Crossword Genius

How healthy porker will go the full extent? (5,3)

Ross

I believe the answer is:

whole hog

I'm a little stuck... Click here to teach me more about this clue!

'go the full extent?' is the definition.

'how healthy porker will' is the wordplay.
I cannot really see how this works, but
an anagram of 'how' is 'who' which is located in the answer.
'porker' could be 'hog' (I've seen this before) and 'hog' is located in the answer.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for whole hog that I've seen before include "(Go it) all the way" , "Go the . . . . . . . .; give it everything, being a complete pig" , "Go the ---: be fully committed" .)

I've seen this clue in The Telegraph.
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