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Zinc Methionine Supplementation Impacts Gene and Protein Expression in Calf-Fed Holstein Steers with Minimal Impact on Feedlot Performance.


ABSTRACT: Providing cattle a more bioavailable zinc (Zn) source prior to administering a beta adrenergic agonist (?AA) may enhance the metabolic pool of primary nutrients that will influence the magnitude of the ?AA response. Calf-fed Holstein steers were supplemented with a Zn methionine supplement (ZnMet; ZINPRO(®); Zinpro Corporation, Eden Prairie, MN) for 115?±?5 days prior to harvest along with zilpaterol hydrochloride (ZH; Zilmax(®); Merck Animal Health, Summit, NJ) for the last 20 days with a 3-day withdrawal to evaluate the effects on growth and carcass performance together with gene and protein expression of skeletal muscle, adipose tissue, and fatty acid composition of polar and neutral lipid depots. Steers (n?=?1296; initial weight?=?468.5?±?0.5 kg) were sorted by weight, blocked by harvest date, and randomly assigned to pens (n?=?12) and treatments: control (90 ppm Zn from ZnSO4) and ZnMet (Control plus 720 mg Zn from ZnMet/hd/d). There were no differences (P?>?0.05) in growth performance or carcass characteristics. The ZnMet-fed cattle had reduced (P?

SUBMITTER: Hergenreder JE 

PROVIDER: S-EPMC4856723 | biostudies-literature | 2016 Jun

REPOSITORIES: biostudies-literature

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Zinc Methionine Supplementation Impacts Gene and Protein Expression in Calf-Fed Holstein Steers with Minimal Impact on Feedlot Performance.

Hergenreder J E JE   Legako J F JF   Dinh T T N TTN   Spivey K S KS   Baggerman J O JO   Broadway P R PR   Beckett J L JL   Branine M E ME   Johnson B J BJ  

Biological trace element research 20151007 2


Providing cattle a more bioavailable zinc (Zn) source prior to administering a beta adrenergic agonist (βAA) may enhance the metabolic pool of primary nutrients that will influence the magnitude of the βAA response. Calf-fed Holstein steers were supplemented with a Zn methionine supplement (ZnMet; ZINPRO(®); Zinpro Corporation, Eden Prairie, MN) for 115 ± 5 days prior to harvest along with zilpaterol hydrochloride (ZH; Zilmax(®); Merck Animal Health, Summit, NJ) for the last 20 days with a 3-day  ...[more]

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