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Conditioned feeding responses in sheep to flavoured foods associated with sulphur doses

  • J. Hills (a1), I. Kyriazakis (a1), J.V. Nolan (a1), G.N. Hinch (a1) and E. Thomson (a1)...

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The development by ruminants of strong conditioned flavour aversions (CFAs) to foods associated with the administration of LiCl (an artificial toxin) has demonstrated their potential to avoid feeds that cause negative postingestive consequences (Provenza, 1995). Weaker CFAs are formed when they ingest foods with the detrimental secondary plant compound, oxalic acid (Kyriazakis et al. 1997). Moreover, animals may exhibit conditioned preferences (CFPs) for foods supplying appropriate amounts of nutrients such as nitrogen (Provenza, 1995). In this study we tested whether a continuum exists in the formation of CFAs and CFPs to foods that are associated with increasing availability of sulphur (S) in crossbred ewes.

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Kyriazakis, I., Papachristou, T.G., Duncan, A.J. and Gordon, I.J. (1997). Mild conditioned food aversions developed by sheep towards flavours associated with plant secondary compounds. Journal of Chemical Ecology 23:727746.
Provenza, F.D. (1995). Post ingestive feedback as an elementary determinant of food preference and intake in ruminants. Journal of Range Management 48:217.

Conditioned feeding responses in sheep to flavoured foods associated with sulphur doses

  • J. Hills (a1), I. Kyriazakis (a1), J.V. Nolan (a1), G.N. Hinch (a1) and E. Thomson (a1)...

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