Campylobacter most common pathogen found in dairy cattle A study conducted at 185 dairy farms found the Campylobacter bacterium at 91% of those farms. Out of the pathogens that were studied, this type of bacteria is the most common in dairy cattle.
EFSA agrees with RIVM that potential effect of BPA on the immune system requires further attention RIVM expressed concerns on the effects of bisphenol a (BPA) on the immune system in a report issued in March 2016.