当前猪呼吸道疾病综合征（porcine respiratory disease complex PRDC）已成为影响养猪业经济效益的头号疾病。类似这种由多种病原、多因素相互作用引起的混合感染，将是今后养猪业面临的主要难题。
基于8个网页-相关网页
猪呼吸道疾病综合征 PRDC ; porcine respiratory disease complex ; Porcine Respiratory Disease PRDC
鸡呼吸道疾病综合征 Chicken Complicated Respiratory Disease
牛呼吸道疾病综合征 Bovine respiratory disease complex
为猪呼吸道疾病综合征 Porcine Respiratory Disease Complex
和呼吸道疾病综合征 porcinerespiratory disease syndrome
猪的呼吸道疾病综合征 porcine respiratory disease complex
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.
2003年出现的严重急性呼吸道综合征比以往任何疾病暴发更明确地显示世界的相互联系已变得多么密切以及新的疾病可多么迅速地传播。
The emergence of SARS in 2003 demonstrated as no previous disease outbreak ever had how interconnected the world has become and how rapidly a new disease can spread.
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.
应用推荐