Antibiotic resistance of bacteria isolated from shrimp hatcheries and cultural ponds on Donghai Island, China

► We evaluate the incidence of antibacterial resistance to 12 antibiotics on Donghai Island, China. ► The utilizations of antibiotics are extensive in shrimp maricultural ponds and hatcheries. ► Antibiotic-resistant bacteria are widespread due to cross-pollution, indicating a high environmental risk.