Date 2021/09/10
(更新 2017/01/05)
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Stage zero The shrimp eggs with semination is about 0.2mm ( see fig 1 ), in the sea-water with temparature about 25 °C~28 °C, it is about half hour, then begin to do segmentation or cell division. The divided cell then begin to divide into quart- divided cell ( see fig 2 ), then eight- divided cell, sixteen-divided cell . . . . as such. Stage one In the stage of zoea 1. it is about 0.3mm, sigle eye and have 3 couples of musculus longus capitis on head. In this stage, it does not eat anything within about two day, it begin to eat this is what so called "the passing through feeds" and there eater the next stage. Stage two In this stage, the larvae begin to eat, but it afraid of light. So, we should provide a darker environment for them, using IY MIAO PAO that is the best sea-water sheetering color to make the darker environment and enchance the exist rate. The larva after 6 times exuviation, it will enter the next stage. Stage three After 3 times exuviation, then enter this stage.This is what we called "up side down stage". In this stage, the larvae start to chase around little wan bitle creature like Brine Shrimp or called artemia. In this stage we can use artemia and IY MIAO PAO ( IPO 04 ), it will reduce the carnibility of the larvae and accelerated the digestion rate, provided more nutrition and enhance more health of larvae. Stage four When upside down stage after 3 times exuviated, the Larval enter the stage of swimming. In this stage use the IY MIAO PAO ( IPO 03 ) make the larval robostic and helth swimming leg. IY MIAO PAO provides the full nutrition for developing swimming pedes and this is the one of most important stage in the shrimp larval hatchery. Stage five After the swing stage, it's about 5~6 days it will enter a stage of adhesive. In this stage all the larval have an exclvsive on the rim of pond. In this stage keep on feeding IY MIAO PAO serial feeds, enhanced the ability of post larvae musculus longus. Stage six Passing 10~11day of adhesive stage the larval body show a color light red, so this stage called red stage. In this stage keep on feeding IY MIAO PAO serial feeds and you can prepare to sold them out for the next juvenile stage. Stage seven After red body stage keep on feeding IY MIAO PAO ( IPO 04 ) the juvenile shrimp turn into black shell. So it called the black shell stage it's about 2gm, you can sold out or put in the aduet pond and feeding IY MIAO PAO aduel feeds after 2~3 monthes, you can narvest the farm. |
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