在養殖過程中進行魚苗篩選具有以下的優點:
1.避免體型差異過大導致殘食。
2.降低放養密度促進成長。
3.減少魚苗因攝食強度不一造成體型參差過大。
4.篩選分別後體型較大之魚苗可先行放流,體型較小者可持續蓄養至體型較大後放流。
在篩選魚苗時會利用不同尺寸之篩網,包含6分、8分、1吋等。
The benefits of screening fish larvae:
1. Avoid the strong fish preying on the weak ones.
2. Make an appropriate density of larvae to promote growing.
3. Keep larvae getting same quantity food to grow in a similar size.
4. After fish larvae screening, the bigger larvae could be released first and the smaller ones kept cultivating to the releasing size.
Screen the fish larvae with different sizes of screen meshes.