Division (b) The sampling by the competent authority shall at least provide for:

sampling of flocks of breeding turkeys:

• once a year, all flocks with at least 250 adult breeding turkeys between 30 and 45 weeks of age and all holdings with elite, great grand parents and grand parent breeding turkeys; the competent authority may decide that this sampling may also take place at the hatchery; and

• all flocks on holdings in case of detection of Salmonella Enteritidis or Salmonella Typhimurium from samples taken at the hatchery by food business operators or within the frame of official controls, to investigate the origin of infection;

sampling of flocks of fattening turkeys shall be done once a year, at least in one flock on 10 % of the holdings with at least 500 fattening turkeys;

sampling may be done on a risk basis and additionally each time the competent authority considers it necessary;

a sampling carried out by the competent authority may replace the sampling by the food business operator as referred to in point (a).