冬至羊肉香背后有何“科技密码”？｜封面科考队

Core Viewpoint - The article emphasizes the nutritional benefits of lamb, particularly during the winter season, and highlights advancements in breeding technology that contribute to the quality of lamb meat [1][6][12]. Group 1: Nutritional Benefits of Lamb - Lamb is a significant source of high-quality protein, containing approximately 20 grams of protein per 100 grams, which is easily absorbed by the body, providing energy during winter [6]. - The iron content in lamb is more readily absorbed compared to plant-based iron, making it beneficial for individuals with iron deficiency anemia [6]. - The warming properties of lamb help improve cold sensitivity and enhance the body's ability to retain heat during winter [6]. Group 2: Tips for Selecting Quality Lamb - Consumers can identify fresh lamb by checking for a uniform bright red or pink color, a clean white fat layer, and avoiding dark red or gray meat with bruises [9]. - Fresh lamb should have a mild natural odor, while any sour or rotten smell indicates spoilage [9]. - The texture of quality lamb should be firm and elastic, bouncing back when pressed, while soft or sticky meat may indicate water injection or age [9]. Group 3: Innovations in Lamb Farming - The Chengdu meat sheep breeding team has addressed challenges such as low feed utilization and high breeding costs by promoting the use of non-grain feed resources and precision feeding techniques [14][16]. - The team has implemented effective waste management practices, such as converting sheep manure into organic fertilizer, which can generate additional annual value of over 500,000 yuan [16]. - The focus on standardization and ecological practices in lamb farming is gradually transforming the industry towards sustainability and efficiency [16][19]. Group 4: Future of the Lamb Industry - The lamb industry faces challenges such as low market prices and the need to improve feed efficiency and reduce production costs [19]. - The Chengdu meat sheep team has outlined a clear innovation plan that includes enhancing barn design, optimizing environmental controls, and integrating smart technology to reduce costs [19]. - The commitment to ecological practices and the use of local feed resources aims to achieve both economic and ecological benefits for the industry [19].