吃鱼挑刺难？无刺鲫鱼有望被端上餐桌

Core Insights - The newly developed "spiny-free silver crucian carp" has arrived in Beijing from Wuhan and is expected to be available for consumption soon [1] Group 1: Product Development - The spiny-free silver crucian carp was created by a research team led by academician Gui Jianfang, utilizing non-reduction fusion reproduction and gene editing to address the issue of fish bones [3] - The new variety "Zhongke No. 6" shows a 25% improvement in growth rate, a 66.5% increase in survival rate, and a 20.1% enhancement in feed efficiency compared to "Zhongke No. 3" [5] - Approximately 70% of crucian carp in major production areas come from the new varieties promoted by the research team, generating annual production benefits worth billions of RMB [5] Group 2: Research Background - In 2021, the research team collaborated with Professor Gao Zexia from Huazhong Agricultural University to identify key genes regulating the development of muscle spines, leading to the creation of the spiny-free variety [5] - The researchers found that complete removal of muscle spines in the silver crucian carp required knocking out two homologous genes and their six alleles, resulting in a mutant strain with no spines [5] Group 3: Future Prospects - The newly bred high-yield and disease-resistant "Zhongke No. 6" variety exhibits strong resistance to herpes virus and is currently undergoing large-scale artificial breeding [7] - This new variety is expected to soon be available on the dining tables of the general public [7]