Cloacal swabbing was carried out weekly on all birds as described above.
The sensitivity of swabbing was estimated to be 60-83 % and this should be taken into account when interpreting carriage studies.
The increase in growth on the last boot in voyage 1 was probably a consequence of more effective swabbing of material retained in the boot tread.
Food handling procedures and practices were reviewed, product and ingredient samples were collected and environmental swabbing was conducted.
Swab sampling of the hands of slaughterhouse personnel was carried out by ' shaking hands ' with the swab or by swabbing the palm of the worker's hand.
I am not sure that rubbing or swabbing provide sufficient opportunity.
The process is non-invasive—it simply involves swabbing in the mouth.
There were instances of youngsters swabbing floors and doing the type of menial tasks which would give no hope whatsoever of their every really contributing to society in later life.
