The yearly percentage of animals infected with flea,Gamasid mite and chigger was . %, . % and .0 %,respectively.
The yearly percentage of animals infected with flea,Gamasid mite and chigger was . %, . % and .0 %,respectively.
年度动物染蚤、革螨、恙螨率分别为 . %、 . %、 .0 % ;