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池塘放养虹鳟鱼种,经过5个月的饲养,平均规格达到0.54公斤,折合每平方米产鱼7.3公斤。
Pond stocking rainbow trout species, after 5 months of breeding, the average size of 0.54 kg, equivalent to 7.3 kg per square meter of fish produced.