الفهرس 
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Abstract
The present study was established to estimate cephradine residues in
broiler chicks using HPTLC and to determine the efficacy of potassium
citrate in reducing these residues. A total number of 40 Hubbard chicks of
21 days old were used in this study after dividing into 2 equal groups
(each of 20 chicks) when reached 30 days old. Cephradine (Atocef
forte®) was given as oral dose of 0.5 gm/liter twice daily for five
consecutive days to group (1 ) and was given twice daily for first 3 days
but at last 2 days, cephradine was given for 12hr, potassium citrate for
another 12hr to group (2). Cephradine concentrations were assayed in
serum, liver, kidney and breast muscle of broiler chicks at 24, 48, 72,
96hr post last dose.
It could be concluded that, cephradine can be detected in kidney, liver at
highest concentration with the lowest concentration in serum and breast
muscle. Oral administration of potassium citrate result in disappearance
of residues from breast muscle and liver 1 and 2 days earlier than when
cephradine was administered alone where in kidney, cephradine residues
were still measurable up to 4th day at very low concentration.