Crossword Genius

Surgeon for top breed one long-haired dog (4-6)

Ross

I believe the answer is:

bone-setter

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

'surgeon' is the definition.
I don't know anything about this answer so I cannot tell whether this works.

'top breed one long-haired dog' is the wordplay.
'top' says to take the initial letters (in a down clue, the first letter is top).
'long-haired dog' becomes 'setter' (I've seen this before).
The initial letter of 'breed' is 'b'.
'b'+'one'+'setter'='BONE-SETTER'

'for' acts as a link.

Can you help me to learn more?

I've seen this clue in the Sydney Morning Herald.
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