Three consecutive grow-outs of broilers fed nicarbazin were conducted to as
sess the presence of nicarbazin residues in muscle tissue and liver and in
the litter. The anticoccidal was added to starter and grower feeds given to
mixed sex broilers to 35 days. Finisher feeds without nicarbazin were give
n in the last week. Very few samples of tissue from breasts and leg quarter
s retained nicarbazin residue, but residues always remain in the ;litter na
d reflected the level presence in the feed. Residue of nicarbazin persisted
in the litter to the end of the third grow-out even in pens where birds re
ceived diets with nicarbazin only in the first grow-out. Residues occurred
in livers more frequently than in muscle tissue, but still in a concentrati
on considered safe for human consumption by the industry is considered safe
since residues found in tissue are far below the limits established by law
.