Probiotics and intestinal mucosal immunity
Although African swine fever has become the number one "killer" in today's pig industry, gastrointestinal diseases such as epidemic diarrhea can not be ignored, and in the heat stress environment in summer, certain problems will occur in the intestinal mucosal immune function; On the other hand, based on the European experience in the prohibition of feed, China will begin to use antibiotics for the control of digestive tract diseases after the animal feed is completely banned from July 1, 2020. Damage to the intestinal microflora and damage to the intestinal mucosal barrier.
The intestinal tract is not only an important place for digestion and absorption, but also the organism's largest immune organ. On the one hand, it is necessary to "support the family" and on the other hand, "protect the family and protect the country." The intestinal mucosa has a large area, and its structure and function constitute a powerful mucosal immune system. In addition, a large number of microbial flora live in the intestine, making it difficult for foreign bacteria and viruses to break through this line of defense and cause harm to the organism. Therefore, people recognize the importance of intestinal mucosa and health. Probiotics are a type of beneficial microbial community that can colonize the intestine, maintain the balance of intestinal flora, and stimulate intestinal mucosal immune tissues, and have an important impact on intestinal mucosal immunity. Probiotics and intestinal mucosa together form a protective barrier, Prevent the invasion of bacteria, viruses and food antigens.