We used factorial design (2 x 3), with two rearing systems (floor or cages) and three methods of beak trimming
(hot-blade, infrared and undercutting, the latter serving as the control treatment).
"Infrared lasers have recently been designed with the purpose of providing a less painful, more precise beak-trimming method compared with conventional beak trimming
According to Hester, "Beak trimming
is accomplished by a precision automated cam-activated beak trimmer with a heated blade (1200[degrees]F)....
Regular beak trimming
should not be necessary, so I prefer to do any beak work, especially if it is corrective.
The first study examined the comparative feeding behaviors of laying hens with or without beak trimming
and revealed intriguing results.
While the British Egg Industry Council will lead an industry group to produce a Code of Practice for beak trimming
He lifted a ban on routine beak trimming
which he said could inadvertently have led to worse welfare for hens.
in laying hens is the removal of about 1/3-1/2 of the upper and lower beak of the young chicken, commonly using a hot-blade which simultaneously amputates and cauterizes.
It allows mechanisation in brooding and hatching, and beak trimming
Animal welfare issues related to poultry housing and routine practices such as beak trimming
and induced molting are spurring research such as this, to ensure both humane treatment of the animals and a healthy bottom line for producers.
ABSTRACT : For many years beak trimming
has been a controversial subject, particularly since the 1980's when the practice came under close scrutiny by animal welfare groups.