| Short communication: Fat-soluble vitamin and mineral status of milk replacer-fed dairy calves: effect of growth rate during the preruminant period. | |
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MedLine Citation:
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PMID: 20494177 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Effects of growth rate on fat-soluble vitamin and macro- and micromineral concentrations in the circulation of preruminant dairy calves were evaluated. Dietary treatments were designed to achieve 3 targeted rates of gain [no growth (NG)=0.0 kg/d; low growth (LG)=0.55 kg/d; or high growth (HG)=1.2 kg/d] over a 7-wk period. Milk replacer (MR) intakes necessary to achieve these growth rates were estimated using the National Research Council's Nutrient Requirements of Dairy Cattle calf model computer program. All of the calves were fed a 30% crude protein, 20% fat MR reconstituted to 14% dry matter. The diets were formulated to ensure that protein was not a limiting nutrient. No-growth and LG calves were supplemented additionally with vitamins A, D, and E to compensate for treatment differences in dry matter intake relative to the HG calves; however, no attempt was made to adjust mineral intake based on MR consumption. Growth rates for NG (0.11 kg/d), LG (0.58 kg/d), and HG (1.16 kg/d) calves differed during the study. Health was minimally affected by growth rate and this was reflected by comparable and relatively low serum haptoglobin concentrations in all calves during the 7-wk period. Concentrations of serum retinol, 25-(OH)-vitamin D(3), and zinc were unaffected by growth rate. The HG calves had lower RRR-alpha-tocopherol concentrations than NG and LG calves at wk 7, suggesting that the increased growth rate of HG calves was associated with increased utilization of vitamin E. Serum concentrations of all vitamins increased with age. Copper, calcium, and phosphorous concentrations in HG calves exceeded those in LG and NG calves during the latter weeks of the study, likely because of increased MR intake by HG calves. Fat-soluble vitamin and mineral concentrations for all treatment groups remained within ranges considered normal for preruminant calves. |
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Authors:
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B J Nonnecke; M R Foote; B L Miller; D C Beitz; R L Horst |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of dairy science Volume: 93 ISSN: 1525-3198 ISO Abbreviation: J. Dairy Sci. Publication Date: 2010 Jun |
Date Detail:
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Created Date: 2010-05-24 Completed Date: 2010-09-03 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 2985126R Medline TA: J Dairy Sci Country: United States |
Other Details:
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Languages: eng Pagination: 2684-90 Citation Subset: IM |
Copyright Information:
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2010 American Dairy Science Association. Published by Elsevier Inc. All rights reserved. |
Affiliation:
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USDA-ARS-National Animal Disease Center, Bldg 24, 1920 Dayton Ave., PO Box 70, Ames, IA 50010, USA. brian.nonnecke@ars.usda.gov |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Animal Feed Animals Animals, Newborn / blood, growth & development Calcium / blood Cattle / blood, growth & development* Copper / blood Diet / veterinary* Female Haptoglobins / analysis Magnesium / blood Male Minerals / blood* Phosphorus / blood Vitamin A / blood Vitamin D / blood Vitamins / blood* Zinc / blood alpha-Tocopherol / blood |
| Chemical | |
Reg. No./Substance:
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0/Haptoglobins; 0/Minerals; 0/Vitamins; 11103-57-4/Vitamin A; 1406-16-2/Vitamin D; 59-02-9/alpha-Tocopherol; 7439-95-4/Magnesium; 7440-50-8/Copper; 7440-66-6/Zinc; 7440-70-2/Calcium; 7723-14-0/Phosphorus |
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