Medicine composition for preventing and controlling respiratory tract virus and bacterial infection of birds and preparing method
A technology for bacterial infection and respiratory tract, applied in the field of livestock and poultry medicine, can solve problems such as single function, difficult compound ingredients, difficult development and screening, etc., and achieve the effect of convenient use
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Embodiment 1
[0026] ①According to the formula, weigh 400g Radix Isatidis, 200g Rhizoma Coptidis, 250g Honeysuckle, 300g Scutellaria, 200g Shandougen, 150g Licorice, add 4 times distilled water for the first time, heat to boiling, extract for 0.5 hour, filter and take the filtrate; Add 7 times the amount of water at a time, heat to boiling for 1 hour, and collect the filtrate by filtration; the third time is the same as the second time, then the three extracts are combined and heated and concentrated to 1200ml.
[0027] ②Add ethanol to make the ethanol concentration of the drug solution 50%. After shaking, let it stand overnight at low temperature, centrifuge to drive off the precipitate, recover the supernatant, and heat under reduced pressure to recover ethanol to make the drug solution volume to 1200ml. Use the above method to pass 65% and 80% ethanol and alcohol precipitation twice, and finally concentrate the liquid to 1200ml.
[0028] ③ Add 3g of sodium bisulfite to the solution and stir ...
Embodiment 2
[0030] ①According to the formula, weigh 400g Isatis root, 200g Rhizoma Coptidis, 250g Honeysuckle, 300g Scutellaria baicalensis, 200g Shandou root, 150g licorice, add 4 times distilled water for the first time, heat to boiling, extract for 1 hour, filter the filtrate; Add 6 times the amount of water at a time, heat to boiling for extraction for 1 hour, and collect the filtrate by filtration; the third time is the same as the second time, then the three extracts are combined and heated to 1200ml.
[0031] ②Add ethanol to make the ethanol concentration of the drug solution 50%. After shaking, let it stand overnight at a low temperature, centrifuge to remove the precipitate, recover the supernatant, and heat under reduced pressure to recover ethanol to make the drug solution volume to 1200ml. After 65% and 80% ethanol and alcohol precipitation 2 times, the liquid medicine is finally concentrated to 1200ml.
[0032] ③ Add 3g of sodium bisulfite to the liquid medicine and stir to disso...
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