Research Article

The Effects of Using Peanut Meal (Arachis hypogaea L.) Instead of Soybean Meal in Rainbow Trout (Oncorhynchus mykiss Walbaum, 1792) Feeds on Growth, Biochemical Composition and Fillet Color

Volume: 6 Number: 1 March 31, 2021
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The Effects of Using Peanut Meal (Arachis hypogaea L.) Instead of Soybean Meal in Rainbow Trout (Oncorhynchus mykiss Walbaum, 1792) Feeds on Growth, Biochemical Composition and Fillet Color

Abstract

The aim of this study was to determine the effect of using peanut meal (Arachis hypogaea L.) instead of soybean meal in rainbow trout (Oncorhynchus mykiss Walbaum, 1792) feeds on growth performance, biochemical composition and fillet color. For this purpose, rainbow trout were fed for eight weeks with four different diets adjusted as iso-nitrogenic (45% protein), iso-lipidic (19% lipid) and iso-energetic (22 kJ g-1). While the CF (commercial feed) group was fed with commercial feed, three experimental diets containing 0% (Control-C), 50% (PNM50) and 100% (PNM100) peanut meal were formulated for the other groups. As a result of the 8 weeks diet treatments, the best final weight, weight gain and specific growth rate were found PNM50 group and the difference among groups was significant. The use of peanut meal instead of soybean meal in rainbow trout diets decreased fish meat protein ratios compared to CF and C groups. The qualities of redness, yellowness and hue were distinct between the diets in the dorsal and caudal locations. At all the measured regions in the C and CF groups did not result in any significant difference for chroma. It is thought that the differences between the measured regions in L*, a*, b * are due to the fillet thickness and the preservation of the fillet coloring matter. Consequently, 50% peanut meal instead of soybean meal in trout diets could be used in diets of rainbow trout without any negative effects on growth.

Keywords

biochemical compositon , fillet color , Oncorhynchus mykiss , peanut meal , plant protein

References

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APA
Dernekbaşı, S., Kaya Öztürk, D., & Karayücel, İ. (2021). The Effects of Using Peanut Meal (Arachis hypogaea L.) Instead of Soybean Meal in Rainbow Trout (Oncorhynchus mykiss Walbaum, 1792) Feeds on Growth, Biochemical Composition and Fillet Color. Journal of Anatolian Environmental and Animal Sciences, 6(1), 135-141. https://doi.org/10.35229/jaes.854972