NAC584.2111. Confirmatory and screening tests for somatic cells.

     1. Except as otherwise provided in this section for the testing of raw milk from a goat or a sheep, confirmatory or screening tests of samples of raw milk for somatic cells must be made using the Direct Microscopic Somatic Cell Count (Single Strip Procedure) or Electronic Somatic Cell Count procedure.

     2. For the testing of raw milk from a goat, if the test conducted pursuant to subsection 1 indicates the presence of 1,500,000 or more somatic cells, the Pyronin Y-Methyl Green Stain or the “New York” modification procedure must be used to confirm the range of somatic cell levels. Screening tests conducted pursuant to this subsection must be conducted by an analyst certified to conduct that procedure.

     3. For the testing of raw milk from a sheep, if the test conducted pursuant to subsection 1 indicates the presence of 750,000 or more somatic cells, the count must have been derived from or be confirmed by the Pyronin Y-Methyl Green Stain or the “New York” modification procedure.

     [Bd. of Health, Raw Milk Reg. § 4.3, eff. 1-7-82]—(NAC A by Dairy Comm’n by R082-11, 5-30-2012)