New dairying data assembled and immediately available (5,3,7)

I believe the answer is:

ready and waiting

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'immediately available' is the definition.
I can't tell whether this definition defines the answer.

'new dairying data assembled' is the wordplay.
'assembled' is an anagram indicator.
'new'+'dairying'+'data'='newdairyingdata'
'newdairyingdata' anagrammed gives 'READY AND WAITING'.

'and' 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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