I love these journal articles. Yes, raw milk is better for allergies, but we don’t recommend drinking it because we haven’t worked out exactly why it’s good.
http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2222.2010.03665.x/abstract
“Although the epidemiological evidence consistently suggest a protective role of unprocessed cow’s milk consumption on the development of asthma, hay fever and atopic sensitization the underlying mechanisms are not yet understood and the consumption of raw milk cannot be recommended as a preventive measure for allergic diseases.”
http://www.ncbi.nlm.nih.gov/pubmed/17456213
But just so I don’t get sued, before you drink raw milk have a look here http://www.realrawmilkfacts.com