Antibiotics are the most widely injudiciously used drugs for therapeutic purposes throughout the world. This study aimed to detect cephalexin residue after discriminate and indiscriminate administration of cephalexin antibiotic in broiler. Eighteen broiler chicks, DOC (Cobb-500) were collected & reared for up to 31 days. The chicks were randomly divided into three groups namely control group (Group-A), discriminate cephalexin group (Group-B) and indiscriminate cephalexin group (Group-C). Each group consists of 6 birds. In this investigation, only a detectable level of antibiotic residues was found in indiscriminate group of poultry. A total of 72 samples were investigated by the TLC method. The overall residue of cephalexin found in indiscriminate group as in liver (100%), kidney (83.33%), thigh muscle (25.00%), breast muscle (8.33%), fat and spleen (66.67%) respectively. The final average body weight were recorded highest in indiscriminate antibiotic group (1804.17 ± 73.92gm) followed by discriminate group (1741.33 ± 63.63gm) and control group (1453.33 ± 26.39gm). The body weight was found significantly (p<0.05) higher in the antibiotic treated groups. The hematological parameters such as Hb, PCV and TEC values of treatment groups showed significantly (p<0.05) lower, while PCV did not show any significant difference compared to the control group. Overall, the present study documented the widespread abuse of cephalexin and failure to implement the recommended withdrawal period will undeniably lead to deposition of residues in broiler tissues.
Abuse of antibiotics is more common in developing countries. This study was undertaken to investigate the presence of ciprofloxacin residue in broiler tissues and effects of antibiotics misuse on hematological parameters in broilers. Day old chicks (DOC) were collected and reared up to 31 days. The treatment was started from 16th day until sacrifice. On day 14th, the chicks were randomly divided into three groups namely control group (group A), discriminate antibiotic group (group B), and indiscriminate antibiotic group (group C). The control group was left untreated whereas, the discriminate group was treated with antibiotic, ciprofloxacin, followed by withdrawal period of one week. On the other hand antibiotic treatment was continued in the indiscriminate antibiotic group until the day of sacrifice, without maintaining withdrawal period. The mean body weight gain in treatment period (14 days) was the highest in discriminate group (1312± 26.1gm) followed by indiscriminate group (1089± 222.8gm) and control group (823.3±90.2gm). The Thin Layer Chromatography revealed that all the samples were positive in indiscriminate group with an exception of fat tissue (66.7%). The 50% liver and 33.3% kidney was ciprofloxacin positive in discriminate group and all others were negative. There was no positive sample in control group. . The hematological parameters such as Hb, PCV and TEC values of treatment groups showed significantly (p<0.05) lower, while PCV did not show any significant difference compared to the control group. Hence this experiment identifies the potential effects of ciprofloxacin misuse in broilers and their subsequent impacts on hemolytic system.
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