Importance of Alternative Foods on the Persistence of Flavor Aversions: Implications for Applied Flavor Avoidance Learning

Document Type

Article

Journal/Book Title/Conference

Applied Animal Behaviour Science

Volume

76

Issue

3

Publisher

Elsevier

Publication Date

2002

First Page

249

Last Page

258

Abstract

We added a novel flavor, citric acid (CA), to a familiar test diet and conditioned an aversion in lambs to the flavored diet using lithium chloride. In 1 h feeding trials, we examined the roles of a novel flavor cue, choice and nutritional quality of alternatives on the persistence of an aversion. Availability of alternative foods increased the persistence of the aversion to the CA-flavored test diet. Furthermore, persistence was related to the energy content of the alternative. The higher energy alternative better complimented the high protein content of the basal ration (alfalfa pellets) and increased persistence versus the lower energy alternative. Continued avoidance of the CA-flavored test diet was observed even after a 68-day intermission among lambs with access to alternatives. We submit that application of flavor avoidance learning (FAL) may be useful for minimizing herbivory when a novel flavor is employed and alternative forage is present.

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

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