lactococcus lactis strain as probiotic on the growth and survival of Litopenaeus vannamei. In: 6th International Conference on Molecular Biology & Biotechnology 2023, 7th - 9th June 2023, Online. (Unpublished)

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Abstract

Introduction: Acute Hepatopancreatic Necrosis Disease (AHPND) or Early Mortality Syndrome (EMS) is a bacterial disease in shrimps caused by pathogen Vibrio parahaemolyticus. It has culminated in huge loss in global shrimp production due to mass mortality. A probiotic strain Lactococcus lactis strain FA1 was recently isolated from shark intestine, showing inhibition towards the growth of the pathogen. Due to inhibitory potential, the effect of probiotics strain on growth performance of shrimp infected with V. parahaemolyticus was evaluated. Methods: The probiotic strain was incorporated into feed for juvenile shrimps Litopanaeus vannamei for 3 weeks before which they were then challenged with pathogen Vibro parahaemolyticus. The study compares 4 shrimp groups: Control (Without any treatment); Group A (Probiotic treated, uninfected); Group B (Probiotic treated, infected) and Group C (No probiotic, infected). The survival and growth performance (weight and length gain) of shrimps were evaluated in the following 30 days. Statistical analyses (ANOVA; Post Hoc Tukey) were used to compare between shrimp groups. Results: In general, infected shrimp demonstrated some of the key symptoms of AHPND (pale or white hepatopancreas), transparent body and erratic swimming behaviour. The supplementation of probiotics resulted in a reduced mortality for infected shrimp. The probiotic treated shrimp group significantly (P value< 0.05) showed a better weight gain, compared to both infected and uninfected group. Meanwhile, some of the infected shrimps were able to show recovery from infection. Conclusions: This indicated that the strain Lactococcus lactis is highly suitable for use as the future probiotic in shrimp aquaculture.

Item Type:	Conference or Workshop Item (Slide Presentation)
Uncontrolled Keywords:	Early mortality syndromes (EMS), shrimp probiotics, Lactococcus lactis, Litopenaeus vannamei
Subjects:	Q Science > QR Microbiology S Agriculture > SH Aquaculture. Fisheries. Angling
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Science > Department of Biotechnology Kulliyyah of Science Kulliyyah of Science > Department of Marine Science
Depositing User:	Dr Tengku Haziyamin Tengku Abd Hamid
Date Deposited:	12 Jun 2023 16:16
Last Modified:	12 Jun 2023 16:16
URI:	http://irep.iium.edu.my/id/eprint/105018

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