Table 1 The egg weight, rate of egg hatching, and detection of Spiroplasma from eggs and larvae of Haemaphysalis longicornis according to injection group.

From: Investigation of vertical and horizontal transmission of Spiroplasma in ticks under laboratory conditions

Group

Mean of Egg weight/body weight (SD)

Median of hatching rate (IQR) (%)

Detection of Spiroplasma from egg (No. of positive)

Detection of Spiroplasma from larvae (No. of positive)

Sample size (No. of fed females)

PBS

45.1 (6.5)

89.9 (72.5–95.2)

0

0

6

PBS_PG

44.9 (5.3)

88.6 (73.3–94.7)

0

0

7

SI_High_wo

38.3 (5.4)

80.3 (48.4–84.8)

2 (three pools each)

2 (three pools each)

7

SI_High_PG

46.9 (1.8)

84.0 (78.4–97.3)

1 (two pools)

1 (two pools)

3

SI_Low_wo

45.9 (6.0)

92.7 (56.1–95.1)

0

0

7

SI_Low_PG

46.6 (1.6)

80.9 (64.6–95.7)

0

0

6

SM_High_wo

49.2 (3.6)

83.8 (58.9–88.6)

0

0

7

SM_High_PG

39.3 (12.7)

65.6 (31.8–82.5)

0

0

7

SM_Low_wo

51.1 (3.4)

83.6 (77.1–85.3)

0

0

7

SM_Low_PG

50.3 (4.7)

73.7 (47.6–91.2)

0

0

6

  1. PBS_PG, PBS + penicillin G sodium salt; SI_High_wo, S. ixodetis (5 × 1011 bacteria); SI_High_PG, S. ixodetis (5 × 1011 bacteria) + penicillin G sodium salt; SI_Low_wo, S. ixodetis (5 × 108 bacteria); SI_Low_PG, S. ixodetis (5 × 108 bacteria) + penicillin G sodium salt; SM_High_wo, S. mirum (5 × 1011 bacteria); SM_High_PG, S. mirum (5 × 1011 bacteria) + penicillin G sodium salt; SM_Low_wo, S. mirum (5 × 108 bacteria); SM_Low_PG, S. mirum (5 × 108 bacteria) + penicillin G sodium salt; SD, standard deviation; IQR, interquartile range.