Food processing makes up the biggest chunk of British manufacturing and relies heavily on immigrants, all though much of debate so far around Britain's departure from the EU has focused on sectors like car production and aerospace.
Forty-seven percent of companies in Britain's food supply chain — which includes farms, food processors, supermarkets and restaurants — said their EU workers were considering their future as a direct result of the June 2016 Brexit vote, according to the survey compiled by several trade bodies.
Nearly a third of respondents to the survey, conducted between March and May, said some EU staff had already departed.
While Britain's economy has slowed sharply this year, evidence that the Brexit vote made an impact on the labor market is less clear.
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