several resent studies have assessed whether mechanicl catching is an improvement on manual ctching with regard to animal welfare measure A reduction in the number of injuries sustained during the catching process when mechnical catching method are employed has been observed. problem observed with mechnical system include the high levels of wing haemorrage due to wing flapping asbirds were dropped into transport crate and uneven stocking densities in transport crates.
NAWAC believes mechanical catching and crate handling systems provide better overall chicken welfare and has included that recommemdation as best pratice