| 1. | Larval shrimp : good for larval shrimp from zoea stages to mysis stage and post - larval stages 投饲量依孵化槽内的幼鱼,虾之密度而增减
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| 2. | In the tank , this cichlid can be fed small feeder fish ( live or frozen ) , mysis shrimp , krill , and worms 水族箱内饲养的六间可以投喂小鱼(活鱼或者是冰冻) ,糠虾,鳞虾和面包虫。
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| 3. | For this reason , the water does not need to be changed so frequently . usually in water temperatures of 27 - 29 , with a salinity level of 32 0 00 the three phases of the mysis stage take 3 days to complete 通常在水温27 29度盐分32 %之下约3日即可脱下第三次皮而变成后期幼虫post larvae
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| 4. | 2 post - larvae also is the stage when larvae changes their food pattern - from suction to biting . certain kinds of stress occurring during metamorphorsis and stress due to certain larvae not having fully functioning enzyme glands 育苗大量毙死期多在眼幼虫第二至第三期与糠虾期mysis至后期幼虫post larvae之变态期。
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| 5. | During the mysis substages there is a gradual transition from phytoplankton to zooplankton . feed on : diatoms , animalcule such as a . salina , oyster eggs and larvae as well as on rotifers and nematodes 1在糠虾期幼虫的蜕变中,渐渐从摄食植物浮游生物转变到动物浮游生物。饵料:藻类微生物如丰年虾牡蛎卵轮虫丝虫类动物。
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| 6. | Live feed such as the slender spirulina are floating organisms which can maintain good water quality and are also abundant in nutrients , proteins , natural vitamins , minerals and carotenoid . they are suitable food for the shrimp larvae from the zoea through to the mysis stage of development 螺旋藻为浮游性,藻体细长,活的饵料生物能保持水质,营养份很丰富,含高量的蛋白质,天然的维他命,矿物质及类胡萝卜素,易于自眼幼虫至糠虾期摄食。
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| 7. | After molting three times , the zoea enter the mysis stage during which they begin to look more like adult shrimp and swim in a characteristic fashion with head and tail pointed downwards at right angles and occasionally performing a sudden retrograde jumping action . this is known as the inversion state , the fry being suspended upside - down in the upper middle region of the pond water . this is , therefore , also called the " inverted suspension phase " 眼幼虫脱第三次即进入糠虾期幼虫期mysis stage ,此期之体形已略成虾之状态,且具特有之游泳姿态,即头部及尾部均向下,成一直角弯曲而时作向后跳跃游动,又因成倒立状态,悬浮于水中的中上层,又叫倒吊期,此期幼虫对外界的环境因素,如水温盐分等变化,比前两期来得更具适应力,主要饵料为丰年虾brine shrimp的幼虫,但其他大小略同的动物性浮游生物,如桡脚类copepoda轮虫类rotifera均可。
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| 8. | The main feed at this time consists of brine shrimp larvae , oyster eggs and diatoms spiruline , skeletonema costatum . however other zooplankton such as copepoda and rotifera can also be used . during the mysis stage the bodies of the fry become larger and so are able to ingest the nauplii of the brine shrimp along with spirulina and 糠虾期幼虫个体较大,已能摄食丰年虾无节幼虫,拌用螺旋藻,虾苗丹喂饲,其存活率有意想不到的好,将螺旋藻与丰年虾无节幼虫,虾苗丹等配合一起喂饲,其存活率高的原因,在于丰年虾无节幼虫亦能摄食螺旋藻虾苗丹,可增加丰年虾无节幼虫的存活率,不仅能节省丰年虾外,又能避免水质恶化不需要常换水。
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