21—64.187 (163) Surveillance procedures. Surveillance procedures shall only apply to commercial poultry flocks of 10,000 or more layers, commercial chicken broiler operations with 10,000 or more broilers, and commercial turkey operations with 1,000 or more turkeys. Breeders that participate in, and qualify under, the USDA, APHIS, NPIP U.S. Avian Influenza Clean Program meet or exceed the surveillance provisions of this plan and are exempt from further certification under this rule. For poultry flocks, surveillance procedures shall include the following:
	 64.187(1) Turkeys and turkey poults.
	  a.   	 Preslaughter/movement testing. A minimum of 15 blood samples may be collected and forwarded to an approved laboratory for LPAI testing within 21 days prior to depopulation or movement; or
	  b.   	 Slaughter/disposal testing. Twenty blood samples shall be collected at slaughter/disposal and forwarded to an approved laboratory for LPAI testing.
	  c.   	 Sick flock testing. Twenty blood samples shall be collected between 10 days and 21 days after the onset of respiratory disease and forwarded to an approved laboratory for LPAI testing, and 20 pharyngeal swabs shall be collected at onset of respiratory disease and forwarded to an approved laboratory for LPAI testing.
	  d.   	 Routine serologic testing. A test for LPAI should be included.
	 64.187(2) Laying chickens and pre-lay pullets.
	  a.   	 Preslaughter/disposal/movement testing. Fifteen blood samples shall be collected and forwarded to an approved laboratory for LPAI testing within 30 days prior to depopulation or disposal of spent hens or movement of pre-lay pullets to another farm.
	  b.   	 Sick flock testing. Twenty blood samples shall be collected between 10 days and 21 days after the onset of respiratory disease and forwarded to an approved laboratory for LPAI testing, and 20 pharyngeal swabs shall be collected at onset of respiratory disease and forwarded to an approved laboratory for LPAI testing.
	  c.   	 Routine serologic testing. A test for LPAI should be included.
	 64.187(3) Broiler chickens.
	  a.   	 Preslaughter testing. Twenty blood samples may be collected and forwarded to an approved laboratory for LPAI testing within 21 days prior to depopulation; or
	  b.   	 Slaughter/disposal testing. Twenty blood samples shall be collected at slaughter/disposal and forwarded to an approved laboratory for LPAI testing.
	  c.   	 Sick flock testing. Twenty blood samples shall be collected between 10 days and 21 days after the onset of respiratory disease and forwarded to an approved laboratory for LPAI testing, and 20 pharyngeal swabs shall be collected at onset of respiratory disease and forwarded to an approved laboratory for LPAI testing.
	  d.   	 Routine serologic testing. A test for LPAI should be included.