Arrests made at both meat plants raided on Tuesday
A 63-year-old man was also arrested at Peter Boddy Slaughterhouse in West Yorkshire, the other plant where operations were suspended on Tuesday in an investigation by the Food Standards Agency.
Dyfed-Powys Police has confirmed three people are being held on suspicion of offences under the Fraud Act.
They are being detained at Aberystwyth Police Station, where they will be interviewed jointly by the police and the FSA.
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A dry weekend with plenty of sunshine
After a cloudy night this should begin to burn back throughout the day tomorrow to leave some nice, bright sunshine.