| prevalence of coccidial infection in dairy cattle in shanghai, china. | the prevalence of coccidial infections in dairy cattle was examined in shanghai from november 2010 to march 2011. in total, 626 fecal samples from 24 dairy farms were examined; oocysts were identified to the species level based on morphological features. all herds were infected with eimeria species. the overall prevalence of coccidia was 47.1%, with the highest prevalence in <4-mo-old calves (51.8%) and the lowest in >12-mo-old cattle (27.0%). the number of oocysts per gram of feces was signific ... | 2012 | 22590990 |