A Study On Bacteriostatic Effect Of Several Kinds Of Chinese Herbal Medicine Against Escherichia Coli And Sheep Liveweight Gain

Ovine Colibacillosis,which has the characteristics of rapid onset and death time soon,can occur allthe year, especially in winter. EPEC and EIEC are the two important Pathogen. The former causes thediarrhea and the latter causes the acute septicemia.The antibacterial activity of different concentrations of Several chinese herbal medicine anddifferent prescriptions water decoction extract is researched. The result is that?the sequence of thechinese herbal medicine sensitivity for Escherichia coli is that Myrobalan> Scutellaria>Coptis>rhubarb> cortex> Fraxini> Cortex Phellodendri> purslane>the root of Chinese pulsatilla.Thedifferent prescriptions have some antibacterial effect.The chinese herbal medicine and differentprescriptions can be applied to practise.In order to raise the digestive power and immunity of sheep, the mixture of chinese herbalmedicine is made of additive. The result showed that the The effect of weight gain of experimentalgroup is better,compared with control group. The additive can also increase the percentage ofneutrophils in the blood of sheep.So,lamb diets with2%additive can reduce the lamb stress,and raisethe effect of weight gain,and enhance the immunity of sheep.