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Animals 2019, 9(4), 136; https://doi.org/10.3390/ani9040136

Comparative Study of the Use of Insect Meal from Spodoptera littoralis and Bactrocera zonata for Feeding Japanese Quail Chicks

1
Biological Application Department, Nuclear Research Center, Atomic Energy Authority, 3 ahmed elZomer St, Naser city, Cairo 11787, Egypt
2
Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Hongshan District, Wuhan 430070, China
3
Department Education for Sustainable Nutrition and Food Science, Technische Universität Berlin, Marchstr. 23, D-10585 Berlin, Germany
*
Author to whom correspondence should be addressed.
Received: 21 February 2019 / Revised: 24 March 2019 / Accepted: 29 March 2019 / Published: 31 March 2019
(This article belongs to the Special Issue Insects: Alternative Protein Source for Animal Feed)
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Simple Summary

With the increasing world population and rising meat consumption, sustainable high-quality feed is urgently needed. It was proposed that insects could be a promising alternative feed source, since they have high protein contents and can be reared sustainably on food production residues. Caterpillars of the African cotton leafworm Spodoptera littoralis can be cultivated on different residues of crops and vegetables and larvae of the peach fruit fly Bactrocera zonata can be reared on fruit and vegetable residues. In addition, mass rearing expertise of these two insect species already exists thanks to the sterile insect technique, a method of biological pest control. The nutrient composition of meals from these two insect species was determined and the impact of their meals as feed ingredients for Japanese quail chicks in comparison to soybean meal was investigated. In the feeding trials, 50% of the soybean protein was replaced with B. zonata meal and S. littoralis meal, respectively. For chicks fed with insect meal containing diets, improved growth, feed performance parameters, carcass characteristics and biochemical indices were observed in comparison to a soybean meal-based diet. Consequently, both insect meals represent a promising alternative to soy in the feed of Japanese quail chicks.

Abstract

A transformation of current livestock production towards a more sustainable operation is crucial to face nutritional and environmental challenges. There is an urgent demand for more sustainable high-quality feed sources to reduce environmental costs. Insects pose a potential alternative since they can be reared sustainably on food and feed residues. Know-how in mass rearing already exists for insect species used in biological pest control, such as the African cotton leafworm Spodoptera littoralis and the peach fruit fly Bactrocera zonata. The impact of a replacement of 50% of soybean meal by S. littoralis and B. zonata meal, respectively, on seven-days-old Japanese quail chicks was investigated in feeding trials. Concomitantly, the chemical compositions of the two insect meals and soybean meal were determined and compared. It was observed that the insect meals had higher protein and fat contents, lower carbohydrate contents and contained more saturated fatty acids than soybean meal. They also had higher methionine, and S. littoralis had a higher lysine content. Feeding trials resulted in improved growth, feed performance parameters, carcass characteristics, and biochemical indices for both insect meals. Consequently, both insect meals represent a promising alternative to soy in the feed of Japanese quail chicks. View Full-Text
Keywords: biochemical analysis; edible insects; feed insects; insect meals; feeding trial; poultry feed; soy replacement; sustainable feed biochemical analysis; edible insects; feed insects; insect meals; feeding trial; poultry feed; soy replacement; sustainable feed
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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MDPI and ACS Style

Sayed, W.A.A.; Ibrahim, N.S.; Hatab, M.H.; Zhu, F.; Rumpold, B.A. Comparative Study of the Use of Insect Meal from Spodoptera littoralis and Bactrocera zonata for Feeding Japanese Quail Chicks. Animals 2019, 9, 136.

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