CELA3B and pasteurellosis: Dereje and Shibiru (2016) reported that out of 1632 examined disease outbreaks from 2008 to 2013 in 17 districts in East Wollega zone of Oromia region in Ethiopia (one of the current study sites), 21.8%, 21.6%, 15.6%, 9.3%, 7.8%, and 7.2% were found to be positive for bovine pasteurellosis, blackleg, LSD, FMD, CBPP, and anthrax.