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. 2021 Sep 16;12:657542. doi: 10.3389/fmicb.2021.657542

Table 7.

Jejunal immune factors of yellow-feathered breeder hens.

CL CBH CBL SB BAG SEM Value of p
IL-4 pg/mg pro 9.18a 7.53ab 8.91a 6.53b 7.30ab 0.32 0.068
IL-6 μg/mg pro 2.04a 1.39b 1.69ab 1.36b 1.54b 0.16 0.011
IL-1β ng/mg pro 3.86a 3.80a 3.99a 3.31b 3.94a 0.31 0.020
TNF-α ng/mg pro 9.70 9.28 9.53 7.82 9.83 0.86 0.414
IgM μg/mg pro 10.16 10.63 12.07 9.03 10.49 1.27 0.297
IgA μg/mg pro 12.56ab 12.16ab 14.55a 10.87b 13.45ab 1.09 0.043
IgY μg/mg pro 150.22a 134.93ab 159.60a 117.26b 141.16ab 4.68 0.018
ab

Means within a row lacking a common superscript differ significantly (p<0.05).

IL-4, interleukin 4; IL-6, interleukin 6; IL-1β, interleukin 1β; TNF-α, tumor necrosis factor α; IgM, immunoglobulin M; IgA, immunoglobulin A; IgY, immunoglobulin Y; CL, control; CBL, low-level Clostridium butyricum; CBH, high-level Clostridium butyricum; SB, sodium butyrate; BAG, butyric acid glycerides; and SEM, standard error.