Epidemiological and Molecular Characteristics of Piroplasmids and Anaplasma spp. in Tan Sheep, Ningxia, Northwest China

Table 4

Test results of samples of different ages.

Age (months)	Number of samples (s)	Sample positive rate
		Theileria spp.	Babesia spp.	Anaplasma spp.
20–30	55	25.4% (14/55)^A	23.6% (13/55)^A	36.3% (20/55)^A
30–40	49	12.2% (6/49)^B	6.1% (3/49)^B	18.3% (9/49)^B
40–50	46	23.9% (11/46)^A	6.5% (3/46)^B	28.2% (13/46)^A
Total	150	20.7% (31/150)	12.7% (19/150)	28.0% (42/150)

Note. The difference between different letters in the same column is significant (); the difference between the same letter is not significant ().