1做好畜禽驱虫前的准备工作。根据畜禽品种的不同,选用与之相对应的药物、器械,选择好场地,备足所需驱虫药、稀释液、应激抢救药及解毒药品,并计算好药品剂量、使用浓度。对大群牲畜驱虫时,事先要挑选大、中、小牲畜各1头,按不同剂量分别用药,待观察安全有效、无明显副作用后,才能大群投药驱虫。大牲畜投药、注射时要注意保定,避免损伤工作人员。禽群用药时,也要事先用几十只进行给药试验。驱虫 1 to do a good job before the de-worming livestock preparation. According to the different varieties of livestock and poultry, choose the corresponding drugs and instruments, choose a good site, prepare enough deworming drugs, diluents, stress rescue drugs and detoxification drugs, and calculate the dose of drugs, the use of concentration. When deworming a large herd of livestock, one large, medium and small livestock should be selected in advance and administered separately at different dosages. After being observed safely and effectively, there is no obvious side effect before a large group can be given insecticide. Large livestock dosing, injection should pay attention to Baoding, to avoid damage to staff. When the flock medication, but also with dozens of prior to the administration test. Deworming