Skip to main content
. 2016 Oct 4;96(2):295–302. doi: 10.3382/ps/pew255

Table 4b.

Mean ± SD viable count of Escherichiia coli (O1:K11:H7) isolated from organs and blood of infected 500 COBB broiler chicks (replicate group).

Spleen Lung Bloodc
Group DPI Mean CFU/g(mL) Mean CFU/g(mL) Mean CFU/g(mL)
Control 7 94.67 ± 8.32a 103.33 ± 10.40a 104.33 ± 9.29a
14 154.33 ± 42.47a 161.66 ± 43.68a 162 ± 43.55
21 399 ± 13.52a 417 ± 52.6a 432 ± 72.64
28 464 ± 53.73b 470.33 ± 50.9b 496.33 ± 76.13
ΦKAZ14 7 90.66 ± 2.30a 100.67 ± 0.57a 93 ± 3.46
14 80.67 ± 2.08a 94 ± 3.46a 90
21 60a 86.67 ± 10.01a 79.33 ± 1.15
28 56.33 ± 5.68b 77 ± 4.35b 80
C-ΦKAZ14NP 7 86 ± 5.19a 87.33 ± 4.16a 79 ± 3
14 56.67 ± 4.16a 66.33 ± 4.50a 47.33 ± 8.32
21 34.33 ± 20.64a 44.67 ± 15.53a 34 ± 16.52
28 13 ± 3.46 34 ± 16.52b 9.33 ± 1.15

a= including birds that died before sacrifice, b= all survivor birds before sacrifice, c= all live birds before mortality and sacrifice, DPI = Day post infection, ϕKAZ14 = unprotected bacteriophage, C-φKAZ14NP = chitosan nanoparticle protected bacteriophage.