Animal Molecular Breeding 2024, Vol.14, No.1, 1-9 http://animalscipublisher.com/index.php/amb 1 AReview Open Access Investigating the Impact of Embryonic Gene Editing on the Growth Rate and Fat Content of Crucian Carp Xiaoying Xu Institute of Life Science, Jiyang College of Zhejiang A&F University, Zhuji, 311800, Zhejiang, China Corresponding author email: 1348601583@qq.com Animal Molecular Breeding, 2024, Vol.14, No.1 doi: 10.5376/amb.2024.14.0001 Received: 01 Nov., 2023 Accepted: 10 Dec., 2023 Published: 01 Jan., 2024 Copyright © 2024 Xu, This is an open access article published under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Preferred citation for this article: Xu X.Y., 2024, Investigating the impact of embryonic gene editing on the growth rate and fat content of crucian carp, Animal Molecular Breeding, 14(1): 1-9 (doi: 10.5376/amb.2024.14.0001) Abstract With the growing population and increasing food demand, the aquaculture industry is facing significant challenges. As a vital economic fish species, the growth rate and fat content of crucian carp are crucial factors determining its quality and market competitiveness. The emergence of gene editing technology provides a new avenue for improving the quality of fish. This study summarizes the research progress on the impact of gene editing on the growth rate and fat content of crucian carp embryos and explores the potential applications of gene editing technology in crucian carp aquaculture. Furthermore, the study proposes recommendations for future research directions and developments, including in-depth studies of gene function, long-term monitoring and assessment, advancement of regulatory and ethical standards, and interdisciplinary cooperation, to promote the sustainable application of gene editing technology in the aquaculture industry. Keywords Crucian carp; Gene editing; Growth rate; Quality improvement Crucian carp (Cyprinus carpio), as a pearl in the aquaculture industry and a gem among economic fish, has always been highly favored (Figure 1). Its wide adaptability, rapid growth, and high edible value grant it a special status in the global aquaculture industry (Xiao and Luo, 2010, Guangxi Fisheries Science and Technology, (4): 12-18). However, to better meet the growing demand for food, it is crucial to improve breeding efficiency and product quality (Liu et al., 2017), and the key to these two aspects is the growth rate and fat content of crucian carp. The growth rate of fish directly determines the length of the farming cycle, which in turn affects the efficiency of aquaculture. Fish that grow quickly can reach market size faster, reducing farming costs and improving production efficiency. In the fiercely competitive global fish market, the enhancement of fish growth rate has become a key factor in seizing market share (Gui et al., 2016). The fat content of crucian carp directly influences its edible quality and market value. Different markets and consumers have varying preferences for fat content. Some markets prefer fish with more fat because it enhances taste and flavor, while others prefer fish with lower fat content. Therefore, the ability to adjust the fat content of crucian carp to meet diverse market demands can provide a competitive advantage to the aquaculture industry. With the continuous development of biotechnology (Dong and Luo, 2023), gene editing technology has emerged as an innovative approach to improving fish quality (Basavaraju et al., 2002). This technology allows researchers to precisely edit the genes of crucian carp to achieve goals such as altering growth rate and fat content. Through gene editing, the aquaculture industry could potentially undergo revolutionary changes, enhancing production efficiency, meeting diverse market demands, and promoting the sustainable development of aquaculture (Blix et al., 2021). Despite the enormous potential of gene editing technology in improving crucian carp quality, there are currently some key issues and challenges that require further research and resolution. Researchers need to delve into how gene editing can accurately regulate the growth rate and fat content of crucian carp to ensure the effectiveness of this technology. Additionally, it is necessary to investigate the specific impacts of gene editing on the health and survival of crucian carp, ensuring that fish are not adversely affected during the gene editing process. Successfully applying gene editing technology to practical farming operations is also a critical issue, involving the feasibility of
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