الفهرس 
INTRODUCTION
factors affecting growth response antibiotics supplementationOnly 14 pages are availabe for public view
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Abstract
At the present ttjno, great consideration is given pou1tr5- Ththwtzy especia11yeat production. The 1ient investigation aims to study the effect of oxyracyclino inclusion to chicks ration 4ixing the 3ier—aaa-on the:..-, growth, feed efficiency, carcass ility, mineral retention, chemical composition nd sequent keeping quality during refrigarated storage.
Equal tumbers of the ‘eround. end fade Island Red joks ( four hundreds of each) ‘were taken, divided two groups ( of 200 each). The first group was fed
basal diet, however the second was fed the basal Let supplemented with otetracycline (50 mg/ICg.ration). is expearient extended to 24 weeks of age. Body weight,
measurements, and feed consumption were recorded
ug eorimentaJ. perioà.
At 12 wecics of age, 6 birds from each group (3 mal— and 3 females) wore killed, then dipped in a sødium droxide solution, gently heated and mixed to obtain a spônific5ated ostø. Different minerals (C-a F, e,Cu,Mn)