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Anim Biosci > Volume 35(2); 2022 Special Issue > Article
Invited Review
Animal Bioscience 2022;35(2): 332-346. Special Issue
https://doi.org/10.5713/ab.21.0435    Published online January 4, 2022.
- Special Issue -
Insect meal as a feed ingredient for poultry
Usman Elahi1,2  , Chang-chun Xu1  , Jing Wang1  , Jing Lin1  , Shu-geng Wu1  , Hai-jun Zhang1,*  , Guang-hai Qi1,* 
1Key Laboratory of Feed Biotechnology, Ministry of Agriculture and Rural Affairs, National Engineering Research Center of Biological Feed, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China
2Institute of Animal and Dairy Sciences, Faculty of Animal Husbandry, University of Agriculture, Faisalabad 38000, Pakistan
Correspondence:  Hai-jun Zhang, Tel: +86-10-8210-6097, Email: zhanghaijun@caas.cn
Guang-hai Qi, Tel: +86-10-8210-7317, Email: qiguanghai@caas.cn
Received: 23 September 2021   • Revised: 7 October 2021   • Accepted: 23 September 2021
Abstract
Shortage of protein feed resources is the major challenge to the world farm animal industry. Insects are known as an alternative protein source for poultry. A wide range of insects are available for use in poultry diets. Insect larvae thrive in manure, and organic waste, and produce antimicrobial peptides to protect themselves from microbial infections, and additionally these peptides might also be functional in poultry feed. The feed containing antimicrobial peptides can improve the growth performance, nutrient digestibility, intestinal health, and immune function in poultry. Insect meal contains a higher amount of essential amino acids compared to conventional feedstuffs. Black soldier fly, mealworm, housefly, cricket/Grasshopper/Locust (Orthoptera), silkworm, and earthworm are the commonly used insect meals in broiler and laying hen diets. This paper summarizes the nutrient profiles of the insect meals and reviews their efficacy when included in poultry diets. Due to the differences in insect meal products, and breeds of poultry, inconsistent results were noticed among studies. The main challenge for proper utilization, and the promising prospect of insect meal in poultry diet are also addressed in the paper. To fully exploit insect meal as an alternative protein resource, and exert their functional effects, modes of action need to be understood. With the emergence of more accurate and reliable studies, insect meals will undoubtedly play more important role in poultry feed industry.
Keywords: Broiler; Growth Performance; Immune Function; Insect Meal; Laying Hen; Meat Quality


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