a virus neutralization test <*> was established
The 62 sera samples of giant pandas , <*> were detected .
In order to survey the infectious situation of canine coronavirus ( CCV ) in giant panda population , a virus neutralization test detecting specific antibodies against CCV in giant panda 's sera was established by using two - fold dilutions of serum and 100 TCIDso of the virus .
The 62 sera samples of giant pandas , which were gathered from zoos and reserve region of Sichuan Province , China were detected .