[The Healthy Poultry Concept in Scandinavia]

animal health aves de corral bronchite bronchitis bronquitis comercio internacional commerce international danemark denmark dinamarca enfermedad de newcastle finland finlande finlandia iceland importaciones importation imports infection international trade islande islandia laringotraqueitis laryngotracheitis maladie de newcastle newcastle disease noruega norway politique du commerce international poultry rhinotracheitis rinotraqueitis sanidad animal suecia sweden trade policies volaille