a decreasing trendP < 0.1
Enteritidis -Challenged Laying Hens During the post-salmonella challenge period (from day 21 to day 42), compared with the CON group, the egg production of SCON hens had a decreasing trend (0.05 < P < 0.1, Table 1 ).
Enteritidis -Challenged Laying Hens During the post-salmonella challenge period (from day 21 to day 42), compared with the CON group, the egg production of SCON hens had a decreasing trend (0.05 < P < 0.1, Table 1 ).