Acquisition of flavour preferences in pigs through interactions with conspecifics that had previously consumed flavoured protein solutions

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3 Citations (Scopus)

Abstract

It is known that pigs can acquire flavour preferences by brief social interactions with conspecifics that previously consumed a flavoured solid feed. However, there is no information about whether a flavoured solution could support flavour preferences through social transmission. Ninety-six pigs (49 days old) were housed in 12 pens (8 pigs/pen). Four animals per pen were randomly selected to act as observers and four as demonstrators. Demonstrator animals were temporarily moved to an empty pen where a protein solution was offered (porcine digestive peptides (PDPs), 4% weight/volume) with the addition of 0.075% aniseed (six pens) or garlic (six pens) powdered artificial flavours for 30 min. Afterwards, demonstrators were returned to interact with observer animals for 30 min. A choice test (30 min) between aniseed and garlic PDP was performed for each observer group after the interaction. Observers showed a higher intake of solutions previously consumed by their demonstrator conspecifics (648 v. 468 ml; SEM 61.36, P < 0.05). As with flavoured solid feeds, protein solutions containing artificial flavours can create preferences in pigs for those flavours through social transmission from conspecifics.

Original languageEnglish
Pages (from-to)1740-1744
Number of pages5
JournalAnimal
Volume14
Issue number8
DOIs
Publication statusPublished - 1 Jan 2020

Keywords

  • demonstrator
  • flavour transmission
  • nursery pigs
  • observer
  • social learning

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