open access

https://hdl.handle.net/2115/38555

Selection of brood stock candidates of barfin flounder using an ELISA system with recombinant protein of barfin flounder nervous necrosis virus

英語

ELISA antibody titer

2000-07-14

Inter-Research

Diseases of Aquatic Organisms

41(3)

219-223

Barfin flounder nervous necrosis virus (BFNNV), the causative agent of viral nervous necrosis (VNN) of barfin flounder, is vertically transmitted from spawners to larvae. In the present study, an ELISA with a recombinant protein of BFNNV was performed for the detection of antibodies against BFNNV and applied for the selection of brood fish in order to prevent viral vertical transmissions. Brood stocks were divided into 4 groups based on ELISA antibody titers (≤10, 20, 40 and >40), and t BFNNV status of the brood stocks was determined by PCR. BFNNV was detected from the brood fish in the group with an antibody titer of >40 but not from those with titers ≤10, 20 and 40. The offspring obtained from PCR-negative brood fish pairs in ea group of ELISA antibody titers were subsequently reared for observation of VNN occurrence. VNN occurred in juveniles from 2 of 9 pairs of spawners with an antibody titer ≥40, but did not occur in spawners with an antibody titer of ≤10. Therefore, it concluded that selection of brood fish using both the PCR test and ELISA antibody titers could help prevent vertical transmission of BFNNV in larval production of barfin flounder.

学術雑誌論文

Version of Record

© 2000 Inter-Research

0177-5103

1616-1580

AA10443976