Does organic milk have a longer shelf-life than regular milk? If so, why?

Nothing about organic milk, in itself, makes it last longer than regular milk. However many processors apply ultra-pasteurization processes to organic milk, which extends its shelf-life 60-90 days since higher-heat pasteurization eliminates more bacteria.
 
Source(s):
Steven C. Murphy, Senior Extension Associate (Milk Quality Improvement Program)
Department of Food Science, Cornell University

 
 

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