Impact on hen bone integrity in cage-free environments

Several years have passed since the 2012 EU ban on conventional cages. With the latest announcements from many major US food companies and retailers that they will only source cage-free eggs, the interest in alternative housing systems is high. No ideal housing system for poultry As found by Dr Donald C. Lay from Purdue University in 2011, it appears that no single housing system is ideal from a hen welfare perspective; as the environmental complexity increases behavioural opportunities, it als