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Proportions of 2 day-old rabbit pups responding in an oral activation test, after conditioning to one odorant of the RC mixture (IA+, EA+, D+, B+, F+ or V+), to the odorant they were conditioned to (white bars), to another unfamiliar component from RC (grey bars) and to the RC mixture (black bars) (n = 16, 19, 20, 19, 13 and 16; respectively in IA+, EA+, D+, B+, F+ and V+).
