The regulations for two metrics used to measure quality were last updated in 2013. However, yes the results of milk tests do show better performance of farms today! Learn more: https://agriculture.canada.ca/en/canadas-agriculture-sectors/animal-industry/canadian-dairy-information-centre/dairy-statistics-and-market-information/farm-statistics/somatic-cell-and-bacteria-counts (note: various measures can be used in different provinces, so one can look at progress over time in a province, but not necessarily compare province to province)
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