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Chinese Agricultural Science Bulletin ›› 2025, Vol. 41 ›› Issue (12): 158-164.doi: 10.11924/j.issn.1000-6850.casb2024-0673

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Common Bacterial Diseases of Litopenaeus vannamei and Biological Control Measures

HUANG Ju1(), DENG Hua1, HOU Yuee1, BA Juan2, YANG Hong1()   

  1. 1 School of Animal Science and Technology, Foshan University, Foshan, Guangdong 528000
    2 Zhuhai Kerric Testing Technology Co. Ltd, Zhuhai, Guangdong 519000
  • Received:2024-11-08 Revised:2025-02-12 Online:2025-04-25 Published:2025-04-24

Abstract:

As an important economic shrimp species, the Litopenaeus vannamei is frequently affected by bacterial diseases, especially Vibriosis (including Vibrio parahaemolyticus, Vibrio alginolyticus, Vibrio harveyi, Vibrio cholerae, etc.) during intensive aquaculture. This represents a significant risk to the long-term sustainability of aquaculture. With the widespread use of antibiotics, resistance genes of pathogenic bacteria are prevalent and widespread in the aquatic environment, posing new challenges to the prevention and treatment of Vibriosis. Therefore, it is extremely important to emphasize the maintenance of aquaculture environment and water quality monitoring. This review describes a series of biological control measures, including the use of biofloc technology, probiotics, antimicrobial peptides, quorum sensing inhibitors, and the use of biological control methods such as Bdellovibrio and like organisms and bacteriophage. The combination of biofloc technology and probiotics can improve water quality and enhance immunity. However, it is greatly affected by the environment, making it difficult to control the stability of bacteria flora. Antimicrobial peptides exhibit a broad spectrum of antibacterial activity, and they are safe and not easily resistant to drugs. However, they are difficult to preserve and have a high cost. Quorum-sensing inhibitors provide precise prevention and treatment with minimal environmental impact, but the mechanism research on them is limited. Bdellovibrio are effective at lysing Gram-negative bacteria but have a poor effect on Gram-positive bacteria and grow slowly. Bacteriophages are highly specific but have a narrow host range. Although these biological control measures are less effective than antibiotics, they are environmentally friendly, less prone to drug resistance, and aim to reduce chemical drug dependency, protect the ecosystem, and improve aquaculture efficiency. In the future, innovative and sustainable biological control technologies should be developed to address the challenges posed by pathogenic bacterial resistance and environmental protection.

Key words: bacterial diseases, Vibrio, probiotics, biological control, Litopenaeus vannamei