Respect the natural behavioral characteristics of pigs, based on the laws of reproductive physiology and digestive physiology, from the source to the intermediate link to the end, the system is designed for full nutrition to accurately meet the nutritional needs. The whole-course nutrition design of the natural system is derived from Dongrui Group's nearly 30 years of experience in pig breeding, providing safe and healthy meat to the society, and exporting pigs. The pig-based natural nutrition regulation design makes the pig herd healthier and higher production efficiency.