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carp larvae
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  鲤鱼苗
     The Influence of the Different Stocking Density and Feeding Times in the Growth of Carp Larvae
     不同放养密度和投饵次数条件下对鲤鱼苗生长影响的研究
短句来源
     Using the reciculating filtered water, stocking density of carp larvae was kept moderate (250 fish/40L) and Artemia larvae was fed 5 times every day, carp larvae of 3-11 days after hatching may achieve maximun body weight growth rate, feeding rate and food conversion ratio.
     应用循环过滤水装置,使鲤鱼苗放养密度适中(250尾/40L),每天投喂5次卤虫初期无节幼体,可使鲤鱼苗在孵出后3~11d内达到最大体重增长率、摄食率和食物转化率.
短句来源
     A series of studies on prepared feed for fry of common carp had been proceededsince the winter of 1981. For the purpose to raise carp larvae and fry in winter, anavailable prepared feed Larvstart-5 had been developed in 1983. This prepared feedenhanced the growth and survival rate of common carp during the early larval stage.
     为了解决冬季培育鲤鱼苗的饲料问题,从1981年冬开始,对鲤鱼苗的人工饲料进行了一系列的研究。 1983 年初研制成功“5号”人工开口饲料。
短句来源
  “carp larvae”译为未确定词的双语例句
     The results show that the 96 h LC 50 of the Mixture to silver carp larvae and juveniles are 21 300.6 mg/L and 27 438.8 mg/L, respectively,and to grass carp larvae and juveniles are 27 387.3 mg/L and 25 606.2 mg/L, respectively.
     对草鱼的稚鱼和幼鱼的 96hLC50 值分别为 2 7387.3和 2 56 0 6 .2mg/L。
短句来源
     Use of Artemia Biomass and Decapsulatad crysts as food source for Common Carp larvae
     卤虫成虫及脱壳卵在水产育苗中的应用
短句来源
     THE GROWTH OF SILVER CARP LARVAE IN THE NO FERTILIZING FRESH WATER
     清水下塘的鲢苗生长试验
短句来源
     1. Though feeding on varieties of food, it was found that both Brachionus forficula and Paramecium sp. were fit for the initial feeding of Pingxiang red-transparent crucian carp larvae;
     1、对萍乡肉红鲫仔鱼期的形态发育特征及仔鱼开口阶段不同饵料的投喂效果进行了初步探索;
短句来源
     The skin of the dead common carp larvae caused by starvation became disrupted, and had unclear boundary fingerprint cells with fluffy arrangement, and less mucous cells.
     饥饿致死的鲤苗皮肤破裂,指纹状细胞界限不清,排列散乱,粘液细胞小,神经丘萎缩;
短句来源
  相似匹配句对
     CARP PRINCESS
     鲤鱼公主
短句来源
     FEEDING CHARACTERISTICS IN CRUCIAN CARP (CARASSIUS AURATUS GIBELIO) LARVAE
     异育银鲫仔鱼的摄食特性
短句来源
     Effects of Water Temperature andSalinity on Carp Embryo and Larvae Development
     水温和盐度对鲤鱼(Cyprinus carpio L.)胚胎和前期仔鱼发育的影响
短句来源
     ON THE FOOD OF THE SILVER CARP
     论白鲢的食物问题
短句来源
     By larvae, the change is indistinctive.
     对幼虫钻蛀取食的反应是不显著的;
短句来源
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  carp larvae
The precocious development of structures involved in feeding and the extended transition from endogenous to exogenous feeding of early carp larvae are likely to have contributed to the success of this species since its introduction to Australia.
      
A threshold point, after which satisfactory results of feeding artificial diets to carp larvae can be expected, depends not only on body size but also on the degree of development.
      
The developmental interval, body length, dry and wet weight were determined in carp larvae during the first 2 weeks of exogenous feeding.
      
The results suggest that introduction of live zooplankton into culture units result in higher growth of koi carp larvae compared to manure based systems.
      
The 96?h LC50 value (with 95% confidence limits) of cypermethrin for common carp larvae was estimated at 0.809 (0.530-1.308)?μg?l-1.
      
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A series of studies on prepared feed for fry of common carp had been proceededsince the winter of 1981. For the purpose to raise carp larvae and fry in winter, anavailable prepared feed Larvstart-5 had been developed in 1983. This prepared feedenhanced the growth and survival rate of common carp during the early larval stage.At the densities of 200,000 larvae/m~3 and 100,000 larvae/m~3 rearing for 15 days, thefry can grow to 11--13 mm in length and 15--22 mg in weight respectively,...

A series of studies on prepared feed for fry of common carp had been proceededsince the winter of 1981. For the purpose to raise carp larvae and fry in winter, anavailable prepared feed Larvstart-5 had been developed in 1983. This prepared feedenhanced the growth and survival rate of common carp during the early larval stage.At the densities of 200,000 larvae/m~3 and 100,000 larvae/m~3 rearing for 15 days, thefry can grow to 11--13 mm in length and 15--22 mg in weight respectively, solelyrelying on Larvstart-5 in complete absence of nature food. The survival rate of larvaewas 77--97%. The composition of prepared feed Larvstart--5 is as follows: crudeprotein 36.7%, crude fat 5.5%, fiber 1.8%, ash 19%, water 8% and carbohydrate19%.

为了解决冬季培育鲤鱼苗的饲料问题,从1981年冬开始,对鲤鱼苗的人工饲料进行了一系列的研究。1983 年初研制成功“5号”人工开口饲料。用这种饲料直接喂养鲤鱼苗,可使其成活及正常生长。在鱼苗放养密度分别为20万尾/米~3和10万尾/米~3,水中不含饵料生物的条件下,经过15天饲养,鱼苗体长分别可达到11—13毫米,体重可达 15—22毫克,成活率为77—97%。5号饲料的成份为;粗蛋白36.7%,粗脂肪5.5%,粗纤维1.8%,水分8%,灰分19.0%,碳水化合物29%。

Lethal time of starved common carp ( Cyprinus carpio ), silver carp ( Hypophthalmichthys molitrix ), bighead carp ( Aristichthys nobilis ) and grass carp ( Ctenopharyngodon idella ) fry and fingerlings was determined and histological and ultra-structural changes of their skins and digestive tracts were observed when these animals were starved to death. At 18. 0-23. 0 C , lethal time by stravation was 7. 3-12. 0 days for the fry and 15-271 days for the fingerlings. For the fry, the ability of resistance to starvation...

Lethal time of starved common carp ( Cyprinus carpio ), silver carp ( Hypophthalmichthys molitrix ), bighead carp ( Aristichthys nobilis ) and grass carp ( Ctenopharyngodon idella ) fry and fingerlings was determined and histological and ultra-structural changes of their skins and digestive tracts were observed when these animals were starved to death. At 18. 0-23. 0 C , lethal time by stravation was 7. 3-12. 0 days for the fry and 15-271 days for the fingerlings. For the fry, the ability of resistance to starvation was ranged in order from strong to weak as follows; common carp (10. 4-12. 0 d) >big-head carp (9. 6 d) >grass carp (8.8 d) >silver carp (7.3d). The lethal starvation time was inversely proportional to water temperature. At a water temperature of above 23. 0℃. the ability of resistance to starvation was stronger in grass carp fry than in common carp fry. As the fishes grew, they were more resistant to starvation. However, the ability of resistant to starvation was less for the fishes just after wintering than the healthy fishes.The skin of the dead common carp larvae caused by starvation became disrupted, and had unclear boundary fingerprint cells with fluffy arrangement, and less mucous cells. The nuclei and organelles in the cells of mucous layer were swollen or disrupted or shrunk.

作者观测了全长6.6~177.6 mm的鲤、鲢、鳙、草鱼苗和鱼种的饥饿致死时间及饥饿死亡时皮肤和肠的组织学及亚微结构变化。在水温18.0~23.0℃时,这几种鱼苗50%饥饿致死时间为7.3~12.0d,耐饥饿力由强至弱依次为:鲤(10.4~12.0d)>鳙(9.6 d)>草鱼(8.8 d)>鲢(7.3d)。夏花至春片鱼种的50%饥饿致死时间为15~271d。水温与鱼的饥饿致死时间呈负相关。饥饿致死的鲤苗皮肤破裂,指纹状细胞界限不清,排列散乱,粘液细胞小,神经丘萎缩;鲢、鳙鱼苗肠粘膜细胞核和细胞器或肿胀或萎缩或溃解。

Using the reciculating filtered water, stocking density of carp larvae was kept moderate (250 fish/40L) and Artemia larvae was fed 5 times every day, carp larvae of 3-11 days after hatching may achieve maximun body weight growth rate, feeding rate and food conversion ratio. During carp larvae culturing, let carp larvae eat foodstuff at the right moment and increase easy feeding and feeding frequeny was very important.

应用循环过滤水装置,使鲤鱼苗放养密度适中(250尾/40L),每天投喂5次卤虫初期无节幼体,可使鲤鱼苗在孵出后3~11d内达到最大体重增长率、摄食率和食物转化率.在鲤鱼苗培育过程中,适时开食,增加鱼苗对食物的易得性和摄食频率是非常重要的.

 
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