The Use of Live Mealworm (Tenebrio molitor) in Diet of Rainbow trout (Oncorhynchus mykiss): Effect on Growth Performance and Survival, Nutritional Efficiency, Carcass Compositions and Intestinal Digestive Enzymes

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HARSIJ M.; ADINEH H.; Maleknejad r.; JAFARYAN H.; ASADI M.

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Journal: JOURNAL OF FISHERIES SCIENCE AND TECHNOLOGY (JFST) Year:2019 | Volume:8 | Issue:3 Page(s): 137-143

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Title

The Use of Live Mealworm (Tenebrio molitor) in Diet of Rainbow trout (Oncorhynchus mykiss): Effect on Growth Performance and Survival, Nutritional Efficiency, Carcass Compositions and Intestinal Digestive Enzymes

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Keywords

Rainbow troutQ2

meal wormQ1

Growth parametersQ2

body biochemical compositionQ1

digestive enzymesQ1

Abstract

Aims: The present study investigated the effects of different levels using mealworm (Tenebrio molitor L., TM) on the growth and feed performance, body composition and digestive enzymes of Rainbow trout, Oncorhynchus mykiss. Materials & Methods: Fish (8. 58± 0. 27g) in a completely randomized design in 4 treatments and each with 3 replications. Rainbow trout with different levels of 0, 15, 30, and 60% diet of live worm (TM0, TM15, TM30, and TM60; including 50% moisture) for 30 days. Data were analyzed by SPSS 17 software. Findings: At the end of the experiment, there was a significant difference between treatments in growth performance and feed utilization. The results revealed that fish Growth parameters and efficiency of nutrient utilization tended to increase with increasing dietary TM levels from 0‐ 60%. Feed Conversion Ratio (FCR) was significantly reduced in fish fed the diet with the highest worm level (TM60). The treatments fed TM showed the highest protein and the lowest lipid content compared to fish fed control diet. The analysis of gastrointestinal enzymes depicted that amylase, protease, and lipase had a statistically significant difference between the control and other treatments. Protease and amylase activities were found to be significantly higher for fish fed the TM60 diet (87. 30± 4. 04 and 719. 16± 40. 10, respectively) than fish fed TM0 diet. Conclusion: The results showed that using 60% of the worm (TM60) instead of the base diet can improve growth, carcass composition and digestive enzymes.

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APA: Copy

HARSIJ, M., ADINEH, H., Maleknejad, r., JAFARYAN, H., & ASADI, M.. (2019). The Use of Live Mealworm (Tenebrio molitor) in Diet of Rainbow trout (Oncorhynchus mykiss): Effect on Growth Performance and Survival, Nutritional Efficiency, Carcass Compositions and Intestinal Digestive Enzymes. JOURNAL OF FISHERIES SCIENCE AND TECHNOLOGY (JFST), 8(3 ), 137-143. SID. https://sid.ir/paper/246847/en

Vancouver: Copy

HARSIJ M., ADINEH H., Maleknejad r., JAFARYAN H., ASADI M.. The Use of Live Mealworm (Tenebrio molitor) in Diet of Rainbow trout (Oncorhynchus mykiss): Effect on Growth Performance and Survival, Nutritional Efficiency, Carcass Compositions and Intestinal Digestive Enzymes. JOURNAL OF FISHERIES SCIENCE AND TECHNOLOGY (JFST)[Internet]. 2019;8(3 ):137-143. Available from: https://sid.ir/paper/246847/en

IEEE: Copy

M. HARSIJ, H. ADINEH, r. Maleknejad, H. JAFARYAN, and M. ASADI, “The Use of Live Mealworm (Tenebrio molitor) in Diet of Rainbow trout (Oncorhynchus mykiss): Effect on Growth Performance and Survival, Nutritional Efficiency, Carcass Compositions and Intestinal Digestive Enzymes,” JOURNAL OF FISHERIES SCIENCE AND TECHNOLOGY (JFST), vol. 8, no. 3 , pp. 137–143, 2019, [Online]. Available: https://sid.ir/paper/246847/en

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