We are not aware of any studies that have been conducted
on perch availability in pullet cages and their
subsequent effect on laying hen performance and welfare.
Therefore, the objective of the current study was
to determine if perch availability during all or part of
the life cycle of caged White Leghorns affected hen performance
and welfare. Our hypothesis was that early
exposure to perches in cages during the pullet phase
with continued exposure during egg laying would enhance
hen performance and welfare of caged White
Leghorn hens. Hen performance was evaluated by measuring
egg production, egg weight, shell quality traits,
and feed efficiency. Well-being traits included hen BW,
mortality, foot health, and feather condition. Foot
health was evaluated for hyperkeratosis (hypertrophy
of the corneus layer of the skin) and measuring claw
length as well as the incidence of broken claws.