PMID: 1197391Jul 1, 1975Paper

Ability of the pig to distinguish between conspecific urine samples using olfaction

Physiology & Behavior
G B MeeseB A Baldwin

Abstract

In two female pigs it has been shown using operant conditioning techniques in which the animals pushed panels with their snouts in order to obtain food, that they could distinguish between the oder from urine samples taken from other pigs. In the discrimination task, the pigs faced two panels and a tube adjacent to one of the panels emitted urine odor used as the positive discriminative stimulus while another tube adjacent to the other panel emitted the negative discriminative stimulus consisting of odor from another urine sample. Only presses on the panel associated with the positive stimulus were reinforced on a fixed ratio schedule of 6. Both positive and negative discrimination stimuli were presented simultaneously. After each reinforcement the position of the positive and negative odor stimuli was varied according to the Gellerman series. When fully trained, the pigs made very few responses on the incorrect panel.

References

Jan 1, 1967·Journal of Comparative Pathology·D L Ingram
Dec 1, 1967·Science·J M Bowers, B K Alexander

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Citations

May 1, 1977·Physiology & Behavior·B A Baldwin, G B Meese
Oct 1, 1977·Physiology & Behavior·P Wallace
Nov 18, 2000·Applied Animal Behaviour Science·J B JonesR B Jones
Feb 17, 2001·Applied Animal Behaviour Science·J B. JonesR B. Jones
Aug 10, 2010·Chemical Senses·Lene Vammen SøndergaardJan Ladewig
Jan 5, 2011·Animal Cognition·Elise Titia GielingFranz Josef van der Staay
Mar 15, 1986·Experientia·R L Doty
Mar 5, 2016·Chemical Senses·Peter C BrunjesStephen K Osterberg
Apr 21, 2007·Neuroscience and Biobehavioral Reviews·Nanna Marie LindAxel K Hansen
Jul 20, 2014·Hormones and Behavior·Rebeca Corona, Frédéric Lévy
May 1, 1984·The Quarterly Journal of Experimental Psychology. B, Comparative and Physiological Psychology·R I Horrell, M Eaton
Nov 16, 2020·The Veterinary Clinics of North America. Exotic Animal Practice·Valarie V Tynes
Jun 18, 2010·Neuroscience and Biobehavioral Reviews·Birgitte R Kornum, Gitte M Knudsen

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