Milkfish price has been decreasing in recent years.To select larger milkfish fries with white shrimps to have polyculture of the two for one year and two seasons will bring maximum profits.

• 而以近年来虱目鱼价格逐渐下滑的状况来说，选择放养体型较大之虱目鱼苗，配合白虾收成，藉此达到1年2季的虱目鱼与白虾混养，对于虱目鱼养殖产业可获取最大利益。