...ression System porcine dermatitis and nephropathy syndrome, PDNS)和呼吸道疾病综合征(porcinerespiratory disease syndrome, PRDS)有关,这些疾病的流行给世界养猪业带来巨大的经济损失,更为严重的是PCV2的感染可以造成免疫抑制,引起..
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它们包括一份疾病清单,例如天花、脊髓灰质炎和严重急性呼吸道综合征,其发生必须向世卫组织通报。
They include a list of diseases such as smallpox, polio and SARS whose occurrence must be notified to WHO.
严重急性呼吸道综合征和禽流感等新疾病正在以史无前例的速度出现。
New diseases, like SARS, like avian influenza, are emerging at an historically unprecedented rate.
猪繁殖障碍与呼吸道综合征(PRRS)和猪圆环病毒2型(PCV-2)是近几年来严重危害猪群的两大免疫抑制性疾病。
Porcine reproductive and respiratory syndrome(PRRS) and porcine circovirus type 2(PCV-2) are two immunosuppressive diseases which are greatly endangering swine in recent years.
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