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Table 1 Susceptibility of passerine birds to Plasmodium homocircumflexum (lineage pCOLL4) infection after experimental exposure

From: Patterns of Plasmodium homocircumflexum virulence in experimentally infected passerine birds

Bird species, group and infection dose No. exposed (no. infected) No. died Prepatent period (days) Maximum parasitemiaa Minimum hematocrit valuea Maximum weight, ga No. of individuals with phanerozoites located in
Brain Heart Liver Lung Spleen Kidney Muscle
Loxia curvirostra
 Experimental (3 × 106)b 8 (8) 7 4–8 3.3–23.3 (10) 12.5–33.3 (23.8) 37.4–45.4 (42.5) 7 8 8 8 8 8 8
 Control 8 (0) 0 27.6–50 (43.7) 39.2–48.8 (43.9) 0 0 0 0 0 0 0
Sturnus vulgaris  
 Experimental (9.5 × 105)b 8 (8) 3 4–12 0.1–30 (13) 18.6–33.3 (28.15) 65.5–91.1 (80.2) 0 0 0 0 0 0 0
 Control 8 (0) 1 31.4–37 (34.2) 71.8–83.8 (77.4) 0 0 0 0 0 0 0
Passer domesticus
 Experimental (8 × 105)b 8 (8) 5 5 0.1–41.4 (9.4) 11.4–40 (28.1) 24.5–30.2 (28.4) 4 4 8 8 7 7 4
 Control 8 (0) 2 28.6–45.5 (37.5) 26.8–31 (28.75) 0 0 0 0 0 0 0
Fringilla coelebs
 Experimental (5 × 105)b 8 (8) 3 5 0.1–40.4 (11.5) 21–42 (31) 20.7–23.7 (22.) 2 2 4 7 4 4 2
 Control 8 (0) 1 31–47.8 (40.3) 20.6–24.9 (23.1) 0 0 0 0 0 0 0
  1. aVariation of individual parameters, followed in parentheses by the average for entire group
  2. bDose (total number of mature meronts) inoculated in each individual bird. It was difficult to standardize dose of infection in all experimental groups, mainly due to difficulty to standardize and calculate certain number of mature erythrocytic meronts in each inoculum, particularly in different year experiments. That is why comparison of quantitative data between bird species should be done with caution