Group 1 - The core viewpoint of the article highlights the establishment of a modern breeding base for salmon and trout in Datong County, which addresses the supply challenges of high-quality cold-water fish seedlings in Northwest China [2][3] - The breeding base, with an investment of 11.12 million yuan, has an annual cultivation capacity of 8 million fertilized eggs and 5 million fry, integrating factory-style recirculating aquaculture with modern breeding techniques [2] - The dual-driven model of "seedling supply + technical consultation" has positively impacted 27 breeding entities and over 400 households in the Yellow River region, directly increasing the income of more than 1,500 people [2] Group 2 - The establishment of the breeding base has not only created job opportunities but also provided new technology training for local residents, with workers earning over 3,000 yuan per month [2] - The upgrade of the genetic resource site has transformed traditional aquaculture into large-scale, standardized production, enriching the food supply for urban and rural residents and laying a foundation for the high-quality development of the cold-water fish industry in the province [2]