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Table 1 Virus titers determined by titration in SPF eggs for different tissues from chickens and ducks intravenously infection with H9N2 virus

From: Ducks induce rapid and robust antibody responses than chickens at early time after intravenous infection with H9N2 avian influenza virus

Time Animal Virus titers in different tissues (log10EID50/g)
tonsil spleen lung intestine brain thymus fabricius trachea heart liver kidney pancreas Ovary
(testisb)
1 dpi Duck 1 /a / 3.5 / / / / / / / / / /
Duck 2 / / 2.25 / / / / / / / / / /
Duck 3 / / 2.5 / / / / / / / / / /
Chicken 1 4.5 1.25 1.25 / / 1.25 1.25 1.75 / / / / /b
Chicken 2 4.25 2.25 2.5 1.25 / 4.5 4.5 1.75 / / 5.5   1.5b
Chicken 3 3.5 2.5 1.98 / / 3.5 5.5 5.75 / / / / /
2 dpi Duck 4 / /   / / / / / / / / / /
Duck 5 / / 3.5 / / / / / / / / / /
Duck 6 2.25 / / / / / / / / / / / /
Chicken 4 7.5 4.5 7.75 / 2.5 4.5 2.5 7.5 3.5   3.5   7.5
Chicken 5 7.75 1.25 5.5 2.75 / 5.5 2.25 4.5 / / / / /
Chicken 6 4.5 1.98 5.75 3.75    2.25 7.5 3.5   1.25 1.5 3.5
3 dpi Duck 7 / / / / / / / 3.5   / / / /
Duck 8 2.5 / / / / / / / / / / / /
Duck 9 / / / / / / / / / / / / /
Chicken 7 4.5 2.5 5.5 1.25 / 3.75 3.5 7.5 1.98 / 2.5 1.98 1.98b
Chicken 8 4.5 2.75 14.5 3.5 / 3.5 4.5 6.5 1.5 / 2.5 4.5 2.5b
Chicken 9 5.5 7.25 8.75 3.5 / 1.98 6.5 6.5 5.25 / 8.75 / 6.64b
  1. aNote: /, means no virus was detected from this sample in SPF eggs; and other numbers in this table are described as log10EID50/g for their virus titers
  2. b, means this sample was from duck or chicken testis