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KMID : 0613820200300100860
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Journal of Life Science
2020 Volume.30 No. 10 p.860 ~ p.866
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Egg Quality Characteristics of Layer Chickens Reared with Tenebrio molitor Larvae
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Kim Do-Hyeong
Kim Dong-Hyun
Park Hyun-Woo
Kim Jin-Kwon
Kim Sam-Woong
Kim Tae-Wan
Lee Byeong-Jin
Son Daniel
Kim Il-Suk
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Abstract
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This study examined the characteristics of eggs obtained from layer chickens reared with feed that included Tenebrio molitor larvae, which were in turn bred using feed that included dried food waste powder. The eggs showed a tendency to be slightly thinner in the treated groups, but the Haugh unit indicating freshness was higher in the treated groups than the control group, and the 5% larval-treated group showed the highest value. The color of the yolk tended toward higher redness, lower brightness, and lower yellowness in the 5%-treated group, which also showed similar crude fat and protein values to the control group; the 10%- and 15% larval-treated groups had lower crude fat and protein values, although the carbohydrate content was higher. Structural amino acids in the treated groups showed a higher ratio of non-essential amino acids to essential amino acids than the control. The polyphenol content, which is an index of antioxidants, was highest in the 5%-treated group, and it is thought that this may affect the storage and antioxidant properties of the eggs. Thus, when employed with a feed source to maintain high protein and high fat, T. molitor larvae may cause critical changes in the nutrient content of eggs and improve their freshness.
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KEYWORD
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Egg quality, feed, food waste dried powder, larvae, layer chicken, Tenebrio molitor
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