Figure 3From: Immunogenicity and protection of a Pasteurella multocida strain with a truncated lipopolysaccharide outer core in ducksSafety assay. Approximately 109 CFU of the mutant PMZ2 (ΔgatA*) or PBS was inoculated into ducklings (n = 10/group) orally, and then the body temperatures (A) and body weights (B) of ducks in each group were measured every 2 days during a 14-day period.Back to article page