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Tipo do documento Info:eu-repo/semantics/article (34) Info:eu-repo/semantics/other (2) Ano 2021 (1) 2020 (1) 2019 (3) 2017 (4) 2016 (1) 2013 (2) 2011 (3) 2010 (1) 2009 (2) 2008 (6) 2007 (3) 2006 (2) 2005 (1) 2004 (1) 2003 (2) 2002 (3) Mais... País Brazil (35) Mexico (1) Idioma Inglês (27) Português (8) Espanhol (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 36 Primeira ... 1 2 ... Última Salmonella fecal excretion control in broiler chickens by organic acids and essential oils blend feed added Rev. Bras. Ciênc. Avic. Borsoi,A; Santos,LR; Diniz,GS; C. Salle,CTP; Moraes,HLS; Nascimento,VP. Salmonellosis is an important disease with economic impact as it may affect animal performance and may result in foodborne disease in humans through the eggs and carcass contamination. Regarding the Salmonella control, it is possible to decrease its fecal excretion and the contamination of chicken carcasses by adding organic acids to the feed or drinking water at appropriate times. The aim of this study was to test a blend of organic acids and essential oils in broilers challenged with Salmonella Enteritidis (SE), and to verify the fecal excretion of Salmonella. Sixty broilers were placed in four groups. One group was the negative control. Another group was orally inoculated at 1 day-old with 10(5) CFU/mL of SE as a positive SE control. Two groups (T3 and... Tipo: Info:eu-repo/semantics/article Palavras-chave: Broiler chicks; Organic acids; Salmonella Enteritidis. Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2011000100010 Detection and transfer of antimicrobial resistance gene integron in Salmonella Enteritidis derived from avian material Rev. Bras. Ciênc. Avic. Okamoto,AS; Andreatti Filho,RL; Rocha,TS; Menconi,A; Marietto-Gonçalves,GA. The expansion of global poultry production has increased the need to reduce or control the agents responsible for economic losses, including Salmonella spp. These bacteria are also of public health concern due to their potential to cause food poisoning, and, more recently, due to the antimicrobial resistance presented by these bacteria. Molecular biology is an important tool currently used in the diagnosis and research studies of main poultry diseases. The present studied analyzed 100 samples of Salmonella Enteritidis (SE) isolated from avian material aiming at detecting the class 1 integron gene, Integroninvolved in antimicrobial resistance, by means of polymerase chain reaction (PCR), and comparing it with plate inhibition test. Subsequently, SE samples... Tipo: Info:eu-repo/semantics/article Palavras-chave: Integron; Gene transfer; Resistance to antimicrobials; Salmonella Enteritidis. Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2009000300009 Organic acids and/or compound with defined microorganisms to control Salmonella enterica serovar Enteritidis experimental infection in chickens Rev. Bras. Ciênc. Avic. Sterzo,EV; Paiva,JB; Mesquita,AL; Freitas Neto,OC; Berchieri Jr,A. The association of human foodborne salmonellosis with poultry products enhanced the efforts to control Salmonella Enteritidis in poultry farms. Dietary organic acid supplementation is one of the measures currently used to reduce the presence of undesirable microorganisms. Another method to control enteric Salmonella in poultry is competitive exclusion using defined or undefined microorganisms products. Organic acids and microbiological methods to accelerate the development of the intestinal microbiota can be used individually or in combination. The present study evaluated the effect of dietary supplementation of an acidifier and of a defined multi-strain microbial mixture (Biomin® PoultryStar) via drinking water in the control of the intestinal... Tipo: Info:eu-repo/semantics/article Palavras-chave: Competitive exclusion; Organic acids; Probiotic; Salmonella Enteritidis. Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2007000100010 Genomic variants of bacteriophages against Salmonella enterica serovar Enteritidis with potential application in the poultry industry Rev. Bras. Ciênc. Avic. Robeson,J; Retamales,J; Borie,C. Salmonella enterica serovar Enteritidis (SE) is a prevalent gastrointestinal pathogen worldwide, threatening both animal and human health. In the latter, disease is associated to the consumption of SE-contaminated products from the poultry industry. The control of SE infection is largely based on the use of antibiotics and vaccines, but the use of lytic bacteriophages is re-emerging as an additional strategy for SE control. In fact, a number of recent reports point to the adequacy of bacteriophage as an efficient prophylactic or therapeutic countermeasure to SE infections. However, less attention has been focused on the basic biology of these bacteriophages. Here we report on three bacteriophages (f18, IF1 and EST2) that share a common viral particle... Tipo: Info:eu-repo/semantics/article Palavras-chave: Bacteriophages; Biocontrol; Salmonella Enteritidis. Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2008000300007 Validation of Alternative Methods of Detection of Salmonella Spp. in Experimentally Contaminated Poultry Environmental Samples Rev. Bras. Ciênc. Avic. Coelho,LR; Melo,RT; Monteiro,GP; Reischak,D; Mendonça,AO; Tavares,AAS; Rossi,DA. ABSTRACT The analysis of Salmonella in the feces and the birds’ environment is a way of monitoring the colonization in the flocks and verifying the need for the introduction of stricter controls, in such a way that the results of the tests should be known before being sent for slaughter. The polymerase chain reaction (PCR), as well as other rapid methods represent alternatives increasingly used to detect enteric pathogens, but they need proof of effectiveness for their wide use. The aim of this study was to evaluate the equivalence between the results obtained by the methods: real-time PCR (BAX® System), Modified Rappaport-Vassiliadis Semi-solid Medium (MSRV) (ISO 6579) and the traditional method of official reference in Brazil for research of S.... Tipo: Info:eu-repo/semantics/article Palavras-chave: BAX® System; MSRV; Salmonella Enteritidis; S. Typhimurium; Molecular biology. Ano: 2021 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2021000200303 Time required to protect the intestinal tract of chicks against Salmonella enterica serovar enteritidis using competitive exclusion Rev. Bras. Ciênc. Avic. Sterzo,EV; Paiva,JB; Penha Filho,RAC; Berchieri Junior,A. Competitive exclusion (CE) has been designed to accelerate the colonization of the alimentary tract of young commercial birds and it has been also used to repopulate the digestive tract after antibiotic therapy. The method has been successfully adopted as a means to prevent enteric salmonellosis. The present study was carried out to evaluate if CE is able to prevent this kind of infection. Newly hatched chicks were given a CE culture and at different intervals of time birds infected with Salmonella Enteritidis were placed together with the group of treated birds. CE culture was prepared from feces of adult laying hens incubated overnight at 37C under aerobic conditions. Birds were killed 4 and 8 days after challenge and viable counts of Salmonella... Tipo: Info:eu-repo/semantics/article Palavras-chave: Competitive exclusion; Effectiveness; Salmonella Enteritidis. Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2005000200009 Dissemination of Salmonella enteritidis by experimentally-infected pigeons Rev. Bras. Ciênc. Avic. Albuquerque,ÁH; Cardoso,WM; Teixeira,RSC; Lopes,ES; Sales,RJPF; Horn,RV; Rocha-e-Silva,RC; Bezerra,WGA; Gomes-Filho,VJR. Two groups of domestic pigeons (Columba livia) were experimentally infected orally with doses of 9.5 x10(7) and 9.5 x10(9) CFU/mL (group A and B, respectively) of a Salmonella Enteritidis (SE) strain isolated from chickens. None of the used doses caused mortality of the inoculated birds; however, the pathogen was successfully recovered from the liver and spleen of group B birds on day 7 post-inoculation (dpi). Pathogen shedding, as evaluated through cloacal swabs, occurred in both groups until the 14th day of observation (p <0.05). Among all fecal samples collected from group B (n=4), three different birds shed the pathogen in their feces, out of which two were positive on 3 dpi and one on 7 dpi. The same number of fecal samples was evaluated in group A... Tipo: Info:eu-repo/semantics/article Palavras-chave: Inoculation; Pigeons; Salmonella Enteritidis. Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2013000300007 Salmonella Enteritidis in Layer Farms of Different Sizes Located in Northern China: On-Farm Sampling and Detection by the PCR Method Rev. Bras. Ciênc. Avic. Li,X; Liu,L; Li,Q; Xu,G; Zheng,J. ABSTRACT Salmonella enterica subspecies enterica serotype Enteritidis (SE) has caused foodborne infections over decades. It is transmitted mainly from contaminated eggs to humans. SE is commonly present in layer houses, and closely interacts with environmental factors. The objective of the present study was to develop a viable PCR method to identify SE in environmental samples collected in layer farms of different sizes, and to evaluate SE contamination status in four main egg-production provinces of northern China. After specificity retrieval using Primer-BLAST against the NCBI database, three SE specific oligonucleotide primers were selected as candidate primers. The primers targeting Prot6e gene were adopted and primers targeting Sdf I were also... Tipo: Info:eu-repo/semantics/article Palavras-chave: Environment; Layer farm; PCR; Salmonella Enteritidis. Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2017000300377 Development of an enzyme-linked immunosorbent assay for quantification of Salmonella enteritidis-specific antibodies in egg yolk Rev. Bras. Ciênc. Avic. Tayeb,IT; Nehme,P; Jaber,L; Barbour,EK. The present study aims at developing an indirect ELISA to quantify yolk antibodies specific to all surface proteins of the invasive Salmonella Enteritidis (SE), which acquired the 1.8, 14.1, and ~ 50 Kb plasmids. An ELISA checkerboard was used in four different experiments to account for the different parameters included in the preliminary ELISA procedure, and consequently to maximize the difference in Optical Density (OD) values between control positive and negative yolk samples. The first experiment aimed at studying the impact of 5% Bovine Serum Albumin (BSA) dissolved in distilled water as a blocking reagent on a 28 µg/well SE antigen-coated plate, while applying the positive and negative control yolk samples to different concentrations of... Tipo: Info:eu-repo/semantics/article Palavras-chave: Antibodies; Egg yolk; ELISA; Salmonella Enteritidis. Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2006000400009 Effect of evaporated ethyl pyruvate on reducing salmonella enteritidis in raw chicken meat Rev. Bras. Ciênc. Avic. Cetin,B; Uran,H; Konak,M. ABSTRACT In this study, the effect of evaporated ethyl pyruvate (EP) was evaluated for the decontamination of Salmonella Enteritidis on chicken leg meat as a safe alternative to antimicrobial agent. Also, total aerobic mesophilic bacteria (TAMB), Enterobacteriaceae, Escherichia coli and yeast-mold counts samples were investigated. Subsequently, the samples were injected with 0, 42, 105 and 420 mg evaporated EP/L air to the paper filter attached to the container cover and stored at +4 °C for 10 days. According to the results, 42 mg EP/L concentration did not cause a significant decrease in Salmonella Enteritidis count (p>0.05). However, it was determined that 105 and 420 mg EP/L treatments reduced the number of Salmonella Enteritidis by more than 1 and 2... Tipo: Info:eu-repo/semantics/article Palavras-chave: Chicken Meat; Decontamination; Ethyl Pyruvate; Salmonella Enteritidis. Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2019000200301 Use of Organic Acids and A Competitive Exclusion Product as Growth Promoter and Salmonella Enteritidis Control in Commercial Turkeys Rev. Bras. Ciênc. Avic. Milbradt,EL; Okamoto,AS; Padovani,CR; Fascina,VB; Silva,TM; Altarúgio,R; Hataka,A; Schmidt,EMS; Andreatti Filho,RL. ABSTRACT It is estimated that Salmonella causes one million illnesses in the United States annually, with 19,000 hospitalizations and 380 deaths. There are various serotypes of this bacterium, and the serotypes Typhimurium and Enteritidis are commonly isolated from outbreaks and, in most cases, present resistance to the antibiotics utilized in clinical medicine. One of the current theories to explain the emergence of bacterial resistance is the continuous use of antibiotics as growth promoters in animal feeds. Despite the lack of evidences that antibiotic growth promoters cause bacterial resistance, the poultry industry has explored strategies to reduce or to eliminate the use of antibiotic growth promoters in the production chain, including the... Tipo: Info:eu-repo/semantics/article Palavras-chave: Commercial turkey; Competitive exclusion; Organic acid; Salmonella Enteritidis. Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2017000400551 Effects of Glutamine on Digestive Function and Redox Regulation in the Intestines of Broiler Chickens Challenged with Salmonella Enteritidis Rev. Bras. Ciênc. Avic. Wu,Q; Liu,Z; Li,S; Jiao,C; Wang,Y; Wang,Y. ABSTRACT The aim was to investigate the effect of glutamine (Gln) on broilers challenged with Salmonella Enteritidis. 240 1-day-old birds were divided into four groups in a completely randomized design, each of which included 6 replicates with 10 birds per replicate. Group I served as the unchallenged, untreated control (CON). All birds in groups II (SCC) - IV were challenged with 2.0 × 104 CFU/mL of S. Enteritidis. Birds in group III and IV were treated with 0.5% (Gln 1) and 1.0% (Gln 2), respectively, of Gln. The results indicated that S. Enteritidis infection led to a decrease in the average body weight at d 7, 14, and 21 (p<0.05). Chickens fed the Gln showed improved average body weights in comparison with the SCC group (p<0.05). At d 4, 7, 14,... Tipo: Info:eu-repo/semantics/article Palavras-chave: Glutamine; Average body weight; Antioxidant function; Salmonella Enteritidis; Broiler. Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2019000400307 Salmonella Enteritidis em Aves: Retrospectiva no Brasil Rev. Bras. Ciênc. Avic. Silva,EN; Duarte,A. Salmonella Enteritidis (SE) emergiu como um grande problema avícola e de saúde pública no Brasil a partir de 1993. Os estudos epidemiológicos, incluindo a fagotipagem e sonda complementar de rRNA, sugerem a entrada de SE no Brasil via importação de material genético avícola contaminado, provavelmente no final da década de 80. As taxas de crescimento da avicultura brasileira na década de 90 criaram condições favoráveis para a manutenção e proliferação da SE nos plantéis avícolas. Além disso, o uso indiscriminado de antibióticos em aves, particularmente as quinolonas, encorajou a manutenção de lotes positivos para SE. As cepas de SE isoladas de aves têm mostrado alta sensibilidade aos antibióticos de uso comum em avicultura, incluindo as quinolonas.... Tipo: Info:eu-repo/semantics/article Palavras-chave: Aves; Galinhas; Ovos; Salmonelose aviária; Salmonella Enteritidis. Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2002000200001 Effects of Glutamine on the Mucosal Structure and Immune Cells in the Intestines of Broiler Chickens Challenged with Salmonella Enteritidis Rev. Bras. Ciênc. Avic. Liu,Z; Wu,Q; Jiao,C; Cheng,B; Zhu,D; Ma,Y; Li,Y; Li,W. ABSTRACT The aim of this study was to investigate the effects of glutamine (Gln) on the intestinal mucosal structure and immune cells of broilers infected with Salmonella Enteritidis. 160 1-d-old commercial Arbor Acres (AA) broilers were randomly selected to receive one of four treatments, each of which had 5 replicates. Each replicate consisted of 8 chicks subjected to a 21-d feeding trial. Group I served as the unchallenged (CON). All birds in groups II (SCC) - IV were challenged with 2.0 × 104 CFU/mL of S. Enteritidis. The birds in groups III and IV were treated with 0.5% and 1.0% Gln. The results showed that S. Enteritidis infection led to a decrease in the relative length and weight, villus height:crypt depth (VH:CD) of the jejunum and ileum, the... Tipo: Info:eu-repo/semantics/article Palavras-chave: Glutamine; Intestinal villi; Mucosal immunity; Salmonella Enteritidis; Broiler. Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2020000300309 Evaluation of Disinfectants Used in Pre-Chilling water Tanks of Poultry Processing Plants Rev. Bras. Ciênc. Avic. Guastalli,BHL; Batista,DFA; Souza,AIS; Guastalli,EAL; Lopes,PD; Almeida,AM; Prette,N; Barbosa,FO; Stipp,DT; Freitas Neto,OC. ABSTRACT In poultry processing plants, disinfectants are often added to pre-chilling water tanks to reduce microbial contamination. The present study aimed at evaluating the effect of five disinfectants (acidified sodium chlorite, alkyl dimethyl benzyl ammonium chloride, chlorine dioxide, peracetic acid, and sodium hypochlorite) on the populations of food quality indicator microorganisms and on Salmonella Enteritidis (SE) in the presence and absence of organic matter. The results showed that chlorine dioxide and sodium hypochlorite did not reduce microbial carcass counts. On the other hand, acidified sodium chlorite, alkyl dimethyl benzyl ammonium chloride and peracetic acid reduced total and fecal coliform counts. Peracetic acid reduced the number of... Tipo: Info:eu-repo/semantics/article Palavras-chave: Broiler carcasses; Disinfectant; Indicator microorganisms; Pre-chilling tank; Salmonella Enteritidis. Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2016000200217 The Effect of Serial Culture and Storage on the Protective Potential of a Competitive Exclusion Preparation Rev. Bras. Ciênc. Avic. Almeida,WAF; Berchieri Junior,A; Barrow,PA. The competitive exclusion method (EC) was used to protect day-old birds against colonisation of the intestinal tract by Salmonella enterica serovar Enteritidis (SE). The culture prepared in nutrient broth incubated at 37ºC/24 h inhibited SE growth in the caecal contents. The beneficial effect was also observed after serial passage of the feces culture for up to 14 times. The material obtained after 12 serial sub-cultures after storage for 28 days at 4-6ºC also kept its action on SE. Tipo: Info:eu-repo/semantics/article Palavras-chave: Aerobic faecal culture; Competitive exclusion; Salmonella Enteritidis. Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2002000200006 Salmonelosis y campilobacteriosis, las zoonosis emergentes de mayor expansión en el mundo Veterinaria México Gutiérrez Castillo,Adriana del Carmen; Paasch Martínez,Leopoldo Henri; Calderón Apodaca,Norma Leticia. En la actualidad, la salmonelosis y la campilobacteriosis son las zoonosis de mayor prevalencia en países desarrollados, debido a la contaminación de alimentos de origen animal. La propagación de Salmonella enterica serotipo Enteritidis y Salmonella enterica serotipo Typhimurium va en aumento a partir de la segunda mitad del siglo XX, cuando ocurrieron dos cambios mundiales en la epidemiología de la salmonelosis: el surgimiento de infecciones en humanos por Salmonella Enteritidis, y la múltiple resistencia a los antibióticos de cepas de Salmonella Typhimurium. La mayoría de los análisis retrospectivos sugieren que existe relación epidemiológica entre las aves y los humanos: La modernización de la avicultura y las exportaciones de aves progenitoras son de... Tipo: Info:eu-repo/semantics/article Palavras-chave: Salmonella Enteritidis; Salmonella Typhimurium; Campylobacter jejuni; Campylobacter COLI; Epidemiología; Zoonosis. Ano: 2008 URL: http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S0301-50922008000100007 Phenotypic and genotypic characterization of Salmonella spp. isolated from foods and clinical samples in Brazil Anais da ABC (AABC) MIRANDA,ANDREA L.; CORDEIRO,SORAIA M.; REIS,JOICE N.; CARDOSO,LUCAS G.; GUIMARÃES,ALAÍSE G.. ABSTRACT Increasing antimicrobial resistance in Salmonella species has been a serious problem for public health worldwide. This study examines Salmonella spp. recovered from foods and clinical samples on serotype, antimicrobial resistance and PFGE genotypes. It identified 91 salmonellae, belonging to 31 different serotypes, from 36 isolates from food and 55 clinical samples. Salmonella Infantis (16.5%) and Salmonella Enteritidis (13.7%) are the most common among food isolates, whereas Salmonella Enteritidis (29.0%) and Salmonella Typhimurium (16.0%) mainly causes human salmonellosis. Antimicrobial susceptibility data showed that 63.0% of the isolates were fully susceptible to 12 antibiotics tested. Nalidixic acid showed high resistance rates, 32.7% and... Tipo: Info:eu-repo/semantics/article Palavras-chave: Salmonella; Salmonella Infantis; Salmonella Enteritidis; Antimicrobial resistance. Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652017000301143 Efeito protetor da microbiota cecal congelada e liofilizada sobre a infecção experimental de frangos de corte por Salmonella enterica sorovar Enteritidis Arq. Bras. Med. Vet. Zootec. Andreatti Filho,R.L.; Crocci,A.J.. Estudaram-se os efeitos do tratamento de frangos de corte com microbiota cecal anaeróbia liofilizada (MCL) e congelada (MCC) sobre a infecção do trato digestivo das aves por Salmonella enterica sorovar Enteritidis. Foi usada microbiota intestinal sem prévia identificação bacteriana. A infecção foi persistente, em ordem, no ceco, inglúvio e duodeno. A infecção também foi autolimitante nos grupos tratados e no controle. Não ocorreu diferença entre o grupo-controle positivo e os tratados com MCL ou MCC. Houve redução da colonização do ceco no período de 12 dias após o desafio nos grupos tratados com MCL e MCC, o que não ocorreu no grupo-controle positivo. Não houve variação entre os tratamentos com MCL e MCC quanto às características pesquisadas. A S.... Tipo: Info:eu-repo/semantics/article Palavras-chave: Frango; Salmonella Enteritidis; Probiótico; Exclusão competitiva; Microbiota congelada; Microbiota liofilizada. Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352002000500001 Resistência antimicrobiana em Salmonella Enteritidis isoladas de amostras clínicas e ambientais de frangos de corte e matrizes pesadas Arq. Bras. Med. Vet. Zootec. Ribeiro,A.R.; Kellermann,A.; Santos,L.R.; Nascimento,V.P.. The antimicrobial resistance of Salmonella Enteritidis strains isolated from clinical and environmental poultry samples in the Southern Brazil during the years of 1999, 2000 and 2001 was evaluated. Among the 79 isolated samples, 64 (81%) were resistant to at least one of the antimicrobial agents tested, showing 22 different resistance patterns. Tetracycline showed the highest percentage (64,5%) of resistance among the antimicrobial agents used. Resistance to drugs at different levels was found as the following: ampicillin (1.2%), kanamycin (1.2%), ciprofloxacin (2.5%), enrofloxacin (8.8%), gentamicin (21.5%), streptomycin (20.2%), nitrofurantoin (26.6%), and nalidixic acid (30.4%). None of the S. Enteritidis strains were resistant to chloramphenicol,... Tipo: Info:eu-repo/semantics/other Palavras-chave: Ave; Salmonella Enteritidis; Resistência antimicrobiana. Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352008000500032 Registros recuperados: 36 Primeira ... 1 2 ... Última

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