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Sewage sludge as a potential source of lead in liver, kidney and muscle tissues of growing lambs

Published online by Cambridge University Press:  05 November 2021

J.M. Wilkinson ,
J. Hill ,
C.T. Livesey ,
B.A. Stark ,
M.K. Curran ,
I.J. Lean  and
J.E. Hall
J.M. Wilkinson
Affiliation:
Chalcombe Agricultural Resources, Painshall, Church Lane, Welton, Lincoln LN2 3LT De Montfort University, School of Agriculture and Horticulture, Riseholme Hall, Lincoln LN2 2LG
J. Hill
Affiliation:
Chalcombe Agricultural Resources, Painshall, Church Lane, Welton, Lincoln LN2 3LT
C.T. Livesey
Affiliation:
Central Veterinary Laboratory, New Haw, Addlestone, Surrey KT15 3NB
B.A. Stark
Affiliation:
Chalcombe Agricultural Resources, Painshall, Church Lane, Welton, Lincoln LN2 3LT
M.K. Curran
Affiliation:
Wye College, University of London, Ashford, Kent TN25 5AH
I.J. Lean
Affiliation:
Wye College, University of London, Ashford, Kent TN25 5AH
J.E. Hall
Affiliation:
WRc plc, Henley Road, Medmenham, Marlow, Buckinghamshire SL7 2HD
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Extract

Addition of sewage sludge to grassland may be reflected in ingestion of lead by animals with implications for the human food chain. The research reported here was part of a series of experiments conducted to investigate the possible risk to the health of livestock and humans associated with the use of sewage sludge in agriculture. The transfer of several elements to the body tissues of lambs was examined, including that of cadmium, copper, zinc and lead. The results for lead are reported in this paper.

Weaned Kent lambs (6/treatment, 20 to 45 kg liveweight) were given dried grass ad libitum (Trial 1, indoor feeding) either as the sole feed (C) or with 100 g/kg DM of one of two soils (CM, sandy -pH 6.18; or RM, a calcareous loam - pH 7.55) which had been amended historically with sewage sludge and which contained 102 (CM) and 130 (RM) mg Pb/kg DM.

Type
Sheep Nutrition
Information
Proceedings of the British Society of Animal Science , Volume 1996 , March 1996 , pp. 165
Copyright
Copyright © The British Society of Animal Science 1996

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