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首页> 外文期刊>Progress in Artificial Intelligence >Evaluation of the Containment of Antimicrobial-Resistant Salmonella Species from a Hazard Analysis and Critical Control Point (HACCP) and a Non-HACCP Pig Slaughterhouses in Northeast Thailand
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Evaluation of the Containment of Antimicrobial-Resistant Salmonella Species from a Hazard Analysis and Critical Control Point (HACCP) and a Non-HACCP Pig Slaughterhouses in Northeast Thailand

机译：从危害分析和临界控制点（HACCP）和泰国东北部的非HACCP猪屠宰场评价抗菌药物抗菌性沙门氏菌的含量

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To evaluate the containment of antimicrobial-resistant (AMR) Salmonella contaminations of a HACCP slaughterhouse (HACCP SH) and a non-HACCP slaughterhouse (non-HACCPSH), 360 paired pig rectal (representing the farm pig status) and carcass samples (representing the contamination) were collected equally from the two slaughterhouses that serviced 6 and 12 farms, respectively, in Northeast Thailand (n = 720). The purified Salmonella isolates were serotype identified, antimicrobial susceptibility tested, and pulsed-field gel electrophoresis (PFGE) assessed. Four evaluations of two slaughterhouses were examined: (1) the means of slaughtering contamination rates (SCR) (to evaluate the contamination level by averaged farm SCRs): the HACCP SH decreased contamination (SCR: 48.89% +/- 8.80%, n = 6), whereas the non-HACCP SH increased (SCR: 14.31% +/- 9.35%, n = 12). (2) The serotype diversity: the HACCP SH decreased the diversity from the rectal group (110 isolates, 9 serotypes) to carcass group (23 isolates, 3 serotypes), whereas there was no decrease in the non-HACCP SH (rectal group (66 isolates, 14 serotypes) and carcass group (31 isolates, 10 serotypes)). (3) The AMR patterns: the HACCP SH decreased from rectal group (96 isolates, 7 patterns) to carcass group (22 isolates, 1 pattern), whereas there was no decrease from the non-HACCP SH rectal group (22 isolates, 7 patterns) to carcass group (48 isolates, 8 patterns). (4) The estimated indirect contamination rate (by serotype screening and PFGE confirmation): the HACCP SH was 60.87% (14/23), whereas the non-HACCP SH was 98.48% (65/66). This study indicates that both the slaughterhouses keep a high level of indirect contamination; the HACCP SH decreases Salmonella contaminations and reduces the AMR patterns, the non-HACCP SH increases contaminations.
机译：评估HACCP屠宰场（HACCP SH）和非HACCP屠宰场（非HACCPSH），360配对猪直肠（代表农场猪状况）和胴体样品（代表污染分别从两种屠宰场的两种屠宰场收集，分别在东北部门提供6和12个农场（n = 720）。纯化的沙门氏菌分离株均鉴定，抗微生物易感性测试，并评估脉冲场凝胶电泳（PFGE）。检查了两个屠宰场的四种评价：（1）屠宰污染率（SCR）的方法（通过平均农场SCR评估污染水平）：HACCP SH减少污染（SCR：48.89％+/- 8.80％，n = 6），而非HACCP SH增加（SCR：14.31％+/- 9.35％，n = 12）。 （2）血清型多样性：HACCP SH从直肠基团（110分离物，9次血清型）降低到胴体组（23个分离物，3次血清型），而非HACCP SH（直肠群（ 66分离物，14个血清型）和胎体组（31分离物，10次血清型））。 （3）AMR模式：HACCP SH从直肠基团（96分离物，7种模式）降低到胴体组（22分离物，1个图案），而非HACCP SH直肠基团没有减少（22个分离物，7图案）到胴体组（48个分离物，8个图案）。 （4）估计的间接污染率（通过血清型筛选和PFGE确认）：HACCP SH为60.87％（14/23），而非HACCP SH为98.48％（65/66）。这项研究表明，屠宰场都保持高水平的间接污染; HACCP SH降低了沙门氏菌污染并减少了AMR模式，非HACCP SH增加了污染。

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