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The National Agricultural Library is one of four national libraries of the United States, with locations in Beltsville, Maryland and Washington, D.C. It houses one of the world's largest and most accessible agricultural information collections and serves as the nexus for a national network of state land-grant and U.S. Department of Agriculture field libraries. In fiscal year 2011 (Oct 2010 through Sept 2011) NAL delivered more than 100 million direct customer service transactions.

Journal Article

Journal article

dietary trace metal intake of some Canadian full-term and low birthweight infants during the first twelve months of infancy  [1980]

Gibson, R.S.; DeWolfe, M.S.;

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Abstract: Trace metals are important for normal growth and development of infants. Intakes may be especially necessary for pre-term and low birthweight infants who may exhibit lower nutrient stores at birth and are therefore vulnerable to trace element deficiency. Average daily intakes of zinc, copper, manganese and selenium of 37 pre-term, 24 full-term low birthweight, and 38 full-term control infants were calculated; 24-hour recall and 3 day dietary records were collected from mothers for infants at 1 and 3, and 6 and 12 months of age, respectively. Zinc intakes in all infants up to 6 months old were low by Canadian Dietary Standards (CDS). All infants met CDS levels for copper at all ages, but were deficient after 1 month of age in relation to WHO recommendations. Manganese intakes were adequate, but selenium intakes were low in all 3 groups. However, since mixed feeding is usually practiced by 12 months, trace metal intakes met dietary recommendations after the first year of infancy.

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Journal of the Canadian Dietetic Association

ISSN : 0008-3399