Figure 3 | Scientific Reports

Figure 3

From: Gut microbiota-mediated protection against influenza virus subtype H9N2 in chickens is associated with modulation of the innate responses

Figure 3

Avian influenza virus subytpe H9N2 shedding. Viral shedding was measured by tissue culture infectious dose 50/ml (TCID50/ml) in MDCK cells. Chickens were infected with 400 μl of 107 TCID50/ml at 17 day of age through the oral-nasal route. Oropharyngeal and cloacal swabs (n = 9) were collected at day 5 post-infection. Treatments with different letters within a sample site differ significantly from each other (P < 0.05). Virus shedding from control group was undetected. und = undetected virus shedding.

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