A mother-of-three claims she saw an egg-sized lump of mould tumble out of a Cow & Gate milk bottle as she went to feed her daughter.
Charlene Gatenby, 29, said she was furious to a ball fall from in-date formula she'd bought for her 11-month-old.
She said feeding Blake in Shipley, Bradford, was interrupted as she filmed herself pouring out the mix after feeling a heavy substance at the bottle's base.
Charlene Gatenby says she filmed herself (left) pouring out the bottle's contents to reveal brown and yellow ball of mould (right)
The West Yorkshire parent told The Sun a 'disgusting brown, yellow and soft' ball resembling a slug came out.
'The lump was huge, about the size of an egg, it just popped out,' she said. 'I am absolutely fuming. Sometimes products aren’t 100 per cent but this is next level.'
Mrs Gatenby says the incident left her even more stressed as her