Aim:An investigation was carried out to assess the occurrence of diseases, its method of diagnosis, and commonly used drugs in poultry farms in North-Eastern regions of Algeria.Materials and Methods:A total of 265 veterinary doctors were surveyed to obtain information on the dominant diseases, its frequency of occurrence, method of diagnosis, and commonly used drugs in poultry farms.Results:A study revealed that about 68% of bacterial diseases are due to colibacillosis, mycoplasmosis, and salmonellosis, 22% of viral diseases are due to Newcastle, Gumboro, and infectious bronchitis, and 10% others including coccidiosis and ascites syndrome. The study also showed that about 57% of cases were diagnosed by clinical signs, 36% by necropsy findings, and the remaining 7% through therapeutic and laboratory analysis. Antibiotics, a predominance of the anarchic veterinary drugs, were massively used to control the diseases. Hence, there is a need for strict regulations on the use of veterinary drugs to guarantee food safety.Conclusion:These results remain non-exhaustive but contribute strongly to determine the status of health of the birds in the region.
Present study consisted of performing a meta-analysis on data about the detection of antibiotic residues in chicken meat achieved from all over the researches with a wide collection and very strict selection criteria of data. The databases were searched quantitative inputs from the available scientific publications using important keywords, in order to evaluate all studies about antibiotic residue and detection methods and the reliability of the results obtained by the international researchers. Then an advanced statistical analysis on collected data was done, the first phase was a descriptive study of positive and negative cases followed by a modeling of two cases with a prediction of the values obtained and ended with an analysis of the main compounds (population size, residue detection methods and positive case rates). All performed steps are reported in detail. The results indicated that the accuracy of the detection technique is a factor that influenced on reports of residues, and caused differences in reports, there are still antibiotic residues in meat of intensively broiler chicken farms (45. 26% of the samples analysed are positive), It is concluded that residue detection requires a high-precision qualitative analysis protocol.
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