Effect of chitosan oligosaccharide on pig growth

1. Effect of Chitosan oligosaccharide on Pig Growth Performance

In the pig Feeding, the growth performance of pigs is the most important indicator. Accelerated growth of pigs means shorter time to slaughter, and higher feed conversion rates of pigs mean the saving of feed resources and the reduction of feed costs. Chitooligosaccharides can improve the growth performance of pigs, reducing the feed-to-weight ratio of pigs, and increasing the utilization rate of feed for pigs. Studies have shown that the addition of chitosan in the diet can increase the average daily weight gain of piglets, significantly reduce the diarrhea rate of weaned piglets, significantly increase the piglet's utilization of dry matter, crude fat, and crude protein, and increase the piglet's ileal crude protein, The apparent digestibility of crude fat, crude ash, calcium and phosphorus improves the apparent utilization of feed dry matter, organic matter and nitrogen for piglets. In summary, adding oligochitosan or products containing oligochitosan to the diet can improve the growth performance of pigs and the utilization of nutrients.

1.  Effect of chitosan oligosaccharide on Pig Intestinal Development and Intestinal Microorganism

The pig's intestine is an important place for the digestion and absorption of nutrients. The well-developed intestine and the increase in the population of beneficial microorganisms in the intestine suggest that pigs have a strong ability to digest and absorb nutrients. Studies have shown that the addition of oligochitosan to the diet significantly increases the height of the small intestinal villi and the ratio of the height of the small intestine villi to the depth of the crypts. Increasing the number of bifidobacteria and bacillus in the feces of sows and piglets.

2.  Effect of Chitooligosaccharides on Pig Immune Function

The immune function of pigs is the basis for the healthy growth of pigs, the improvement of the utilization of nutrients and the development of the intestines. The addition of oligochitosan in the diet of perinatal sows significantly increased the contents of immunoglobulin A, immunoglobulin G and interleukin-6 in the sow’s serum, and significantly increased the immunoglobulin G and interleukin in the colostrum of sows The content of -2 and interleukin-6 significantly reduced the number of Salmonella in the feces of sows. The addition of oligochitosan in the diet of weaned piglets significantly increased the content of immunoglobulin G in the serum of weaned piglets and the content of tumor necrosis factor-α. Therefore, the addition of chitosan to the diet can improve the immunity of sows, the content of immunoglobulin in sow milk and the immunity of piglets.

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