Lactococcus garvieae as a Novel Pathogen in Cultured Pufferfish (Takifugu obscurus) in China

• Published in: Fishes Vol. 9; no. 10; p. 406
• Main Authors: Xu, Ruilong, He, Zhongning, Deng, Yiyang, Cen, Yihao, Mo, Zequan, Dan, Xueming, Li, Yanwei
• Format: Journal Article
• Language: English
• Published: Basel MDPI AG 01.10.2024
• Subjects: Ampicillin; Antibiotics; Aquaculture; Atrophy; Bacteria, Pathogenic; Blood cells; Cephalexin; Chloramphenicol; Ciprofloxacin; Disease outbreaks; Doxycycline; Edema; Environmental aspects; Erythrocytes; Fin rot; Fins; Fish; Fish diseases; Genetic aspects; Gentamicin; Gram-positive bacteria; Haemolysis; Haemorrhage; Hemorrhage; Histopathology; Husbandry diseases; Identification; Identification and classification; Kanamycin; Kidneys; Lactococcus; Lactococcus garvieae; Lymphocytes; Marine fishes; Morphology; Mortality; Necrosis; Outbreaks; pathogenicity; Pathogens; pathological analysis; Physiological aspects; Physiology; rRNA 16S; Sensitivity analysis; Spleen; Swimming; Takifugu obscurus; Virulence; Virulence factors; China; Japan

In October 2023, a disease outbreak in pufferfish (Takifugu obscurus) farms in Zhongshan City, Guangdong, China, caused high mortality. Diseased fish (mean length: 15 ± 1 cm) exhibited swimming disorders, fin rot, hemorrhage, and an enlarged spleen. Histopathological observations generally revealed...