Feeding pigs with green roughage is a traditional method of raising pigs in rural China, but because these green roughages are seasonal, the quality is not guaranteed and they are not suitable for modern scale farms. However, Liu Yanfen, a professor at the Agricultural College of Guangdong Ocean University, used the technique of changing grass for green, and both large farms and small farmers benefited from a grass. 7Ss China Feed Industry Information Network - based on feed, serving livestock

Liu Yanfen turned the gramineous plant Huangzhucao, which never fed pigs, into pig feed, which not only saves cost, but also saves the environment; she stores the high-yielding pastures in the summer by fermentation, so that the pigs can eat in the winter; she promotes The swine mode of pig-marsh-grass has constructed an ecological cycle chain. 7Ss China Feed Industry Information Network - based on feed, serving livestock

Forage raising pigs can save 10% to 30% of feed costs. If you save 10% of the feed, it means that the cost will be more than 300 yuan, which allows the farmers to achieve profitable pigs in the downturn. 7Ss China Feed Industry Information Network - based on feed, serving livestock

Planting pigs, pig manure, Tianfei and Zhuang, Zhuangcao feeding pigs, Liu Yanfen's eco-friendly and eco-friendly chain not only effectively alleviates the situation of pigs and people competing for grain, but also improves pork quality and food safety. . 7Ss China Feed Industry Information Network - based on feed, serving livestock