不同粮食和耕作制度下亚马逊bryon的幼虫养殖

Q4 Environmental Science
Gustavo Alberto Arbeláez-Rojas, Maria da Graça Gama Melão
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引用次数: 0

摘要

淡水鱼幼体养殖技术在养殖和饲养方面还存在不足。本文对亚马逊Brycon amazonicus (matrinxã)不同的养殖方式和摄食方式进行了实验研究。采用7种不同的活性食物处理:T1 =半集约化生态系统与绿水;T2 =含有Artemia sp.作为食物的清水系统;T3 =以巴西石脑虫为食的清水系统;T4 =含有Artemia sp.和D. brasiliensis组合作为食物的清水系统(比例为1:1);T5、T6、T7分别与T2、T3、T4相同,但增加了游泳运动系统。在实验过程中,测量并保持了适宜培养的水质参数。T5的末重(42.97±2.58 mg)和特定生长率(31.77±0.60%)最高(p <0.05)。在营养成分方面,亚马逊小蠊幼虫以巴西褐僵菌为食,其氨基酸和必需脂肪酸的分布比以其他食物为食的要好。因此,巴西褐僵菌可作为亚马逊夜蛾幼虫的营养食物。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Larviculture of Brycon amazonicus under Different Food and Farming Systems
Freshwater fish larviculture techniques still have deficiencies in cultivation and feeding. In this study, we evaluated experimentally different cultivation and feeding systems in the Brycon amazonicus (matrinxã) larviculture. Seven treatments with different live foods were used: T1 = a semi-intensive mesocosm system with green water; T2 = a clear water system containing Artemia sp. as food; T3 = a clear water system containing Dendrocephalus brasiliensis as food; T4 = a clear water system containing a combination of Artemia sp. and D. brasiliensis as food (a proportion of 1:1); T5, T6 and T7 were the same as T2, T3 and T4, respectively, but with a swimming exercise system. During the experiment, the water quality parameters were measured and maintained suitably for the cultures. The highest values of final weight (42.97 ± 2.58 mg) and specific growth rate (31.77 ± 0.60%) were observed in T5 (p < 0.05). Regarding the nutritional composition, the larvae of B. amazonicus that were fed nauplii of D. brasiliensis had a better profile of amino acids and essential fatty acids than those fed other live foods. Therefore, nauplii of D. brasiliensis can be used as an adequately nutritional food for larvae of B. amazonicus.
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来源期刊
Indonesian Aquaculture Journal
Indonesian Aquaculture Journal Environmental Science-Water Science and Technology
CiteScore
0.50
自引率
0.00%
发文量
9
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