Dogs used by Speke (5)

I believe the answer is:

pekes

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

'dogs' is the definition.
(Peke is an example)

'by speke' is the wordplay.
'speke' can be anagrammed to 'PEKES'.
Though, I am not sure how this is indicated.

'used' is the link.

Can you help me to learn more?

I've seen this clue in the Evening Standard.

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