Abstract : A total of 140, five days-old, unsexes (Ross 308) broiler chicks were used. Chicks were
randomly divided into five groups of 28 chicks per each, with four replicates for each
group. Five experimental diets were formulated (A,B,C,D and E). diets A as negative
control (NC), diet B control diet supplemented with antibiotic (Neomycin 16 mg/Kg ) as
positive control (PC), diets C,D and E were NC supplemented with Black Cumin oil
(BCO) at 50,100 and 150 mg/Kg respectively. Result obtained showed that addition of
BCO improved significantly (P≤0.05) the performance ( BWG,FI and FCR) of broiler
chicks compared to group fed on NC while no significant(P≤0.05) differences between
chicks fed on diets supplemented with BCO and PC group. The mortality rate did not
influenced by the dietary treatments. Result revealed no significant differences (P≤0.05)
among all treatment groups in the percentage of carcass dressing, giblet, commercial cuts
and their percentage of their separable tissue, meat chemical composition and subjective
meat quality parameters. Supplementation of BCO in the broiler diets at various levels
resulted in significant (p>0.05) reduced of serum cholesterol, urea and ALP enzyme
activity compared to both NC and PC groups while the level of total protein, calcium
,phosphorus and AST remained unchanged. Economically the addition of BCO improved
the performance of broiler chicks and resulted in economical benefits, This study showed
that BCO when added as growth promoter in broiler diets have a similar effect as that
with antibiotic without any adverse effects.
Mukhtar, M. A
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Table (1):The effect different dietary black cumin oil (BCO) and Antibiotic on the performance of broiler chicks
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