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. 2018 Jan 29;96(2):715–727. doi: 10.1093/jas/skx068

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© The Author(s) 2018. Published by Oxford University Press on behalf of the American Society of Animal Science. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.

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Figure 1. — Whole blood selenium (Se) (A) and serum prolactin (B) concentrations in growing beef steers grazing endophyte-infected tall fescue and supplemented with 3 mg Se/d in VM mixes as sodium selenite (ISe), SEL-PLEX (OSe), or an 1:1 blend of ISe and OSe (MIX). Data are least squares means (n = 6 for ISe, n = 8 for OSe and MIX) ± SE. (A) Selenium form (P = 0.01), time (P < 0.01), and Se form by time interaction (P < 0.01) effects. Nonorthogonal polynomial contrasts: ISe, linear (P < 0.01), quadratic (P < 0.01), cubic (P < 0.01), and quartic (P = 0.03) effects; OSe, linear (P < 0.01), quadratic (P < 0.01), and cubic (P = 0.03) effects; MIX steers, linear (P < 0.01), quadratic (P < 0.01), and quartic (P = 0.04) effects. (B) Selenium form (P < 0.05) and time (P < 0.01) effects. Nonorthogonal polynomial contrasts: ISe, linear (P < 0.01) effect; OSe, linear (P < 0.01) effects; MIX, linear (P < 0.01) and cubic (P < 0.01) effects.