Discriminating among Novel Foods: Effects of Energy Provision on Preferences of Lambs for Poor-Quality Foods

Document Type

Article

Journal/Book Title/Conference

Applied Animal Behaviour Science

Volume

66

Issue

1-2

Publisher

Elsevier

Publication Date

2000

First Page

87

Last Page

106

Abstract

Our objective was to better understand how lambs discriminate among novel foods based on flavor and post-ingestive effects. We first determined how temporal sequence of food ingestion and post-ingestive feedback affected preference when lambs were fed flavored wheat straw (a poorly nutritious novel food) immediately after eating milo grain (an energy-rich novel food), or after milo was infused in the rumen. Lambs did not acquire a preference for flavored straw when they were fed straw immediately after eating milo (P>.10), evidently because they quickly discriminated the flavor-feedback effects of milo from straw. However, lambs infused with milo prior to eating straw in one flavor or another preferred the flavored straw eaten after the milo infusions (Pflavored straw eaten after milo infusions>flavored straw eaten without milo infusions (PPPPP

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Originally published by Elsevier. Publisher's PDF and HTML fulltext available through remote link.

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