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Generic relationship between calcium intake and radiostrontium transfer to the milk of dairy ruminants

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Abstract

The hypothesis is tested that there is a generic relationship between the calcium intake and the transfer of radiostrontium to milk which can be used for all dairy ruminants. In addition to the daily calcium intake, the relationship also requires values for the strontium to calcium observed ratio, which describes the discrimination in transfer of the two elements to milk (a value of 0.11 is used), and the calcium concentration in milk. The relationship had previously only been validated for dairy cattle as there were insufficient data for other ruminant species. Here, we present recently available data for dairy goats, and also a limited amount of data for sheep derived from the literature. From the comparison between these data and predicted values, we conclude that it is possible to derive a generic model of the transfer of radiostrontium to the milk of dairy ruminants.

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Authors and Affiliations

  1. Institute of Terrestrial Ecology, Merlewood Research Station, Grange-over-Sands, Cumbria LA11 6JU, UK, , , , , , GB

    N. A. Beresford & B. J. Howard

  2. Macaulay Land Use Research Institute, Craigiebuckler, Aberdeen AB15 8QH, UK, , , , , , MO

    R. W. Mayes

  3. Department of Resource Science, North-Trøndelag College, Postbox 145, N-7701 Steinkjer, Norway, , , , , , NO

    H. S. Hansen

  4. Department of Physiological and Environmental Science, University of Nottingham, Sutton Bonington, Leicestershire LE12 5RD, UK, , , , , , GB

    N. M. J. Crout

  5. Department of Animal Science, Agricultural University of Norway, Postbox 5025, N-1432 Ås-NLH, Norway, , , , , , NO

    K. Hove

Authors
  1. N. A. Beresford
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  2. R. W. Mayes
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  3. H. S. Hansen
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  4. N. M. J. Crout
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  5. K. Hove
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  6. B. J. Howard
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Additional information

Received: 12 December 1997 / Accepted in revised form: 23 March 1998

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Beresford, N., Mayes, R., Hansen, H. et al. Generic relationship between calcium intake and radiostrontium transfer to the milk of dairy ruminants. Radiat Environ Biophys 37, 129–131 (1998). https://doi.org/10.1007/s004110050105

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  • DOI: https://doi.org/10.1007/s004110050105

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