virus (1) temps (durée) (1) domaine public (1) volaille (1) analyse (1) acide aminé (1) champ (1) embryon (1) comparaison (1) Comparison (1) Control (1) Genetic markers (1) Origin (1) Vaccines (1) Time (1) Reading (1) Public domain (1) Poultry (1) Evidence (1) Canada, Eastern (1) Regions (1) Reading (1) Analysis (1) Reference (1) Origin (1) Infections (1)