Both The British Pig Association and the National Pig Association are pushing the Food Standards Agency (who introduced this mess!) to come up with pragmatic guidance, as outdoor may be allowed - the rules state (amongst other things) :
'none of the animals has access to outdoor facilities unless the food business operator can show by a risk analysis to the satisfaction of the competent authority that the time period, facilities and circumstances of outdoor access do not pose a danger for introduction of Trichinella in the holding. '
Of course since the UK doesn't have Trichinella, there is no risk, so a sensible risk analysis would allow it :-), but since when does sense come into regulations.
The FSA have said it is unlikely that they can come up with guidance 'until at least the new year' - after all they only decided to do this 8 months ago.
In the meantime, some abattoirs (and indeed FSA officials) are telling customers to tick controlled housing in all cases and not testing, some abattoirs are testing all outdoor, and some are a mix.
And of course nothing but muddled wording which doesn't help at all on the FSA website.
http://www.food.gov.uk/business-industry/meat/trichinella-pigs/trichinella-pigs-testingIt's a total mess at the moment!!!