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. 2023 Jan 6;102(3):102477. doi: 10.1016/j.psj.2023.102477

Table 6.

Effect of dietary Zn source on the protein expression levels of Zn, amino acid and small peptide transporters in the jejunum of broilers at 28 and 39 d of age.1

Genes (RQ)2 D 28
 D 39
Control ZnS Zn-Prot M SEM P-value Control ZnS Zn-Prot M SEM P-value
ZnT1 0.56 0.57 0.55 0.01 0.889 0.24 0.22 0.19 0.01 0.229
ZnT4 0.29 0.28 0.28 0.01 0.907 0.42 0.37 0.34 0.02 0.279
ZnT5 0.58 0.64 0.69 0.03 0.357 0.36 0.35 0.32 0.01 0.409
ZnT7 0.26c 0.35b 0.43a 0.02 0.0003 0.24 0.26 0.23 0.01 0.364
ZnT9 0.32 0.38 0.33 0.01 0.074 0.47 0.44 0.49 0.01 0.320
ZnT10 0.36b 0.31b 0.48a 0.03 0.022 0.37 0.28 0.34 0.02 0.189
ZIP3 0.64 0.52 0.65 0.04 0.379 0.53b 0.51b 0.68a 0.03 0.024
ZIP5 0.42 0.41 0.46 0.01 0.297 0.29b 0.23b 0.44a 0.03 0.012
B0AT1 0.31 0.47 0.43 0.06 0.581 0.58 0.34 0.38 0.05 0.080
LAT1 0.30 0.32 0.29 0.01 0.607 0.21 0.24 0.20 0.01 0.080
y+LAT2 0.75b 0.71b 0.89a 0.03 0.027 0.27 0.29 0.33 0.02 0.442
rBAT 0.26b 0.30a 0.30a 0.01 0.040 0.54 0.64 0.58 0.03 0.371
PepT1 0.50 0.43 0.41 0.02 0.083 0.42 0.43 0.40 0.01 0.602

ZnT1, zinc transporter 1; ZnT4, zinc transporter 4; ZnT5, zinc transporter 5; ZnT7, zinc transporter 7; ZnT9, zinc transporter 9; ZIP3, zrt-irt-like protein 3; ZIP5, zrt-irt-like protein 5; B0AT1, B-0-system neutral amino acid co-transporter; LAT1, L-type amino acid transporter 1; y+LAT2, y+L-type amino acid transporter 2; rBAT, b0,+-type amino acid transporter; PepT1, peptide-transporter 1; ZnS, Zn sulfate; Zn-Prot M, Zn proteinate with moderate chelation strength (Qf = 51.6).

a

,b,cMeans with different superscripts within the same column differ significantly (P < 0.05).

1

Values are the means of 7/8 replicate cages of 3 birds per replicate cage (n = 7/8).

2

The protein expressions were calculated as the relative quantities (RQ) of the target gene protein to the β-tubulin protein.