Add Yahoo as a preferred source to see more of our stories on Google. Chicken farming under certain conditions may lead to the spread of bacteria, scientists say. Sina Schuldt/dpa Industrial chicken ...

Councillors give their backing to the proposal for poultry units in Toynton St Peter, near Spilsby.

There are about 27 billion chickens in the world, a seven-fold increase since the 1960s.Photograph: David Tadevosian/Alamy Industrial chicken farming is accelerating the spread of the world’s most ...