No anti-feeding 02 "raise animals without antibiotics, plant agents are rammed, oriental Chinese herbal medicine is a treasure house, helping anti-oxidation."

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In recent years, the demand for human health food made from natural plants is becoming more and more rampant, and there is also a trend of "phytogenics" in the animal husbandry industry. Many international studies have shown that adding plant essential oils, plant extracts and plant powder to feed has many benefits to animals, such as helping animals to resist bacteria, increase immunity and antioxidation, promote intestinal health and improve nutrition utilization.

According to a survey report by global market research company MarketsandMarkets in June 2016, the market for plant feed additives will grow at an annual compound growth rate of 7.1% from 2016 to 2021, and is estimated to reach US $769.5 million by 2021. In addition, the results of a large-scale survey released by Austrian feed additive company Biomin in 2018 also showed that more than 60% of livestock farmers said they would increase the use of plant agents in the coming year.

The plant growth agent is ramming, and the oriental Chinese herbal medicine is a treasure house to help calm the mind and prevent dysentery in piglets.

Spice plants commonly used in the West, such as Oregon leaves and rosemary, are used as raw materials for plant growth agents, while the East has a rich foundation of Chinese herbal medicine and has a bright future in this field. Yu Bi has worked with China Medical University to add traditional Chinese medicine and lactic acid bacteria to feed to improve the troublesome diarrhea problem of piglets in animal husbandry. She uses traditional Chinese medicine to treat human dysentery and has bacteriostatic effect, supplemented by her screened probiotics, which can transform plant ingredients, make the bacteriostatic effect stronger, and achieve the additional effect.

The compound of Chinese herbal medicine used in people can also be used in animals. Yu Bi said that for example, piglets have to be tied up after weaning, because they are easy to get nervous and run around because of changing feed and changing the new environment, and nutritional dysentery often occurs, which is a point in time when pig farming can easily cause losses. She uses a traditional Chinese medicine compound with a calming effect plus lactic acid bacteria to help the piglets ease their mood and diarrhea. "treatment is not only part of the body, but also psychology."

Upstream and downstream materials according to mushroom stalks and garlic stalks, agricultural wastes are turned into good ways for animal health.

At present, most of the domestic plant agent feed additive products are still imported and the price is expensive. Yu Bi, for example, "like echinacea is widely used in Germany, and it has also been planted in Taiwan. It is really effective in animals. The problem is that it is very expensive, more than 1,000 yuan a kilogram." Even if the large flowers and abundant grass can be seen everywhere, after extraction, the price is still high.

In order to reduce the cost of plant agents, one of Li Zitai's research directions is to find resources from agricultural by-products or wastes. The mushroom stalks left in the space bag after the mushrooms were harvested, the garlic stalks left after the garlic was cut off, and the mulberry leaves that the silkworm baby could not eat were all treasures added to the feed in his eyes.

"Mushroom stalks contain polysaccharides, triterpenes and phenols, which are good for antioxidation and immunity in broilers," he said. He will continue to experiment with laying hens and laying ducks this year.