Article 9 Sampling of breeding flocks
(1)
The occupier must take samples from each breeding flock on the holding at the following times—
(a)
when the birds in the flock are chicks;
(b)
when the birds in the flock are four weeks old;
(c)
two weeks before the date the flock is expected to come into lay or move to the laying phase or laying unit; and
(d)
every second week during the laying period.