专家说现在应该开始繁殖防疾病的种类了。

Expert Says Now is Time to Breed for Disease resistance.

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我们应该根据疾病的种类和病情的轻重来确定病人的饮食。

We should determine the patient's diet according to the type of his illness and its severity .

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治疗患者药物的选择是根据患者疾病的种类、年龄、疾病阶段、对之前治疗的反应以及其他因素做出的。

The choice of drugs used to treat a patient's disease depends on the patient's disease type, age, stage of disease, response to previous treatment and other factors.

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