Effect of Chinese herbal medicine feed additive instead of antibiotics and existing problems
Chinese herbal medicine is a natural substance, safe and reliable, and has little toxic adverse reactions. Due to the extensive antibacterial effect and synergistic use without drug resistance, the shortcomings of antibiotics are overcome. Some Chinese herbal medicines are rich in protein, vitamins and minerals, and have both pharmacological and nutritional functions.
The main functions of Chinese herbal medicine feed additives: 1) qi and digestion, help the spleen and stomach, such as: tangerine peel, Divine Comedy, malt, medlar and hawthorn. The aromatic flavor of these drugs can not only correct the taste of the feed, but also improve the palatability of the feed. After entering the gastrointestinal tract, it can also enhance the secretion of digestive juice. 2) Promote blood circulation and promote metabolism, such as: safflower, angelica, motherwort and spatholobus stems, etc., which directly or indirectly dilate blood vessels, strengthen blood circulation and enhance gastrointestinal function. 3) Detoxification, bactericidal and anti-disease, such as: honeysuckle, forsythia, Jingsuke, Bupleurum, wild chrysanthemum and medical stone. These Chinese herbal medicines have antibacterial and anti-inflammatory effects, which can both diarrhea and laxatives. With these Chinese herbal medicine additives, it can prevent infectious diseases such as influenza and dysentery and protect animal health. 4) Deworming, such as: betel nut, Guanzhong, Gentleman, Hundred and Sulfur. It can eliminate the effects of insecticides and spleen and longevity. 5) Xuanfei Huatan, cough and asthma, such as: Huashanshen, Niuhuang, Realgar, Atractylodes, Banlangen, borneol, Campanulaceae, glutinous rice dumplings, medlar, horse money, borax and hexazone, etc. It has a significant effect on the treatment of infectious bronchitis in chickens.
The main problems are as follows: 1) The efficacy of Chinese herbal medicine is complex and susceptible to factors such as raw material origin and harvesting season, which makes its efficacy and quality unstable, so the application effect is often inconsistent. 2) The amount of effective additive is too high (5%~20%), which makes it costly to apply. 3) Lack of scientific data on the safety of their feed.
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