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. 2024 Dec 2;102:skae365. doi: 10.1093/jas/skae365

Figure 4.

Figure 4.

Relative gene expression of Zn transporters in the muscle of non-steroidal implanted (NoIMP) and steroidal implanted (TE200) steers supplemented 0, 100, or 150 mg Zn/kg DM (Zn0, Zn100, Zn150, respectively). Samples were collected on day 11 from the longissimus thoracis and relative gene expression was determined relative to NoIMP-Zn0 treatment. Contrast statements were formed to test the effect of increasing Zn from Zn0 to Zn150 within NoIMP (Zn-NoIMP) and TE200 (Zn-TE200), in addition to the main effect of steroidal implant (IMP; Zn0 and Zn150) and the linear effect of increasing Zn as Zn0, Zn100, and Zn150 within TE200 (Zn-L). A) Solute carrier family 30 member 7 (SLC30A7) gene expression tended to be greater for Zn150 than Zn0 within TE200 steers (P = 0.07) and tended to linearly increase with increasing Zn supplementation (Zn0, Zn100, and Zn150) within TE200 (P = 0.06). Gene expression of SLC30A7 was lesser for TE200 than NoIMP (P = 0.05). B) Solute carrier family 39 member 7 (SLC39A7) and C) solute carrier family 39 member 14 (SLC39A14) were not affected by the tested contrast statements (P ≥ 0.11).