Official control and self-monitoring: Data agreement report in the integrated food safety system of an Italian dairy chain

Francesco Martelli, Claudia Giacomozzi, Roberto Dragone, Carlo Boselli, Simonetta Amatiste, Giovanni Brajon, Gerardo Grasso, Alberto Mantovani, Chiara Frazzoli

Research output: Contribution to journalArticle

Abstract

The dairy industry's silos is a critical point in the safety and quality control system. However, limited scientific evidence is available on measurement agreement between the milk analyses done by official control bodies and the self-monitoring analyses done by milk processing industries. Milk production data from a milk processing plant were collected for four months and analyzed by an official control body and the dairy company for freezing point, total bacterial count, somatic cell count, and for fat, lactose and protein percentages. Correlation and Bland-Altman analysis showed a good agreement between the two determinations for most of the variables (Spearman's rho > 0.82 for Somatic cell count, Fat% and Protein %), while low agreement was found for total bacterial counts (Spearman's rho =0.78). It was found that the difference between total bacterial counts was influenced by collecting route, time between sampling and analysis, and milk temperature inside the truck tank.

Original languageEnglish
Pages (from-to)185-190
Number of pages6
JournalInternational Dairy Journal
Volume97
DOIs
Publication statusPublished - Oct 2019

ASJC Scopus subject areas

  • Food Science
  • Applied Microbiology and Biotechnology

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