| prevalence and geographic distribution of besnoitia besnoiti infection in cattle herds in portugal. | bovine besnoitiosis, caused by the apicomplexan parasite besnoitia besnoiti is considered an emergent disease in europe. this study aimed to determine the prevalence and geographic distribution of b. besnoiti in cattle herds in continental portugal and to identify potential spatial clustering of infection. a stratified two-stage cross-sectional serological survey was carried out between march 2012 and may 2013 with the five administrative nuts ii regions, norte, centro, lisboa, alentejo, and alg ... | 2014 | 25033814 |