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.
Tick found in Drenthe is a Hyalomma tick RIVM has investigated the so-called giant tick that was found in Odoorn in the province of Drenthe on 13 July. It is a Hyalomma marginatum female.