Beer workers at the Carling plant in Burton-on-Trent, are to hold a strike ballot later this month.
The union Unite claims more than 400 staff at Molson Coors could be sacked after June 10, and reinstated on less pay.
The union says nearly 200 workers could lose as much as £9,000 a year in wages.
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Sunny spells today, but turning wet tomorrow.
Rather cloudy at first, sunny spells soon developing.
The High Court in London has ruled in favour of Birmingham bin workers fighting to save their jobs.