Prevalence and Antimicrobial Resistance of Salmonella Serotypes in Chickens from Retail Markets in Yaounde (Cameroon)

2010 ◽  
Vol 16 (2) ◽  
pp. 171-176 ◽  
Author(s):  
Marguerite Wouafo ◽  
Ariane Nzouankeu ◽  
Junie Atangana Kinfack ◽  
Marie-Christine Fonkoua ◽  
Guy Ejenguele ◽  
...  
Keyword(s):  
Antimicrobial Resistance ◽  
Retail Markets ◽  
Salmonella Serotypes

scholarly journals Prevalence, Antimicrobial Resistance, Virulence Genes and Genetic Diversity of Salmonella Isolated from Retail Duck Meat in Southern China

2020 ◽  
Vol 8 (3) ◽  
pp. 444
Author(s):  
Zhengquan Chen ◽  
Jie Bai ◽  
Shaojun Wang ◽  
Xibin Zhang ◽  
Zeqiang Zhan ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Antimicrobial Resistance ◽  
Virulence Genes ◽  
Southern China ◽  
Public Health Issue ◽  
Serotype Distribution ◽  
Retail Markets ◽  
High Prevalence ◽  
Salmonella Serotypes ◽  
Potential Public Health

Salmonella is an important cause of foodborne diseases. This study was undertaken to investigate the prevalence, serotype distribution, antimicrobial resistance, virulence genes, and genetic diversity of Salmonella isolates recovered from fresh duck meat obtained from retail markets in Southern China. In total, 365 samples of fresh duck meat were collected from retail markets in six different cities of Guangdong Province between May 2017 and April 2019. High levels of Salmonella contamination were detected in duck meat (151/365, 41.4%). Twenty-six different Salmonella serotypes were identified: S. Corvallis (n = 25, 16.6%), S. Kentucky (n = 22, 14.6%) and S. Agona (n = 20, 13.3%) were the most prevalent serotypes. All isolates were resistant to at least one antibiotic and 133 (88.1%) isolates exhibited multidrug resistance (MDR). Most (86.1%) Salmonella isolates carried seven classes of virulence-associated genes. This study showed the diversity of Salmonella serotypes and genotypes and the high prevalence of MDR isolates carrying multiple virulence-associated genes among isolates from duck meat obtained from retail markets in Southern China. Isolates from different districts had similar pulsed-field gel electrophoresis (PFGE) patterns indicating that circulating foodborne Salmonella constitutes a potential public health issue across different districts.

Prevalence and antimicrobial resistance of non-typhoidal Salmonella serotypes isolated from laying hens and broiler chicken farms in N’Djamena, Chad

2013 ◽  
Vol 166 (1-2) ◽  
pp. 293-298 ◽  
Author(s):  
Djim-adjim Tabo ◽  
Colette D. Diguimbaye ◽  
Sophie A. Granier ◽  
Frédérique Moury ◽  
Anne Brisabois ◽  
...  
Keyword(s):  
Antimicrobial Resistance ◽  
Broiler Chicken ◽  
Laying Hens ◽  
Salmonella Serotypes

Prevalence and Antimicrobial Resistance of Salmonella in Market Raw Oysters in Taiwan

2017 ◽  
Vol 80 (5) ◽  
pp. 734-739 ◽  
Author(s):  
Yung-Tsun Lo ◽  
Chia-Lan Wang ◽  
Bai-Hsung Chen ◽  
Chung-Wen Hu ◽  
Chung-Hsi Chou
Keyword(s):  
Antimicrobial Resistance ◽  
Health Hazard ◽  
Multidrug Resistant ◽  
Contamination Rate ◽  
Class 1 Integron ◽  
Retail Markets ◽  
Antimicrobial Resistance Genes ◽  
Class 1 ◽  
Highly Correlated ◽  
Human Health Hazard

ABSTRACT We tested 137 samples of domestic shucked oysters and 114 samples of imported oysters collected from traditional retail markets and supermarkets during 2010 and 2011 in Taiwan for the presence of Salmonella. We obtained a total of 91 Salmonella isolates, representing nine serotypes, from 80 of the domestic samples. We did not find any Salmonella in the imported oysters. The presence of Salmonella contamination tended to be specific to the area from which the oysters were harvested: the Dongshih area had a significantly higher contamination rate (68.8%) than the Budai (20.0%) and Wanggong (9.1%) areas. In addition, the rate of Salmonella contamination was higher in oysters that were packed or sold with water (P < 0.05). The most commonly identified Salmonella serotypes were Saintpaul (26.4%), Newport (22.0%), and Infantis (13.2%). We screened the isolates for susceptibility to nine antimicrobials and compared them genetically by using PCR for the class 1 integron (int1), tetA, tetB, and blaPSE-1 genes. Eighteen isolates (19.8%) were resistant to at least one antimicrobial agent, and the most frequent resistances were those to tetracycline and oxytetracycline (n = 12, 14.3%).We detected the antimicrobial resistance genes int1, tetA, tetB, and blaPSE-1 in 16.5, 26.4, 6.6, and 22.0% of the isolates, respectively. Eleven of the 18 antimicrobial-resistant isolates contained one or two int1 cassettes, suggesting that the presence of int1 is highly correlated with antimicrobial resistance in Salmonella isolates from oysters. The consumption of oysters is increasing in Taiwan, and information related to Salmonella contamination in oysters is rather limited. Our results indicate that raw oyster consumption from retail markets in Taiwan is associated with a human health hazard owing to Salmonella, including multidrug-resistant Salmonella strains.

Surveillance and Antimicrobial Resistance of Salmonella Strains Isolated from Slaughtered Pigs in Spain

2007 ◽  
Vol 70 (6) ◽  
pp. 1502-1506 ◽  
Author(s):  
RAFAEL JESÚS ASTORGA MÁRQUEZ ◽  
AURORA ECHEITA SALABERRIA ◽  
ALFONSO MALDONADO GARCÍA ◽  
SILVIA VALDEZATE JIMENEZ ◽  
ALFONSO CARBONERO MARTINEZ ◽  
...  
Keyword(s):  
Antibiotic Resistance ◽  
Multidrug Resistance ◽  
Antimicrobial Resistance ◽  
Antimicrobial Agents ◽  
Phage Type ◽  
Multidrug Resistant ◽  
Gold Coast ◽  
Resistance Patterns ◽  
Salmonella Serotypes ◽  
Slaughtered Pigs

The prevalence of and the antibiotic resistance shown by Salmonella isolated from pigs in Andalusia (southern Spain) is reported. Salmonella enterica was recovered from 40 (33%) of 121 sampled herds, and a total of 65 isolates were serotyped. The most common Salmonella serotypes were Typhimurium and Rissen (30.7% each); others included Derby (9.2%), Brandenburg (9.2%), Newport (7.7%), Bredeney (4.6%), Anatum (3.0%), Hadar (1.5%), and Goldcoast (1.5%). One strain (1.5%) belonging to the monophasic variant of the Typhimurium serotype (Salmonella 4,5,12:i:−) was also detected. Definitive phage type (DT) 104b was the most common Typhimurium phage type isolated. These Salmonella strains were resistant to various antimicrobial agents, including tetracycline (84.6%), streptomycin (69.2%), neomycin (63.0%), sulfonamides (61.5%), ampicillin (53.8%), and amoxicillin (53.8%). All isolates were fully susceptible to ceftriaxone, ciprofloxacin, and colistin. Thirty-nine strains (64%) resistant to four or more antimicrobial agents were defined as multidrug resistant. Multidrug resistance profiles were observed in Salmonella serotypes Typhimurium, Rissen, Brandenburg, Bredeney, a monophasic variant, Gold-coast, Hadar, and Anatum, with serotypes Typhimurium and Brandenburg showing the most complicated resistance patterns (resistant to ≥11 drugs).

scholarly journals Prevalence and antimicrobial resistance of Salmonella serotypes isolated from retail chicken meat and giblets in Iran

2015 ◽  
Vol 9 (05) ◽  
pp. 463-469 ◽  
Author(s):  
Hamid Reza Sodagari ◽  
Zohreh Mashak ◽  
Amir Ghadimianazar
Keyword(s):  
Antimicrobial Resistance ◽  
Foodborne Pathogens ◽  
Chicken Meat ◽  
Resistance Testing ◽  
Retail Markets ◽  
Predominant Type ◽  
Amoxicillin Clavulanic Acid ◽  
Resistant Strains ◽  
Resistance Rates ◽  
Retail Chicken Meat

Introduction: Salmonella is one of the major foodborne pathogens responsible for outbreaks of foodborne illness in humans worldwide. Methodology: A total of 560 samples of chicken meat and giblets were collected from retail markets for Salmonella identification, serotyping, and antimicrobial resistance testing. Results: Salmonella was detected in 19.8% of samples. Among the five serotypes identified, S. Thompson was the predominant type (48.7%). High antimicrobial resistance rates were observed to nalidixic acid (92.8%), tetracycline (81%), trimethoprim (68.4%), sulfamethoxazole / trimethoprim (61.2%), streptomycin (56.7%), and kanamycin (36.9%). Although resistance to chloramphenicol (3.6%), amoxicillin-clavulanic acid (5.4%), and ampicillin (11.7%) was detected, none of the isolates were resistant to ceftazidime, ceftriaxone, cefotaxime, ciprofloxacin, colistin, gentamicin, nor imipenem. Conclusions: Restrictions on the irrational use of antibiotics in humans and animals are suggested for the reduction of resistant strains.

Frequency and Antimicrobial Resistance of Salmonella Serotypes on Beef Carcasses at Small Abattoirs in Jalisco State, Mexico

2012 ◽  
Vol 75 (5) ◽  
pp. 867-873 ◽  
Author(s):  
JULIA A. PEREZ-MONTAÑO ◽  
DELIA GONZALEZ-AGUILAR ◽  
JEANNETTE BARBA ◽  
CARLOS PACHECO-GALLARDO ◽  
CARLOS A. CAMPOS-BRAVO ◽  
...  
Keyword(s):  
Antimicrobial Resistance ◽  
Salmonella Typhimurium ◽  
Foodborne Pathogens ◽  
Multidrug Resistant ◽  
Control Measures ◽  
Wet Season ◽  
Beef Carcasses ◽  
Salmonella Serotypes ◽  
Group B ◽  
Inspection Service

The prevalence and antimicrobial resistance of Salmonella serotypes on beef carcasses from four small abattoirs in Jalisco State, Mexico, were investigated during a 10-month period. Following U.S. Department of Agriculture Food Safety and Inspection Service protocols, Salmonella was isolated from 78 (15.4%) beef carcasses (n = 505) after the final carcass water wash. Isolation frequency differed by establishment (P < 0.05) and was higher (P < 0.05) during the wet season (May through September) for all establishments. Thirteen Salmonella serotypes and four serogroups (partially serotyped isolates) were identified. The most prevalent were Salmonella enterica Give (24.4%), Salmonella Typhimurium (17.9%), and Salmonella Group B (14.1%). Antimicrobial susceptibility was tested against 11 drugs, and results indicated that 46.2% of the isolates were resistant to tetracycline, 42.3% were resistant to streptomycin, 23.1% were resistant to chloramphenicol, 21.8% were resistant to trimethoprim-sulfamethoxazole, and 19.2% were resistant to gentamicin. No resistance to ceftriaxone or ciprofloxacin was observed, and 33% of the isolates were resistant to three or more antimicrobials. Although Salmonella Give was the most prevalent serotype, 95% of the isolates of this serotype were susceptible to all antimicrobials tested. Antimicrobial resistance was more common in Salmonella Typhimurium, and 93% (13 of 14) of the isolates of this serotype were resistant to at least five antimicrobials. The frequency of multidrug-resistant Salmonella isolates differed among establishments (P < 0.05) and may be related to the origin of the cattle presented for harvesting. These findings highlight the need for control measures to reduce Salmonella prevalence on beef carcasses in small abattoirs in Mexico and for strategies to ensure the cautious use of antimicrobials in animal production to prevent and control the spread of antimicrobial-resistant foodborne pathogens.

scholarly journals First study of Salmonella in meat in Romania

2014 ◽  
Vol 8 (01) ◽  
pp. 050-058 ◽  
Author(s):  
Liora Mihaiu ◽  
Alexandra Lapusan ◽  
Rodica Tanasuica ◽  
Rodica Sobolu ◽  
Romolica Mihaiu ◽  
...  
Keyword(s):  
Antimicrobial Resistance ◽  
Multidrug Resistant ◽  
Resistance Rate ◽  
Health Concern ◽  
Surveillance Program ◽  
Pork Meat ◽  
Salmonella Spp ◽  
Retail Markets ◽  
High Prevalence ◽  
Resistance Patterns

Introduction: The increasing antimicrobial resistance of Salmonella isolates is of major public health concern, but information regarding these aspects is still lacking in Romania. This study focused on a detailed and accurate investigation concerning prevalence, serotypes, and antimicrobial resistance patterns of Salmonella strains, isolated from pork and chicken meat, collected from all regions of Romania in 2011. Methodology: The research was conducted on 650 samples of chicken and pork meat collected from production units and retail markets located in various regions of Romania. A total of 149 Salmonella isolates were recovered (22.92%), serotyped, confirmed by PCR, and further tested for antimicrobial susceptibility. Results: Thirteen Salmonella serovars were identified; predominant serovars included Infantis, Typhimurium, Derby and Colindale. Multiple resistance was found in 83.22% (n = 124) of the isolates. The isolates were frequently resistant to tetracycline (80.53%), streptomycin (81.21%), sulfamethoxazole (87.25%), nalidixic acid (65.10%), and ciprofloxacin (42.95%). Additionally, a markedly lower resistance rate was observed for ampicillin (20.81%), chloramphenicol (16.78%), and ceftazidime (11.41%). Among 137 resistant Salmonella isolates, 35 different resistance patterns were found. Conclusion: A high prevalence of Salmonella spp. and a relatively high resistance rate to multiple antimicrobials was found. This data indicates that chicken and pork meat could constitute a source of human exposure to multidrug-resistant Salmonella and therefore could be considered a potential vehicle of resistant Salmonella foodborne diseases. Further actions are needed to succesfully implement a national surveillance program for better monitoring of these resistant pathogens.

Prevalence and antimicrobial resistance of Salmonella serotypes isolated from poultry in Spain: Comparison between 1993 and 2006

2012 ◽  
Vol 153 (3) ◽  
pp. 281-287 ◽  
Author(s):  
Elena Álvarez-Fernández ◽  
Carlos Alonso-Calleja ◽  
Camino García-Fernández ◽  
Rosa Capita
Keyword(s):  
Antimicrobial Resistance ◽  
Salmonella Serotypes
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