Mixed culture experiment of Western hybrid sturgeon(Acipenserbaerii ♀×A.schrenckii ♂)and Polyodon spathula in north China
In order to make reasonable use of aquaculture water bodies and improve the comprehensive efficiency of sturgeon pond aquaculture,a mixed culture experiment of hybrid sturgeon(Acipenserbaerii ♀×A.schrenckii ♂)and Polyodon spathula was conducted in Nadanbo Town,Dongfeng County,Liaoyuan City.The hybrid sturgeon(Acipenser-baerii ♀×A.schrenckii ♂)(725 g/tail)lives in the the bottom of the cultured water.Polyodon spathula(468.8 g/tail)lives in the middle and upper layers of cultured water.Fish fry were domesticated in a 5-acre pond for 120 days.The adult size of the hybrid sturgeon(Acipenserbaerii ♀×A.schrenckii ♂)was 2.1 kg/tail.The adult size of Polyodon spathula was 1.75 kg/tail.Per unit yield of pond was 640 kg/acre.Profit per unit area was 3774.4 yuan/acre.
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