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Proportions of 3-day-old rabbit pups responding in an oral activation test to odorant A (ethyl isobutyrate), odorant B (ethyl maltol) and the AB mixture (30/70 ratio of A/B), after conditioning to AB on day 1 by pairing with MP, and reactivation on day 2 by exposure to AB followed by immediate injection of AN or NaCl (saline).
