Table 2.

Overview of investigated sample pools for semi-quantification and identification of further volatile compounds

Name of pool	Sample type
10CF1, 10CF2, 10CF3	10 activated charcoal tubes with volatiles trapped from 10 different female birds
10CM1, 10CM2, 10CM3	10 activated charcoal tubes with volatiles trapped from 10 different male birds
10TF1, 10TF2, 10TF3	10 Tenax® TA tubes with volatiles trapped from 10 different female birds
10TM1, 10TM2, 10TM3	10 Tenax® TA tubes with volatiles trapped from 10 different male birds
10BC2, 10BC3, 10BT1, 10BT2	10 activated charcoal tubes or 10 Tenax® TA tubes with volatiles trapped from empty sampling system