[9] Other studies indicated more modest improvements of 9.5%[4] Paul S. Berry of the British Silsoe Research Institute is credited with the development of the machine, starting in the 1980s.
[9] The Italian company CMC Industries (former Ciemmecalabria), is maybe the most famous manufacturer of this type of machinery with the Apollo chicken harvester range (few thousand machines sold around the globe since 1972).
Its models do not use the rubber fingers to catch the chickens, as other manufactures do, but a system of conveyor belts which results in a gentle and smooth way to collect the birds.
[7] The company Bright Coop had made for few years the E-Z Catch Chicken Harvester, capable of handling 5000 birds per hour.
In addition, labor costs in the poultry industry went down in the first decade of the 21st century, making manual processing relatively cheaper.