Acta Veterinaria et Zootechnica Sinica ›› 2025, Vol. 56 ›› Issue (7): 3433-3441.doi: 10.11843/j.issn.0366-6964.2025.07.035

• Preventive Veterinary Medicine • Previous Articles     Next Articles

Preparation of Monoclonal Antibodies to IBDV and Establishment of a Double Antibody Sandwich ELISA Method for Detection

JIANG Yanping1,2(), LIU Wei2, GONG Haoyang2, CAI Limeng2, LI Jiaxuan2,3, CUI Wen2,3, ZHOU Han2,3, HAN Jianchun1,*(), TANG Lijie2,3,*()   

  1. 1. Heilongjiang Green Food Science Research Institute, Harbin 150028, China
    2. College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
    3. Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Harbin 150030, China
  • Received:2024-09-30 Online:2025-07-23 Published:2025-07-25
  • Contact: HAN Jianchun, TANG Lijie E-mail:jiangyanping8198@163.com;hanjianchun@hotmail.com;tanglijie@163.com

Abstract:

The aim of this study was to establish a rapid and effective method for detecting infections bursal disease virus (IBDV), monoclonal antibodies were prepared using the whole IBDV as the immunogen. Double antibody sandwich ELISA method was established using monoclonal antibody 6G3 as the capture antibody and monoclonal antibody 4C12 as the detection antibody for the detection of IBDV. The results showed that the ELISA method had good specificity and no cross-reaction with REV, AEV, ALV or EDSV. The sensitivity test showed that the minimum detectable amount of IBDV is 1.585×103ELD50. The results of inter and intra plate repeatability tests showed that this method had good repeatability. Forty-nine clinical samples were detected by the double antibody sandwich ELISA method and commercial IBDV antigen detection card, and the coincidence rate was 94.18%. In conclusion, the double-antibody sandwich ELISA method established in this study has good specificity, sensitivity and repeatability, and can be used for rapid detection of IBDV. Thus, laysing the foundation for the development of a commercial IBDV detection kit.

Key words: IBDV, monoclonal antibody, detection method, double antibody sandwich ELISA

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