以下为句子列表：
英文: The results of this study are summarized as follows: immune injecting man-made salmonella propolis inactivated vaccine and avian typhoid 9R live vaccine can protect flocks from infecting salmonella and immuning commercial chichling with man-made salmonell
中文: 研究表明：用禽伤寒9R株活疫苗配合自制沙门氏菌蜂胶灭活苗免疫注射父母代种鸡，可有效防治种鸡群再次感染沙门氏菌病；发病后的商品代雏鸡用药物治疗的同时用自制沙门氏菌灭活苗免疫，可有效降低死亡率。
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