Content suggestion: Acidifiers are a type of additive that has been researched and developed in recent years and is mainly used in young animal diets to adjust the environment inside the digestive tract. It refers to a kind of substance added to the feed to supplement the lack of gastric juice secretion in young animals and reduce the pH value in the stomach. Including inorganic acids, organic acids and their salts. The feed added with an acidifier is called an acidified feed.
Introduction of acidifier:
Acidifiers are a type of additive that has been researched and developed in recent years and is mainly used in young animal diets to adjust the environment inside the digestive tract. It refers to a kind of substance added to the feed to supplement the lack of gastric juice secretion in young animals and reduce the pH value in the stomach. Including inorganic acids, organic acids and their salts. The feed added with an acidifier is called an acidified feed.
Mechanism of action:
The research and development of acidifiers is mainly based on lower intragastric pH (about 2), not only the activator of pepsin and the necessary conditions for maintaining high activity, but also contribute to the softening of feed, the dissolution and hydrolysis of nutrients, Moreover, it also acts as a barrier to prevent pathogenic microorganisms from entering the body through the digestive tract. In young animals with little gastric acid secretion, this barrier is weak, and the immune function is imperfect, which is an important factor leading to diarrhea, diarrhea and high incidence. One of them, especially early weaned piglets, not only reduced feed nutrient digestibility, but also incomplete digestion of non-milk nutrients, and also rapidly propagated pathogenic microorganisms entering the hindgut with sufficient matrix, resulting in lower jaw, decreased production performance, and increased mortality.
Direction of action:
Adding an acidifying agent to the supplementary diet of the young animal or the weaning diet can supplement the deficiency of gastric acid secretion and premature acidification of the stomach, thereby improving the digestibility of the feed, reducing the invasion and reproduction of pathogenic microorganisms, and reducing the diarrhea and diarrhea of ​​the young animals. Improve production performance and reduce mortality.
In addition, lower intragastric pH can reduce the emptying rate of gastric contents, which is beneficial to the digestion and absorption of nutrients. Organic acidifiers can also be used as an energy source for animals. Some organic acids promote the absorption of mineral elements in the form of complexing agents, and some (such as citric acid) can also act as a flavoring agent to promote the intake of young animals. Studies on the effect of acidifier addition showed that different diets, different additives, different management conditions, etc. showed inconsistent results.
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