Microbiological indexes of chickens broilers muscles apllying Baitril 10%
DOI:
https://doi.org/10.31548/dopovidi2019.04.006Keywords:
, broilers chicken, enrofloxacin, meat, microbiological indicators, MAFAnMAbstract
The most commonly found in poultry products are bacteria in the group of intestinal sticks, Salmonella, Staphylococcus aureus, and the like. Also important is the general contamination by microorganisms (MAFAnM), which is the main factor in the deterioration of raw and finished food products.
The microbiological control includes the presence / absence of 4 groups of microorganisms: mesophilic aerobic and facultative anaerobic microorganisms (MAFAnM), conditionally pathogenic microorganisms, in particular bacteria of the group of intestinal sticks and pathogenic microorganisms, in particular Salmonella, coagulase-positive Staphylococcus (Staphylococcus aureus); microorganisms spoilage - basically, it is yeast and mildew mushrooms.
The purpose of the research. The analyze the microbial contamination of chicken broiler meat after application of the veterinary drug "Baitril 10%".
Materials and methods of research. The material used for the study was muscle of the thigh, pectoral muscles, leg muscles, muscle of the wing of experimental and control groups of broiler chicks of the аmerican cross "Cobb 500".
The chickens broilers were used for research, 20 days old; were divided into 2 groups - experimental and control - with 15 goals in each. For broiler chickens of the experimental group orally gave out the drug "Baitril 10%" at a dose of 0.1 ml / kg body weight for 5 days.
The broiler chickens of the control and experimental groups were scored at 6, 12 and 14 days after the last administration of the drug.
Determination of the number of MAFAnM, bacteria of the E. coli group, bacteria of the genus Proteus, Salmonella, Listeria monocytogenes, Staphylococcus aureus in the broiler chickens of the control and experimental groups receiving the "Baitril 10%" preparation was carried out in accordance with the current normative legal acts.
Results of the research and their discussion. In previous studies on the risk of enrofloxacin accumulation in broiler chickens, it was found that the largest residual amount of enrofloxacin was found in the muscles of the wings, chest muscles, muscles of the back, thighs, legs, the muscles of the back of the carcass and skin.
Taking into account the obtained results, for the microbiological evaluation, muscles of the chest, thighs, legs and wings were used.
The number of MAFAnM in the meat of chickens in the experimental group is smaller compared to the control group. It should be noted that the number of MAFAnM increases in all groups of muscles, depending on the time of slaughter. According to the Order of the Ministry of Health of Ukraine No. 548 of 19.07.2012 "Microbiological criteria for establishing food safety indexes" and "Mandatory minimum list ...", the maximum permissible level (MDR) for MAFAnM is not more than 105 105 CFU / g. According to the data in the muscles of the control and experimental groups, there was no excess of MAFAnM number.
The results of the conducted studies indicate that bacteria of the E. coli group and bacteria of the genus Proteus, Salmonella, Listeria monocytogenes, Staphylococcus aureus were not detected in poultry meat that meets the requirements of the current regulatory acts.
Conclusions and perspectives.
1. The number of MAFAnM in the muscle of the bird in the experimental group was lower than in the control group.
2. Application of the veterinary drug Baitril 10% chicken broilers does not affect the species composition of the microflora of poultry meat, since the microbiological parameters in the experimental group were in accordance with the requirements of the current normative legal acts.
3. The prospects for further research are the further study of the residual amounts of enrofloxacin in the muscle of the poultry; will be histological examination in the muscles of broiler chickens receiving the drug Bairil 10%References
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Obov'iazkovyi minimalnyi perelik doslidzhen syrovyny, produktsii tvarynnoho ta roslynnoho pokhodzhennia, kombikormovoi syrovyny, kombikormiv, vitaminnykh preparativ ta in., yaki slid provodyty v derzhavnykh laboratoriiakh veterynarnoi medytsyny i za rezultatamy yakykh vydaietsia veterynarne svidotstvo (f-2), zatverdzheni nakazom Derzhavnoho departamentu veterynarnoi medytsyny Ukrainy vid 03.11.98 № 16 ta zareiestrovanyi v Ministerstvi yustytsii Ukrainy 30.11.98 za № 761/3201 (u redaktsii nakazu Derzhavnoho departamentu veterynarnoi medytsyny vid 18.11.2003 № 87 (0549-04), zareiestrovanyi u ministerstvi yustytsii Ukrainy 28.04.2004 r. za № 549/9148) [Mandatory minimum list of researches of raw materials, products of animal and vegetable origin, feed materials, mixed fodders, vitamin preparations, etc. to be carried out in state laboratories of veterinary medicine and the results of which are issued veterinary certificate (f-2), approved by order of the State Department Veterinary Medicine of Ukraine dated November 11, 1998 No. 16 and registered with the Ministry of Justice of Ukraine on November 30, 1998 under the number 761/3201 (in the wording of the Order of the State Department of Veterinary Medicine dated November 18, 2003 No. 87 (0549-04), da registered in the Ministry of Justice of Ukraine on April 28, 2004 No. 549/9148).
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