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Table 1 Evaluation of the effect of multivalent anti-tick vaccine on the biological fitness of normal Rhipicephalus appendiculatus adult ticks and nymphs from the Muguga colony

From: Induction of humoral immune response to multiple recombinant Rhipicephalus appendiculatus antigens and their effect on tick feeding success and pathogen transmission

 

Vaccinated cattle hosts (n = 20)a

Control cattle hosts (n = 10)a

U-valueb

P-valueb

Nymphs

Average weight of 100 nymphs

1.2 ± 0.0

1.2 ± 0.0

100.0

< 0.999

Nymphs molting successfully of 100c

98.1 ± 0.4

97.9 ± 0.4

79.0

0.351

Adults

Number of engorged females recovered from 50 applied

46.5 ± 1.3

45.9 ± 1.0

71.5

0.208

Average adult female replete weight (mg)

528.0 ± 12.0

548.0 ± 9.0

69.5

0.187

Total egg weight laid (g)

13.4 ± 0.6

11.5 ± 0.9

64.0

0.117

Average egg weight/tick (mg)

304 ± 17

246 ± 15

56.5

0.056

  1. aValues represent the mean ± standard error of the mean (SEM)
  2. bMann-Whitney test: vaccinated vs control group
  3. cPercentage of nymph ticks successfully molting to the adult stage in a random population of 100 individuals collected for monitoring