论文部分内容阅读
鳜鱼受精卵孵化及鱼苗开食生长阶段的管理技术可概括为“三忌”与“三要”。“一忌”水质差:表现在水体中浮游生物过多,泥沙多,溶氧量偏低.温差大,给孵化管理带来难度。“二忌”饵料基:表现在适口饵料数量不足,且投喂量不均匀;饵料鱼规格不配套也影响了缓鱼苗摄食、生
The management techniques of hatching of the mandarin fish fertilized eggs and the growth phase of the fry can be summarized as “three bogey” and “three needs”. “A bogey” poor water quality: performance in the water plankton too much, more sediment, dissolved oxygen is low. Temperature difference, to hatch management difficult. “Two bogey” bait-based: manifested in the amount of paw feed is not enough, and the amount of feeding is not uniform; bait fish specifications do not support also affect the slow fish feed, raw