Where did you find this out?
Edit - Just realised I've completely misread Oakham as Adnams.
With WLP025 the clue is in the name.
WY1336 it's not definite, but a few other websites indicate it is also an Adnams' strain.
WLP025 vs 1335 and Wyeast 1335 British Ale II Poor Attenuation.
Fergus FitzGerald, Production Director at Adnams, has confirmed it is a dual strain yeast here -
Maybe their house strain is a mixture of the two commercially available?
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