The IFA (Irish Farmers' Association) says all fresh pork is... fully traceable, but the problem arises with other processed products such as sausages and pudding. These could be tracked back to their batches, but because meat from a number of different herds can be used in their production, the evidential sequence cannot necessarily lead all the way back to individual farms.
"In sausages and pudding, so many pieces of so many pigs are co-mingled, there's no way of tracing that back," Mr Lynch remarks. "You could trace it back to the day of manufacture but you couldn't trace it back to the individual farmer."
Of course all of this invites an obvious question about Saturdays recall decision. Why did the authorities not simply withdraw processed or untraceable products while leaving the higher-value fresh pork on the shelves here and abroad? The answer, it appears, lies with that nebulous if vital notion: consumer confidence.
To have left any products on the shelves with talk of dioxins and contamination circulating could have done fatal damage to the industry.
And to have issued a recall order for a selective list of some but not all products could have sown crippling confusion.
"I think the decision on Saturday was taken mainly in the interest of consumer confidence - to reassure consumers," said Mr Walshe.