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牙鲆幼鱼
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  flounder juveniles
     Growth promotion by proteinase-produced-bacteria from gastrointestinal tract of flounder to flounder juveniles
     产蛋白酶益生菌Y2-2和Y1-13对牙鲆幼鱼生长促进作用的研究
短句来源
  flounder fry
     The activities of protease,amylase and lipase of the stomach and intestine are higher at 46 % of protein level and 31.71~36.81kJ/g of ratio of dietary energy to protein in the diet of flounder fry.
     牙鲆幼鱼饲料以蛋白水平在46%、能量蛋白比在31.72~36.81 kJ/g范围内,胃、肠道的蛋白酶、淀粉酶、脂肪酶活性较强.
短句来源
  “牙鲆幼鱼”译为未确定词的双语例句
     tarda was incubated at 15, 20, 25 and 30 1 , and the fish (mean weight: 10g) were reared at 15, 20 and 25 1 respectively.
     牙鲆幼鱼(平均体重10g)暂养温度分别控制在15、20和25±1℃,迟钝爱德华氏菌的培养温度分别为15、20、25和30±1℃。
短句来源
     Combined the growth data with the analysis of fatty acid composition of muscle and liver, it was indicated that the optimum requirement of EPA and DHA are 0.5 % and 1.0~1.5 %.
     在饲料中不含EPA和DHA时,牙鲆幼鱼生长缓慢,肝体指数升高,当EPA和DHA在饲料中含0.5%和1.0%时,牙鲆生长最好;
短句来源
     According to fish growth and enzyme activity, in the studied Practical diet for juveile flounder, the optimal copper supplementation was 1.5mg/kg, and the total dietary copper was about 5.6mg/kg.
     因此,根据生长和铜锌超氧化物歧化酶活性的变化,本实验条件下牙鲆幼鱼实用饲料中铜的适宜添加量为1.5mg/kg,饲料总铜为5.6 mg/kg左右。
短句来源
     The oxygen consumption and nitrogen excretion of juvenile Paralichys olivaceus (2.5 ̄34.5g) were tested at different water temperatures (12℃,17℃,22℃ Cand 27℃).
     对个体重2.5~34.5g的牙鲆幼鱼在不同水温(12、17、22、27℃)下的耗氧率和氮排泄率进行了测试和分析。
短句来源
     Their mean metabolism rates at slainity 30,25,20,15 were 3.08,3.07,3.87,3.28 J/g·h, respectively,indicating Japanese flounder can adapt a wide range of salinity.
     牙鲆在盐度为30、25、20和15的水中,平均代谢率分别为3.08、3.07、3.87和3.28J/g·h,说明牙鲆幼鱼适盐较广,在本实验盐度阈值内,对鱼体代谢基本没影响。
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  相似匹配句对
     A Study on the Nutritional Requirement for Juvenile Flounder Paralichthys olivaceus
     牙鲆幼鱼营养需要的研究
短句来源
     Energy emtabolism of juvenile Japanese flounder,Paralichthys olivaceus
     牙鲆幼鱼能量代谢的初步研究
短句来源
     DISEASES OF JAPANESE FLOUNDER, PARALICHTHYS OLIVACEUS
     牙鲆的疾病
短句来源
     Study on the embryonic development of Paralichthys olivaceus
     牙鲆的胚胎发育
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     2. launching young fishes to man-made sea pasture.
     2.开展幼鱼放流;
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  flounder fry
Flounder fry fed on the transformed Chlorella revealed a 25% growth increase after 30 days of feeding.
      


Feed rate of L: 3-6cm Paralichthys olivaceus (W: 0. 23-2. 75g) under various conditions is studied. The highest feed rate occurs when the illumination is 500-1 500 lux, water temperature is 18-24℃,salinity is 18-34,pH is 7. 5-8. 6 and DO>4. 5mg/L. NH4-N

在不同环境条件下,观察体长3~6cm,体重0.23~2.759牙鲆幼鱼的摄食情况,摄食率最高时环境条件为最适。

The oxygen consumption and nitrogen excretion of juvenile Paralichys olivaceus (2.5 ̄34.5g) were tested at different water temperatures (12℃,17℃,22℃ Cand 27℃). The results reveal that both the oxygen consumption rate and nitrogen excretion rate of juvenile P.olivaceus increase significantly (P<0.01) as the body weight increases; though the oxygen consumption rate exhibits a tendency to increase with the increase of water temperature, significant difference is only found between the 27℃ group and the other three...

The oxygen consumption and nitrogen excretion of juvenile Paralichys olivaceus (2.5 ̄34.5g) were tested at different water temperatures (12℃,17℃,22℃ Cand 27℃). The results reveal that both the oxygen consumption rate and nitrogen excretion rate of juvenile P.olivaceus increase significantly (P<0.01) as the body weight increases; though the oxygen consumption rate exhibits a tendency to increase with the increase of water temperature, significant difference is only found between the 27℃ group and the other three groups (P<0.01); the nitrogen excretion rate increases significantly (P<0.01) as the water temperature goes up. The authors consider that in the indoor culture of P. olivaceus the lower limit of DO is 3mg/L; and the upper limit of water temperature is 27℃.

对个体重2.5~34.5g的牙鲆幼鱼在不同水温(12、17、22、27℃)下的耗氧率和氮排泄率进行了测试和分析。结果表明,牙鲆幼鱼的耗氧率和氮排泄率均随体重的增加而增加,其差异均达到极显著水平(P<0.01);牙鲆幼鱼的耗氧率随水温上升而增加,但仅27℃组与其他3个温度梯度组分别比较,出现差异极其显著(P<0.01),后3个温度梯度组之间的差异则不显著(P>0.05);牙鲆幼鱼的氮排泄率也随温度的提高而增加,其差异亦达到极显著水平(P<0.01)。作者认为,在牙鲆养殖生产过程中,养殖水体溶解氧应维持在3mg/L以上,养殖水温以不超过27℃为宜。

In this study five groups of the juveniles (body length 6.0-8.0cm) of the lefteye young flounder [Paralichthys olivaeus (T. et S.)] were fed with artificial diets consisting of the Peru fish meal (content 80%) and dixtrim (content 20%) as the main material and 0.0%, 0.60%, 1.20%,1.80% and 2.40% of n-3HUFA were added into the diets, respectively. The experiment lasted for 35 days and the results are given as follows:(1) With an increase in the n-3HUFA content in the diets, the rates of the daily increase in body...

In this study five groups of the juveniles (body length 6.0-8.0cm) of the lefteye young flounder [Paralichthys olivaeus (T. et S.)] were fed with artificial diets consisting of the Peru fish meal (content 80%) and dixtrim (content 20%) as the main material and 0.0%, 0.60%, 1.20%,1.80% and 2.40% of n-3HUFA were added into the diets, respectively. The experiment lasted for 35 days and the results are given as follows:(1) With an increase in the n-3HUFA content in the diets, the rates of the daily increase in body weight and the rates of diet efficiency of all the young showed an ascending tendency. When the addition of n-3HUFA to the diet amounted to 2.4%, the daily rate of the weight increase for the flounders increased from 1.14% of the control group (without addition of n-3HUFA to 1.76%,and the diet efficiency increased from 43.73% for the control group to 74.52%, the daily increase in body weight of the flounder increased, respectively, 54.4% and 70.5% as compared with those of the control groap. Hence, n-3HUFA can effectively promote the growth of the Young flounders and enhance the diet efficiency. As to the appropriate amount of addition of the n-3HUFA to the diets,the experiment showed tha the floundrs did not show any bad reaction and both the rate of daily body weight increase and the diet efficiency showed a positive effect.(2) In the livers of the juvenile floundrs, the relative percentage content of n-3HUFA showed an ascending tendency with the increase of n-3HUFA in the diet. When the addition of n-3HUFA reached 2.4%, the content of n-3HUFA, EPA and DHA increased, respectively, by 47.4%, 19.2% and 60.7%, as compared with those of the control group. The positive casulation between the DHA content and that of n-3HUFA in the diet was apparently greater than tha of EPA, showing a close relationship between DHA and the growth of the flounder.(3) Along with an increase in the n-3HUFA content in the diet, the apparent digestive and absorptive rates of n-3HUFA of the juvenile floundrs showed a descending tendency. When the addition of n-3HUFA reached 2.4%, the apparent digestive and absorptive rates of DHA of the flounder dropped from 87.20% for the control group to 77.85%, bu those of the EPA and DHA of the same diet group were very close to each other. When the addition of n-3HUFA to the diet was over 0.6%, the increase of the relative pereentage content of n-3HUFA in the livers of the flounder began to drop. Because the feeding rates of the floundrs in the four diet group were similar, the drop of the relative pereentage content of n-3HUFA in the livers should be directly related to the drop of the digeshve and absorptive rates of n-3HUFA of the flounders.

于1996年9-10月在中国水产科学研究院黄海水产研究所小麦岛实验基地,采用人工投喂的方法,给牙鲆幼鱼投喂含不同含量n-3高度不饱和脂肪酸(n-3HUFA)的人工饵料,研究牙鲆幼鱼对饵料中n-3HUFA的消化、吸收以及n-3HUFA的含量与日增重率、饵料效率的关系。结果表明,在饵料中添加0.60%—2.40%的n-3HUFA可有效提高牙鲆幼鱼的日增重率和饵料效率;肝脏中n-3HUFA的含量与饵料中n-3HUFA(尤其是DHA)的含量成正比;牙鲆幼鱼对饵料中n-3HUFA的表观消化吸收率随其含量的增加呈下降趋势。

 
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