摘要
6月上中旬采捕于荣成海域的魁蚶,在常温条件下,投喂小球藻和小新月菱形藻,经11天促熟便可自然产卵。幼虫培育主要用湛江等鞭金藻和小球藻混投,育成率达55.6%,340m3水体出壳长700μm以上稚贝20.1亿粒(591.2万粒/m3),经40余天海上保苗出商品苗3.52亿粒(103.53万粒/m3),保苗率17.5%。
The parent shellfish captured in Rongcheng sea area was fed with chlorella and Nitzschia closterium under normal temperature, after 11 days they were mature and spawned. The larvae were fed alternately with isochrysidaceae and chlorella. In the water body of 340 m3,2.01 billion larvae whose size was 700 μm was obtained, the survival rate was 55.6%. After 40 days temporary culture in the sea area, 352 million market size juvenile clam was yield.
出处
《齐鲁渔业》
2003年第3期10-11,共2页
Shandong Fisheries
关键词
魁蚶
常温育苗
养殖
海水养殖
Scapharca broughtonii (Schrenck)
seed rearing under normal temperature
high yield technology