To determine changes in body and yolk
proximate composition, chicks and poults
from the peak of hatch were sampled at hatch
and upon leaving the hatchery; groups of
chicks were sampled 23 hr after hatching and
poults 21 hr after hatching (Table 3). All
chicks lost weight in the hatching trays, with
held chicks decreasing by 4.9 g. Chicks with
access to feed decreased in BW by 2.4 g. No