The impact of indoor biofloc-based system on water quality, growth, and disease resistance of black tiger shrimp

IF 3.6 2区农林科学 Q2 AGRICULTURAL ENGINEERING

Aquacultural Engineering Pub Date : 2025-05-08 DOI:10.1016/j.aquaeng.2025.102564

Leobert D. de la Peña , Erish G. Estante-Superio , Therese Marie M. Geanga , Jose Louis A. Castellano , Christian P. Cordero , Sharmen C. Berlin , Carlo C. Lazado

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Abstract

The present study investigates the efficiency of an indoor biofloc-based system for the intensive culture of black tiger shrimp (Penaeus monodon). Water quality, growth performance, and disease resistance of black tiger shrimp (0.35 ± 0.07 g) were evaluated after 90 days of rearing in a zero-water exchange system. Shrimp were stocked at 180 individuals/m³ in nine 5-ton concrete tanks under three treatments: biofloc with molasses (M), biofloc with wheat flour (WF), and a control group reared in a conventional clear water (CW) flow-through system. The WF treatment resulted in significantly higher final weight and improved FCR compared to CW (p < 0.05). Survival was also significantly higher in both biofloc-based treatments despite elevated concentrations of total ammonia nitrogen, nitrite-nitrogen, and nitrate-nitrogen levels in the WF group (p < 0.05). Additionally, Kaplan–Meier survival analysis indicated that shrimp reared and challenged in the biofloc system exhibited better resistance to Vibrio parahaemolyticus (VP_AHPND1212), as evidenced by higher survival rates. Although total hemocyte count, prophenoloxidase, and respiratory burst activities were not significantly different from the control group (p > 0.05), they were consistently elevated in the biofloc-based treatments. Overall, biofloc-based treatments, specifically WF, proved effective in biofloc formation, contributing to improved water quality, enhanced immune response and disease resistance, and superior growth performance in P. monodon. This study highlights the potential of indoor biofloc systems as a sustainable strategy for intensive P. monodon culture in indoor biofloc tanks.

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室内生物絮团系统对黑虎虾水质、生长及抗病性的影响

本研究探讨了室内生物絮团集约化养殖黑虎对虾（Penaeus monodon）的效率。在零换水系统中饲养90 d后，评价黑虎对虾的水质、生长性能和抗病性（0.35 ± 0.07 g）。在9个5吨混凝土水箱中，以180只/m3的速度放养对虾，分三种处理：添加糖蜜的生物絮团(M)、添加小麦粉的生物絮团（WF）和在常规清水（CW）水流系统中饲养的对照组。WF处理显著提高了末重，提高了FCR （p <； 0.05）。尽管WF组总氨氮、亚硝酸盐氮和硝酸盐氮浓度升高，但两种生物絮团处理的存活率也显著提高（p <； 0.05）。此外，Kaplan-Meier生存分析表明，在生物群落系统中饲养和攻毒的对虾对副溶血性弧菌（VPAHPND1212）具有更好的抗性，存活率更高。虽然总血细胞计数、酚氧化酶原和呼吸爆发活动与对照组没有显著差异（p >； 0.05），但在生物絮团治疗中，它们持续升高。总体而言，基于生物絮团的处理，特别是WF，在生物絮团形成方面被证明是有效的，有助于改善水质，增强免疫反应和抗病性，以及单毛单藻的优越生长性能。本研究强调了室内生物絮团系统作为室内生物絮团池中密集培养单毛单胞菌的可持续策略的潜力。

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来源期刊

Aquacultural Engineering 农林科学-农业工程

CiteScore

8.60

自引率

10.00%

发文量

审稿时长

>24 weeks

期刊介绍： Aquacultural Engineering is concerned with the design and development of effective aquacultural systems for marine and freshwater facilities. The journal aims to apply the knowledge gained from basic research which potentially can be translated into commercial operations. Problems of scale-up and application of research data involve many parameters, both physical and biological, making it difficult to anticipate the interaction between the unit processes and the cultured animals. Aquacultural Engineering aims to develop this bioengineering interface for aquaculture and welcomes contributions in the following areas: – Engineering and design of aquaculture facilities – Engineering-based research studies – Construction experience and techniques – In-service experience, commissioning, operation – Materials selection and their uses – Quantification of biological data and constraints