Beastly offspring, rubbish (6)

I believe the answer is:

litter

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This could be a double definition.

'beastly offspring' is the first definition.
'litter' can be an answer for 'offspring' (thesaurus). I am not certain of the 'beastly' bit.

'rubbish' is the second definition.
(litter is a kind of rubbish)

Can you help me to learn more?

(Other definitions for litter that I've seen before include "issue in the farmyard" , "waste material" , "Odds and ends of rubbish left lying about" , "Carelessly dropped rubbish" , "that you may see in pigsty?" .)

I've seen this clue in The Times.

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