Survey of <i>Leucocytozoon</i> infections in domestic chickens in China.

Location, names of sampling locations, district/city and province; No. birds Exam, numbers of chicken examined; No. birds infected, numbers of chicken infected; positive rate, percentage of chicken infected with Leucocytozoon; Ave. ‰ gam. rate (±SD), averaged numbers of gametocytes per 1000 red blood cells; SD, standard deviation. * Initial smear from one chicken was negative, but gametocytes were found in subsequent examinations.