الفهرس 
AcknowledgementOnly 14 pages are availabe for public view
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Abstract
This study was carried out on 210, one day old chicks for 6 weeks to
study the effect of dietary supplementation of 0.5,1% citric acid, o.1,0.2%
benzoic acid and 0.05%,0.1% enzyme preparation on broilers. Our work
revealed growth promoting effect by increase body weight and weight
gain, improved FCR in the group fed 0.05% panzyme allover the
experimental period. Biochemical investigation showed significant
increase in the total proteins, globulin, glucose and calcium, and decrease
in AST activity, creatinine and cholesterol in the 0.05% panzyme group.
While ALT activity, albumin, uric acid and phosphorus showed non
significant changes. Immunological investigation in the 0.05% panzyme
revealed significant leukocytosis and lymphocytosis, increased globulins,
IL6 and TNF-α, with decreased IL10, TBC and coliform count. For the
organic acid groups, there were decreased body weight, total proteins,
globulin, phosphorus, IL6, TNF-α and lactobacilli count, while showed
increased IL10, TBC and coliform count.