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鲮鱼在广东是传统的水产养殖品种 ,其生长速度较慢 ,要长成 0 5ｋｇ的个体需要 2～ 3年时间。由于鲮鱼耐寒力差 ,安全越冬就成为鲮鱼养殖的难题。1 鲮鱼的生长与气候特点 鲮鱼适宜生长温度 2 5～ 30℃ ,低于 2 0℃时摄食和活动减少 ,低于 7℃时便会冻死。三水市一般每年 3
Anchovy is a traditional aquaculture species in Guangdong, its growth rate is slow, it takes 2 to 3 years to grow into an individual of 0 5kg. Due to poor cold hardy catfish, safe winter has become a problem catfish farming. 1 catfish growth and climate characteristics catfish suitable growth temperature 25 ~ 30 ℃, less than 20 ℃ when feeding and activity decreased, less than 7 ℃ will be frozen to death. Sanshui generally 3 per year