野生鸟类，特别是水鸟是低致病性禽流感病毒生态学的关键因素。
Wild birds, particularly waterfowl, are a key element of the viral ecology of low pathogenic avian influenza.
目前对于与低致病性禽流感病毒接触猎杀者和猎犬是否有健康危险这一问题还不清楚。
There is no known health risk to hunters or hunting dogs from contact with low pathogenic forms of avian influenza virus.
相当多的旁证表明侯鸟能够传播低致病性禽流感的H5和H7亚型病毒给家禽，然后，变异成高致病性类型。
Considerable circumstantial evidence suggests that migratory birds can introduce low pathogenic H5 and H7 viruses to poultry flocks, which then mutate to the highly pathogenic form.
在家禽中，感染禽流感病毒导致两种主要疾病形式，区别为低致病性和高致病性。
In domestic poultry, infection with avian influenza viruses causes two main forms of disease, distinguished by low and high extremes of virulence.
按照在禽类群体中的致病力，可将禽流感病毒分为两类：高致病性或低致病性。
AI viruses are divided into two groups based on their ability to cause disease in poultry: high pathogenicity or low pathogenicity.
按照在禽类群体中的致病力，可将禽流感病毒分为两类：高致病性或低致病性。
AI viruses are divided into two groups based on their ability to cause disease in poultry: high pathogenicity or low pathogenicity.
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