Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 22334
Title Liver selenium analysis in cows with a fast method of neutron activation reveals deficiency areas in The Netherlands.
Author(s) Binnerts, W.T.; Das, H.A.; Viets, T.C.
Source Netherlands Journal of Agricultural Science 41 (1993). - ISSN 0028-2928 - p. 47 - 57.
Department(s) Human and Animal Physiology
Publication type Refereed Article in a scientific journal
Publication year 1993
Abstract A total of 230, 100-g freeze-dried liver samples from the caudal lobe of cows from 13 slaughterhouses in the Netherlands were analysed by irradiating with neutrons in a high flux generator for 5 s followed by measurement of the short-lived isotope 77mSe in a rigid time sequence, under fully automated conditions. Liver Se ranged from 0.16 to 1.82 mg/kg DM and did not appear to relate to geography. 3% of the livers contained Se less than 0.25 mg/kg DM, which is considered critical for development of Se deficiency. Another 20% with less than 0.4 mg/kg DM was considered borderline Se deficiency. There was no evidence of Se toxicity. Liver Se positively correlated with liver copper, which may be obtained via feed, but not with liver zinc. It was concluded that animals at risk to Se deficiency are those not fed on concentrates, particularly heifers suffering from retained placentas at delivery. The feeding of Se fortified feeds is recommended.
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