Translations:Basic Field Epi: Participants' Workbook/88/en
Clinical signs of infection in a susceptible flock: NDV is highly contagious and can spread through a susceptible flock in days. Where NDV is endemic it may cause less severe disease.
Clinical signs of infection in a susceptible flock: NDV is highly contagious and can spread through a susceptible flock in days. Where NDV is endemic it may cause less severe disease.
Halaman ini terakhir diubah pada 25 Agustus 2014, pukul 04.08.