Table 5 Up-Up: continuously rising immune indicators in broiler chickens from d 1 to 34

Serum NO, μmol/L

(−12, 49.86)

0.555

Y = 0.012119X² + 0.291X + 51.609

Serum C3, g/L

(94, 0.36)

0.382

Y = −0.000016X² + 0.003X + 0.216

Serum C4, g/L

(42, 0.08)

0.462

Y = −0.000012X²0.001X + 0.063

Serum IL-2, pg/mL

(−10, 63.07)

0.917

Y = 0.018744X² + 0.361X + 64.811

Serum IFN-γ/IL-4

(−1, 0.69)

0.435

Y = 0.000071X² + 0.000135X + 0.687

Peripheral blood CD3+CD8+ Tc cell ratio

(−60, −2.11)

0.252

Y = 0.000858X² + 0.103X + 0.976

Serum IgG, g/L

(−42, 5.00)

0.304

Y = 0.000403X² + 0.034X + 5.718

Spleen index

(758, 9.18)

0.801

Y = –0.000015X² + 0.023X + 0.568

Spleen NF-κB

(−53, 0.53)

0.545

Y = 0.000144X² + 0.015X + 0.931

Ileum MHC-II

(267, 70.85)

0.519

Y = −0.001X² + 0.534X-0.439

Ileum CD3d

(59, 14.11)

0.536

Y = −0.004X² + 0.468X + 0.416

Ileum TCRβ subunit

(72, 29.32)

0.641

Y = −0.006X² + 0.861X−1.573

Ileum TCRζ subunit

(68, 19.92)

0.534

Y = −0.004548X² + 0.621X−1.277

Ileum IFN-γ

(−43, −11.25)

0.64

Y = 0.005365X² + 0.464X−1.212

Ileum pIgR

(−85, −27.86)

0.773

Y = 0.003925X² + 0.664X + 0.224

Ileal mucosa sIgA, ng/mg

(56, 0.26)

0.374

Y = −0.000027X² + 0.003X + 0.175