If this is the paper they are using for supporting their excuse, they haven't read it properly. It talks about hours before/later, not days.
*Falling down the PubMed rabbithole, she'd have to have eaten a hell of a lot of pork.
This is always the problem with the tainted food defence. To record enough of a level of a banned substance to get caught you’d have to eat a huge amount of tainted meat. Like beyond Bodean levels of meat consumption.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2657496/
If this is the paper they are using for supporting their excuse, they haven't read it properly. It talks about hours before/later, not days.
*Falling down the PubMed rabbithole, she'd have to have eaten a hell of a lot of pork.