Leucocytozoonosis was found in three layer farms in chickens with suspected fatty liver or fatty liver hemorrhagic syndr......

共调查4目、19科、19属、28种计1 074只鸟类,其中有 4目、12科、12属 16种共289只鸟类感染住白虫,平均感染率 26.0％。住白虫经形态......