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KMID : 0613820180280121501
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Journal of Life Science
2018 Volume.28 No. 12 p.1501 ~ p.1506
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Brewers’ Dried Grain as a Feed Additive for the Korean Rhinoceros Beetle, Allomyrina dichotoma
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Song Myung-Ha
Lee Heui-Sam
Park Kwan-Ho
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Abstract
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Edible insects have recently been increasingly promoted as a source of protein. As the number of farms rearing these insect increases, it is important to develop safe and nutritious feed sources to improve their commercial quality. The aim of the current study was to determine the effect of food by-products as feed supplements for the Korean rhinoceros beetle, Allomyrina dichotoma, which has been registered as a general food ingredient in Korea. We compared the effects of waste citrus peel, soybean curd cake, soybean oil meal, and brewers’ dried grain on the growth of third instar larvae of A. dichotoma. Groups of larvae were fed with fermented sawdust and nine different combinations of the above by-products and the effects on their growth were measured until pupation. The highest survival rate was with feed supplemented with 10% brewers’ dried grain (66.7%, p<0.05), and these larvae were also 26% heavier (p<0.05) than the control group that received no supplementation. In the 10% brewers’ dried grain group, the larval period of third instar was shortened by almost 28 days (p<0.01) compared to the control group. Of all the groups, only that which was fed the brewers’ dried grain supplement showed more than a 90% pupation rate (p<0.05). Therefore, brewers’ dried grain may be useful as a source of feed for A. dichotoma.
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KEYWORD
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Allomyrina dichotoma, Brewers’ dried grains, by-product, Edible insect, growth
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