Food businesses have 'more work to do' on animal welfare - report

McDonald's has topped a global ranking of farm animal welfare standards among fast food chains but still has "a lot more work to do" to reduce the suffering of factory chickens, according to a report.

The fast food giant beat KFC, Burger King, Subway and Starbucks in the sixth Business Benchmark on Farm Animal Welfare (BBFAW) ranking of 110 global food companies.