Resistant parasites (Turkey giardia, trichomoniasis) smoked slurry bacteria resistance and antibacterial effects. Especially for swine dysentery caused by treponema is very effective. In addition, also is a kind of good growth promoters, have the effect of the weight gain and improve feed conversion rate. Its stability and good compatibility, can with other feed additives such as bacitracin zinc, nitrate cefuroxime ene hydrazone, oxytetracycline and chlortetracycline, Virginia mildew genera, tirol and trace elements such as copper, zinc, without adverse effects.