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Library Comparative diet selection by cattle and sheep grazing two contrasting heathland communities

Comparative diet selection by cattle and sheep grazing two contrasting heathland communities

Comparative diet selection by cattle and sheep grazing two contrasting heathland communities

Resource information

Date of publication
December 2009
Resource Language
ISBN / Resource ID
AGRIS:US201301566648
Pages
182-192

In the UK the funding mechanism for moorland restoration is being implemented primarily through agri-environment schemes, yet to date remarkably few comparative grazing studies with domesticated livestock have been conducted on this type of vegetation community. In this experiment the diet composition of four groups of animals grazing heathland swards with low (8%) and high (61%) percentages of cover of Calluna vulgaris was estimated from faeces profiles of n-alkanes and long-chain fatty alcohols. Two breeds of sheep (Welsh Mountain (WM) and Scottish Blackface (SBF)), and two breeds of cattle (Welsh Black (WB) and Continental cross (CX)) grazed the experimental sites during two separate 14-day sampling sessions, in July and September respectively. Both species were selective feeders, consuming grasses (selectivity indices 0.20-1.0) in preference to dwarf shrubs (selectivity indices 0.20-1.0), but there were significant differences in the proportions of various plant groups within the diets. Although the sheep diets contained significantly more C. vulgaris, the quantities consumed were small (

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Authors and Publishers

Author(s), editor(s), contributor(s)

Fraser, M.D.
Theobald, V.J.
Griffiths, J.B.
Morris, S.M.
Moorby, J.M.

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