Effect of Supplemental Trace Mineral Source on Haircoat and Activity Levels in Senior Dogs.

IF 2.7 2区农林科学 Q1 AGRICULTURE, DAIRY & ANIMAL SCIENCE

Animals Pub Date : 2025-02-26 DOI:10.3390/ani15050686

Laura A Amundson, Allison A Millican, Erik Swensson, Mike L McGilliard, Dana Tomlinson

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引用次数: 0

Abstract

Trace minerals (TMs) are pivotal for animal wellbeing and appearance. This study evaluated the effects of TM (Zn, Mn, Cu, and Fe) sources on senior dogs' haircoat and activity. Dogs (mean age 9.16 yr) were fed a control diet (inorganic TM) for 14 d before being assigned to one of three treatments for 3 mo. Treatments included inorganic (Control; n = 10), amino acid-complexed (TMC; n = 17; ZINPRO^® ZnMet + Zinpro^® Availa^® Mins) or lysine and glutamic acid-complexed (TMC-LG; n = 16; Zinpro^® ProPath^®) supplemental TM. Treatments were formulated to provide standard (Control-100 ppm Zn, 5 ppm Mn, 12 ppm Cu, 45 ppm Fe) or product-recommended (TMC and TMC-LG-100 ppm Zn, 25 ppm Mn, 7 ppm Cu, 45 ppm Fe) TM levels (DM basis). Hair length, regrowth, and shedding were measured along with activity. Dogs fed TMC (26.43 mm; 11.64 mm/mo) and TMC-LG (27.87 mm; 12.6 mm/mo) had significantly (p ≤ 0.05) longer hair that grew faster compared to the Control (18.93 mm; 9.14 mm/mo). At 3 mo TMC-LG-fed dogs had 0.38 g less shed hair, and TMC-fed dogs had 0.87 h more active time/d compared to the Control (p ≤ 0.05). Dogs fed TMC and TMC-LG had superior haircoat characteristics and activity compared to the Control.

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来源期刊

Animals Agricultural and Biological Sciences-Animal Science and Zoology

CiteScore

4.90

自引率

16.70%

发文量

3015

审稿时长

20.52 days

期刊介绍： Animals (ISSN 2076-2615) is an international and interdisciplinary scholarly open access journal. It publishes original research articles, reviews, communications, and short notes that are relevant to any field of study that involves animals, including zoology, ethnozoology, animal science, animal ethics and animal welfare. However, preference will be given to those articles that provide an understanding of animals within a larger context (i.e., the animals'' interactions with the outside world, including humans). There is no restriction on the length of the papers. Our aim is to encourage scientists to publish their experimental and theoretical research in as much detail as possible. Full experimental details and/or method of study, must be provided for research articles. Articles submitted that involve subjecting animals to unnecessary pain or suffering will not be accepted, and all articles must be submitted with the necessary ethical approval (please refer to the Ethical Guidelines for more information).