THE DIRECT MICROSCOPIC SOMATIC CELL COUNT AS A SCREENING TEST FOR CONTROL OF ABNORMAL MILK1

1 February 1971

journal article
Published by International Association for Food Protection in Journal of Milk and Food Technology

Vol. 34 (2) , 76-77
https://doi.org/10.4315/0022-2747-34.2.76

Abstract

The Direct Microscopic Somatic Cell Count can be used advantageously in control of abnormal milk to perform simultaneously screening and confirmation of milk samples. Confidence limits computed according to the individual microscope Strip Factor are used to interpret the count made on a single strip of one of the two milk films. The sample is assigned on the basis of the interpreted count to one of three categories: (a) less than the legal cell concentration maximum ( P <0.05); (b) in the region of the cell concentration maximum and thus subject to confirmation; or (c) greater than the legal cell concentration maximum (P <0.05). For samples in categories (a) or (c) no further counting is required to accept or reject the milk. For samples in category (b), the four-strip confirmatory count may be completed immediately.

Keywords

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