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17 April 2013, 12:12 | Updated: 17 April 2013, 16:47
Heart's being told a strain of bird flu has been discovered at a Bernard Matthews turkey farm in Suffolk.
The company has released a statement after some birds showed signs of ill health at the weekend.
In a statement the company said they felt it was "appropriate to report this to DEFRA. They have detected the presence of an avian influenza virus, but not the virulent H5 or H7 form.
Some restrictions are in place as a precaution, but are expected to be lifted in the next few days.
A spokeswoman for Defra said: "We are awaiting further laboratory test results from an ongoing investigation into suspect avian disease at a premises in the South East.
"Initial results are negative for H5 and H7. The premises remains under restriction pending further results. Public Health England are aware and are ready to take the necessary action pending further test results.''