16Newcastle disease—carriers

#### 16 Newcastle disease—carriers 16 Newcastle disease—carriers > > (1) The owner of a commercial flock of domestic chickens must ensure that the chickens are vaccinated in accordance with the national Newcastle disease vaccination program—Standard operating procedures published by Animal Health Australia. > > > (2) In this clause— > > > > commercial flock of chickens means 1,000 or more chickens that are managed as a group. > > Note. > > Newcastle disease is a prohibited matter under Part 4 of the Act.