crap grass
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Our recent experiment about the comparison of young grass crap growth between in pond and in glass fish box with different temperature demonstrates that the fry grow faster at 28°C than at 30°C but the fingerling grow faster at 30°C than at 28°C.
根据我们在北京的池塘和水族箱对水温测定的结果表明:草鱼苗在水温28℃时要比30℃时生长快;而草鱼种在水温30℃时比28℃时生长快。
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In a 0.33 hm~2 pond, grass crap juveniles were fed pelleted feeds containing different nutrition and sizes for 140 days.
利用0.33hm2池塘施行综合养殖技术,强化饲养管理工作。并根据当年草鱼种不同的发育时期,投喂自行研制的不同营养成分和粒度的3种颗粒饲料。
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The regression equations could be used to estimate the BCF of the benzene derivatives in grass crap , and the results were not affected by the polarity of stationary phases.
统计检验表明,两类估算方程在不同固定相上的平均相关系数分别为0·952和0·965,均呈极显著相关(P·01),可用于估算取代苯类化合物在草鱼体内的BCF,估算结果不受固定相极性的影响。
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There are 160 kinds of fish. The main economic kinds are over 40, such as black crap, grass crap, silver crap, crap, variegated carp, crucian carp, brean, and so on.
有160 鱼。主要经济种类是40,譬如黑胡扯,草胡扯,银色胡扯,胡扯,杂色的鲤鱼, crucian 鲤鱼, brean,等等。
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Meat-obtain ratios are considerable different because of the size difference of 4 kinds of freshwater fish, Grass Crap highest, which was 34.79%, Silver Carp and Bighead 24.6%, Crucian 15.56%.
鲢鱼、鳙鱼、鲫鱼和草鱼四种淡水鱼的鱼体大小不同,采肉率存在明显差异,其中草鱼的采肉率最高(34.79%),鲢鱼和鳙鱼次之(24.6%),而鲫鱼采肉率最低(15.56%)。
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grass crap:草魚
grass beauty 南蛇 | grass crap 草魚 | Grass Owl 草鴞