Potential Use of Live Mealworm as A Sustainable Feed to Improve Productivity of the Giant Freshwater Prawn, Macrobrachium rosenbergii

Q4 Multidisciplinary

ASM Science Journal Pub Date : 2022-12-22 DOI:10.32802/asmscj.2022.1006

C. Teoh, W. Wong, Sheng-Haur Kelvin Chong

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Abstract

A 63 days feeding trial was conducted to evaluate the effect of live mealworm feeding on the productivity of giant freshwater prawn (GFP), Macrobrachium rosenbergii. Three dietary treatments were used in this study: Treatment 1 (T1), commercial prawn feed (control); Treatment 2 (T2), combination of commercial prawn feed and live mealworm; Treatment 3 (T3), live mealworm, were fed to randomly assigned duplicate groups of the GFP. Results showed that GFP in T3 recorded the highest body weight gain (295%), followed by those with T2 and the lowest in T1, despite not significantly different (p>0.05). GFP fed with T1 (88%) showed lower survival rate than those fed with T2 and T3 which may be ascribed to the inferior water quality. Besides, T3 resulted in better feed conversion ratio (1.66) despite no significant difference was observed. Noteworthy, the feeding cost of T1 (RM0.018 g of prawn-1) was significantly lower as compared to T2 and T3, but live mealworm feeding could be more cost-effective for longer culture period. Therefore, live mealworm could be a potential alternative to commercial prawn feed for GFP farming.

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利用活虫作为可持续饲料提高罗氏沼虾生产力的潜力

进行了为期63天的饲养试验，以评估活粉虫饲养对罗氏沼虾（GFP）生产力的影响。本研究采用了三种日粮处理：处理1（T1），商品对虾饲料（对照）；处理2（T2），商业对虾饲料和活粉虫的组合；处理3（T3），活粉虫，被喂食到随机分配的GFP重复组。结果显示，T3组的GFP增重最高（295%），其次是T2组，T1组的增重最低，但差异无统计学意义（p>0.05）。T1组的存活率（88%）低于T2和T3组，这可能是由于水质较差。此外，T3导致了更好的饲料转化率（1.66），尽管没有观察到显著差异。值得注意的是，与T2和T3相比，T1（0.018g婴儿-1林吉特）的喂养成本显著降低，但活粉虫喂养在更长的培养期内可能更具成本效益。因此，活粉虫可能是GFP养殖中商业对虾饲料的潜在替代品。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

ASM Science Journal Multidisciplinary-Multidisciplinary

CiteScore

0.60

自引率

0.00%

发文量

期刊介绍： The ASM Science Journal publishes advancements in the broad fields of medical, engineering, earth, mathematical, physical, chemical and agricultural sciences as well as ICT. Scientific articles published will be on the basis of originality, importance and significant contribution to science, scientific research and the public. Scientific articles published will be on the basis of originality, importance and significant contribution to science, scientific research and the public. Scientists who subscribe to the fields listed above will be the source of papers to the journal. All articles will be reviewed by at least two experts in that particular field.