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Effect of several factors on total and differential counting of somatic cells in farm bulk tank milk


, : Effect of several factors on total and differential counting of somatic cells in farm bulk tank milk. Journal of Food Protection 41(2): 96-99

Samples from approx. 1000 bulk tanks from widely separated areas of Ontario were examined over 1 yr. Total and differential somatic cell content was estimated electronically. A high degree of reproducibility was shown both in total cell count and in % of cell vol. in specific size ranges (channels) determined with a Coulter Model TA electronic counter. Use of a single count per dilution made little practical difference when compared with using the av. of 2 counts per dilution.

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