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Mineral concentrations in milk from cows fed seaweed (Saccharina latissima) under different basal protein supplementation

Qin, N., Pétursdóttir, Á. H., Humphries, D. J., Desnica, N., Newton, E. E., Vanhatalo, A., Halmemies-Beauchet-Filleau, A., Bell, L. ORCID: https://orcid.org/0000-0003-2895-2030, Givens, D. I. ORCID: https://orcid.org/0000-0002-6754-6935, Juniper, D. T., Gunnlaugsdóttir, H. and Stergiadis, S. ORCID: https://orcid.org/0000-0002-7293-182X (2023) Mineral concentrations in milk from cows fed seaweed (Saccharina latissima) under different basal protein supplementation. Food Chemistry, 403. 134315. ISSN 0308-8146

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To link to this item DOI: 10.1016/j.foodchem.2022.134315

Abstract/Summary

Sixteen multiparous Holstein cows in four blocks of 4 × 4 Latin square over 4-week experimental periods were used to study the effects of seaweed (Saccharina latissima) supplement (with/without) and protein source (rapeseed meal (RSM)/wheat distiller’s grain (WDG)) on milk mineral concentrations. Dietary treatments did not affect milk production and basic composition. Feeding seaweed slightly decreased milk Ca and Cu concentrations; whilst increased (by 3.3-fold) milk iodine (I) concentration, due to a higher dietary I supply. Substitution of WDG with RSM increased feed-to-milk transfer of Ca, Na, and Se and decreased that of Mg, P, Fe, and Mn; but only reduced milk Mn and I concentrations (the latter by 27% as a potential result of increased glucosinolate intake). Seaweed supplement can improve milk I content when cows’ I supply/availability is limited, but care should be taken to avoid excess milk I contents that may pose nutritional risks for young children.

Item Type:Article
Refereed:Yes
Divisions:Life Sciences > School of Agriculture, Policy and Development > Department of Animal Sciences
Interdisciplinary Research Centres (IDRCs) > Institute for Food, Nutrition and Health (IFNH)
Life Sciences > School of Agriculture, Policy and Development > Department of Crop Science
ID Code:107361
Publisher:Elsevier

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