The researchers, led by virologist Andrew Rambaut at University of Edinburgh, called for better tracking of pig populations to identify dangerous diseases sooner.

在英国爱丁堡大学病毒学学家安德鲁·拉姆鲍特带领下，这批研究者呼吁尽快对猪群进行追踪调查以鉴别各种危险的疾病。

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Many important diseases only spread comparatively short distances from pig to pig.

许多重大疾病只能在相对较短的距离内从一头猪传给另一头猪。

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In the practical pig production, endotoxin contained in the air and feeds and induced by diseases can have a negative impact on the health and production performance of pigs.

在实际养猪生产中，空气和饲料中的内毒素以及疾病诱导产生的内毒素均能对猪只健康及生产性能产生不利影响。

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Many researchers worry that pig diseases could be transferred to humans during such procedures.

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But transplanting pig cells into people is still controversial, since it brings the risk of transplanting pig diseases (which may be contagious) at the same time.

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The government of Changsha in Hunan has reassured worried residents that no infectious diseases have been discovered in the pig carcasses in Liuyang river, Global Times reports.

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