Drug Residues Among Slaughtered Animals At Sharkia Governorate

Using of antibiotic increased in the animal farms without control,this using not only for protection or treatment but also to increase thegrowth rate to get much money by illegal ways. Recent studies proved thatthese residues have many hazards if consumed by man. Now the publichealth authorities in different countries have established differentregulations for veterinary use of the drugs in food of animals origin.Therefore, the aim of this study is the detection of the antibioticresidues in different tissues and organs of the slaughtered food animals(cattle, sheep and camel) as well as the effect of boiling, roasting andfreezing on oxytetracycline, chloramphenicol and sulphaquinoxalinesodium residues. Also histopathological changes in muscles, liver andkidney of rabbit.PART I:Six hundred samples (50 from each of kidney, liver, muscle and fat)were collected from three animal species (cattle, sheep, and camel) whichobtained from different butcher shops in Sharkia govemorate for detectionof antibiotic residues.Positive samples of drug residues in cattle and sheep were but incamel samples residues failed to be detected and this is due to the camelmore resistance to disease and also not take any medication.It was found that the highest residue percentages were detected in thekidney of all examined carcasses, while the lowest one was found inmuscles.The percentage of residues is high in kidney sheep 18% foroxytetracycline, 12% for sulphaquinoxaline and 12% for chloramphenicol