Table 1.

Frequency and distribution of CPV and PCV3 detected by PCR in samples from 8 cities in Guangxi.

Prefecture	Numbers of samples tested	The positive rate of CPV	The positive rate of PCV3	The positive rate of both CPV and PCV3
Chongzuo	41	9	5	2
Guilin	37	13	7	2
Yulin	65	11	7	3
Nanning	96	32	34	17
Beihai	58	13	15	5
Hechi	32	11	6	2
Liuzhou	43	15	9	3
Baise	34	11	13	4
Total (%)	406	115(28.3%)	96(23.6%)	38(9.4%)