Industry overview and development trend analysis of stream fish in Zhejiang Province
Zhejiang Province is the earliest province in China to develop and utilize stream fish,with the largest scale of aquaculture and market.This study comprehensively analyzes the current situation,main problems,and development trends of stream fish aquaculture industry based on on-site research,discussions,and production practices conducted for three consecutive years from 2020 to 2023 in Zhejiang Province.At present,Zhejiang Province has established a breeding and aquaculture system for stream fish,including provincial-level original breeding farms,seedling breeding farms,and aquaculture entities.The annual seedling breeding quantity has exceeded 500 million and the aquaculture production is 2 300 t.Pond aquaculture will be a key development of aquaculture model for stream fish in the future.Large scale seedling breeding of stream fish will be carried out using plain ponds,followed by two-stage aquaculture of commercial fish using factory recycled water or canvas ponds.Utilizing high-quality water resources in mountainous areas,ecological-clean aquaculture of commercial fish in plain ponds will become a key development of direction in the future.
stream fishaquaculture current situationtrend analysis