Fish Shellfish Immunol 2021 May 17;115:14-21. Epub 2021 May 17.
College of Animal Science and Technology, Northwest A&F University, Xinong Road 22nd, Yangling, Shaanxi, 712100, China. Electronic address:
The heavy use of prophylactic antibiotics in aquaculture leads to elevated antibiotic residues, posing a huge hidden danger in aquaculture products and other natural aquatic environments. Therefore, this study aims to isolate probiotics that can replace antibiotics from the gut of grass carp for disease control. Bacillus velezensis B8 was isolated from the gut of grass carp and showed broad-spectrum antimicrobial activity against several fish pathogenic bacteria, including Aeromonas hydrophilis, Aeromonas veronii, Vibrio parahaemolyticus, Escherichia coli, Edwardsiella tarda and Vibrio mimicus. Read More