Bibliografie tematiche / Salmonella broughton

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Letteratura scientifica selezionata sul tema "Salmonella broughton"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 20 febbraio 2023

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Articoli di riviste sul tema "Salmonella broughton"

Afroz, Farzana, Md Mostafizer Rahman, Md Fakhruzzaman e Mezabh Uddin. "Lethal Effects of Salmonella Toxin Isolated from Layer Chickens". Microbes and Health 1, n. 1 (9 febbraio 2013): 19–22. http://dx.doi.org/10.3329/mh.v1i1.13708.

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This study was conducted to determine lethal effects of Salmonella toxin isolated from layer chickens. The chickens were collected from Paragon Poultry Farm, Rangpur and Ahana Poultry Farm, Dinajpur and brought to the Microbiology Laboratory at the Hajee Mohammad Danesh Science and Technology University, Dinajpur, to isolate and identify Salmonella spp., and subsequent toxin separation from the isolated organisms for the detection of lethal effects of the toxin. The lethality of isolated toxin was evaluated in day-old-chick. The toxicity in case of oral administration was 50%, whereas the rate was 80% when chicks were administered through intra-peritoneal route. The chick mortality rate was 65%. For toxin extraction, Salmonellae were isolated and identified from layer chickens. Out of 196 organ samples, 51 were found to be positive for Salmonella spp., of which 33 and 18 were of Paragon Poultry Farm and Ahana Poultry Farm, respectively. Total 60 chickens (27 pullets and 33 layers) were screened. The percentages of positive samples (liver, spleen, lung, heart) from these farms were 29.82 and 20.73%, respectively and the average prevalence of Salmonellae was 26.02%. In case of Paragon Poultry Farm, the prevalence of salmonellosis in pullet was 23.08% and in layer, it was 35.48%, whereas in case of Ahana Poultry Farm, the prevalence was 16.67 and 23.91%, respectively.DOI: http://dx.doi.org/10.3329/mh.v1i1.13708 Microbes and Health Vol.1(1) June 2012 pp.19-22

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Afriyani, Afriyani, Darmawi Darmawi, Fakhrurrazi Fakhrurrazi, Zakiah Heryawati Manaf, Mahdi Abrar e Winaruddin Winaruddin. "ISOLASI BAKTERI Salmonella sp. PADA FESES ANAK AYAM BROILER DI PASAR ULEE KARENG BANDA ACEH (Isolation of Salmonella sp. in Feces of Broiler Chicks at Ulee Kareng Market Banda Aceh)". Jurnal Medika Veterinaria 10, n. 1 (1 febbraio 2016): 74. http://dx.doi.org/10.21157/j.med.vet..v10i1.4047.

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The research aimed to isolate Salmonella sp.in feces of broiler chicks. Fifteen feces samples of broiler chick were obtained from Ulee Kareng Market in Banda Aceh. Chick cloaca was swabbed using a sterile cotton swab, put into the microtube, and brought to the Microbiology Laboratory of Veterinary Medicine Faculty, Syiah Kuala University. The samples were incubated in selenite cystine broth (SCB) medium, cultured in salmonella shigella agar (SSA) and separated colonies were inoculated in nutrien agar (NA) at 37° C for 24 hours. Bacteria stained with Gram staining then tested biochemically. The result showed that Salmonella sp. were identified in 9 out of 15 feces chicks samples. It ca be concluded that broiler chick in Ulee Kareng Market Banda Aceh contaminated with bacteria Salmonella sp.

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HOGUE, ALLAN T., DAVID W. DREESEN, STANLEY S. GREEN, ROBERT D. RAGLAND, WILLIAM O. JAMES, EDWARD A. BERGERON, L. VICTOR COOK, MARK D. PRATT e DAVID R. MARTIN. "Bacteria on Beef Briskets and Ground Beef: Correlation with Slaughter Volume and Antemortem Condemnation". Journal of Food Protection 56, n. 2 (1 febbraio 1993): 110–13. http://dx.doi.org/10.4315/0362-028x-56.2.110.

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Aerobic plate counts of 3,455 brisket and 1,370 ground beef samples were examined for association with slaughter volume in 547 U.S. beef slaughter establishments. In general, high-volume beef slaughter establishments control total aerobic bacteria counts on briskets and ground beef more effectively than small volume establishments. The lower Aerobic plate counts at high slaughter volumes may have resulted from uniformity of cattle slaughtered, specialization of labor, measures taken to prevent contamination, and effective decontamination of carcasses in high-volume slaughter establishments. In this study the prevalence of Salmonella contamination was found to be more closely associated with the health of animals brought to slaughter than with certain conditions in the slaughter establishments. The prevalence of contamination of brisket and ground beef samples with Salmonella was highest in calf slaughter establishments. Salmonella contamination on brisket samples increased as antemortem condemnation increased in establishments that slaughter calves. No association was found between Salmonella contamination and slaughter volume.

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Galès, P., e B. Baleux. "Influence of the Drainage Basin input on a Pathogenic Bacteria (Salmonella) Contamination of a Mediterranean Lagoon (The Thau Lagoon - France) and the Survival of This Bacteria in Brackish Water". Water Science and Technology 25, n. 12 (1 giugno 1992): 105–14. http://dx.doi.org/10.2166/wst.1992.0342.

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Research has been carried out over a 10 month period with the aim of identifying potential sources of Salmonella contamination in a Mediterranean lagoon (the Thau Lagoon). Two types of source have been sampled, permanent ones which are checked monthly, and incidental ones. The highest occurrence of Salmonella is linked to episodic events brought on by rainfall. After summer low water levels, the rising of river water brings back into circulation water from pools previously formed by waste water from sewage treatment plants and sediments, thus creating a significant source of bacteria. The sewer system can also supply the Thau Lagoon with varying quantities of Salmonella when the system breaks down, and also when it is overloaded by an excess of rainwater following a storm. Monthly checks reveal that discharges of Salmonella occurred occasionally in permanent inputs, whereas the outflow from the Mèze pond provides a quasi-permanent, but negligible, source of contamination. The major risk of shellfish breeding contamination is thus associated with rainfall, and the occasional overflow of raw wastewater.The survival of Salmonella in the lagoon waters varies in function with the seasons, and the risk is greatest at those times of the year when autopurification can be affected.

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Adhikari, Sunil, Suraj Rijal e Ashish Shrestha. "Salmonella gastroenteritis outbreak in a family: a case report". Journal of Patan Academy of Health Sciences 6, n. 2 (31 dicembre 2019): 51–55. http://dx.doi.org/10.3126/jpahs.v6i2.27230.

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Five members of a family were brought to emergency with complaints of high grade fever, pain abdomen, diarrhoea and vomiting. The symptoms started after five hours of food, the vegetable curry by this family. Four of them were in hypovolemic shock and two had significant pus cells in stool examination. All of them were discharged by seven days. Stool culture of three of these patients showed salmonella.

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Jepsen, Svend-Erik, Michael Krause e Henrik Grüttner. "Reduction of fecal streptococcus and salmonella by selected treatment methods for sludge and organic waste". Water Science and Technology 36, n. 11 (1 dicembre 1997): 203–10. http://dx.doi.org/10.2166/wst.1997.0412.

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The increasing utilization of waste water sludge and source-separated organic household waste in agriculture has brought the quality aspects into focus, among others the hygienic aspects. In this study, the reducting effect on Fecal Streptococcus (FS) and Salmonella of different methods for stabilization and methods for further treatment of sludge and organic waste has been investigated. The most common methods for stabilization, i.e. aerobic and anaerobic stabilization, only reduce the indicator organisms by approximately 1 logarithmic decade. Methods for further treatment of sludge and organic waste have shown reductions of microorganisms allowing for unrestricted utilization in agriculture, meeting the product control: FS below 100/g and no Salmonella detected. The effect of storage of sludge at summer and winter temperature respectively has been investigated. At temperatures (around 20°C) significant reductions of Salmonella were found, while the die out at low temperatures (below 10°C) was limited. FS was not reduced systematically during storage, and therefore, FS is not usable as indicator organism for the hygienic properties of sludge during storage.

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Yalçın, Yasemin, Pelin Koçak Kızanlık, Cemil Şahiner e Ergün Ömer Göksoy. "Evaluation of the effect of cooling on the microbiological quality of lamb carcasses". Food and Health 7, n. 3 (2021): 179–84. http://dx.doi.org/10.3153/fh21019.

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This study aimed to determine the effects of cooling on microbiological quality of lamb carcasses. Total Aerobic Bacteria Count (TABC), Enterobactericeae counts and the presence of Salmonella spp. were investigated in accordance with the Turkish Food Codex Regulation on Microbiological Criteria and European Union Commission Regulation 2073/2005. Sampling was carried out on aseptic conditions from the surface of 25 randomly selected lambs brought to slaughterhouse. The results showed that the mean TABC were 2.24±0.087 log cfu/cm2 before cooling and 2.41±0.061 log cfu/cm2 after cooling (P>0.05). The mean Enterobactericeae count was 0.21±0.11 log cfu/cm2 before cooling and 0.69±0.13 log cfu/cm2 after cooling (P<0.01). Furthermore, Salmonella spp. were determined on 3 carcasses before cooling and one another carcass after cooling. The inﬂuence of cooling on categorisation according to the legislations presented that it could potentially improve the numbers of acceptable carcasses for TABC and Salmonella spp. Nevertheless, the results exhibited that the hygiene and cooling stage of the slaughter line must be re-evaluated in terms of HACCP requirements and that corrective measures/actions must be taken.

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FAJARDO, T. A., R. C. ANANTHESWARAN, V. M. PURI e S. J. KNABEL. "Penetration of Salmonella enteritidis into Eggs Subjected to Rapid Cooling". Journal of Food Protection 58, n. 5 (1 maggio 1995): 473–77. http://dx.doi.org/10.4315/0362-028x-58.5.473.

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Eggs were cooled to 0°C using two different cooling rates, natural convection, and forced convection at an air speed of 30.5 m/min. Upon rapid cooling using forced convection and when brought back to room temperature, eggs were more prone to penetration by Salmonella enteritidis (strain PS8NSR). Eggs cooled using forced convection had 100% penetration by PS8NSR; eggs cooled using natural convection had 91.3% penetration; and uncooled eggs had 48% penetration. Scanning electron microscopy revealed that shells of both cooled and uncooled eggs had microscopic cracks; however, cracks were more numerous and larger in shells of cooled eggs.

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Vercelli, Andrea, Enrico Lo Cicero e Luca Pazzini. "Salmonella typhimurium Endocarditis and Myocarditis in a Cat". Case Reports in Veterinary Medicine 2019 (9 dicembre 2019): 1–6. http://dx.doi.org/10.1155/2019/7390530.

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An 8-month-old neutered male outdoor cat was brought to our surgical center for a sudden onset of diarrhea, pyrexia, and lethargy. Physical examination revealed a loud left parasternal systolic murmur with no thrill. An echocardiogram showed a large hyperechoic vegetation (about 9 mm thick) on the aortic valve leaflets. The results of Doppler ultrasound examination were compatible with severe aortic stenosis. A singular urine culture test performed by cystocentesis samples enabled the isolation of more than 105 CFU/ml in a pure culture of Salmonella typhimurium. Enlarged mesenteric lymph nodes and moderate dilatation of small bowel loops were found on abdominal ultrasound examination. The patient was treated with marbofloxacin (2 mg/kg IM every 24 hours), cefazoline (20 mg/kg SC every 12 hours), metronidazole (10 mg/Kg IV every 12 hours), clopidogrel (18.75 mg PO every 24 hours), atenolol (0.5 mg/kg OS every 12 hours), and fluid therapy (ringer acetate 2.5 ml/kg/h), but after three days in hospital the patient died from presumed septic shock. A urine culture revealed that Salmonella typhimurium was sensitive to third generation cephalosporins but not to fluoroquinolones. Necropsy, histologic examinations, culture of the aortic valve, and PCR analysis of the aortic valve leaflets were eventually performed and Salmonella typhimurium endocarditis with myocardial phlegmon was confirmed. Endocarditis is a rare disease in cats and poorly described in the veterinary literature. To the best of the authors’ knowledge, this is the first report of Salmonella typhimurium endocarditis and myocarditis in a cat.

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Khanal, S., M. Kandel e M. P. Shah. "Antibiogram Pattern of Escherichia coli, Salmonella spp. and Staphylococcus spp. Isolates from Broiler Chicken". Nepalese Veterinary Journal 36 (1 dicembre 2019): 105–10. http://dx.doi.org/10.3126/nvj.v36i0.27763.

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Abstract (sommario):

This study was conducted on clinical cases of broiler chicken brought at National Avian Disease Investigation Laboratory (NADIL) and Veterinary Teaching Hospital, Agriculture and Forestry University during the period of December, 2018 to April, 2019. The study was aimed to find the antibiogram pattern of Escherichia coli, Salmonella species and Staphylococcus species. A total of 50 ill broiler liver samples were collected and inoculated in Nutrient Agar, XLD agar Mac-Conkey agar, EMB Agar and Mannitol Salt Agar and incubated for 24 hours at 370C. During microbiological examination, prevalence of E.coli was 36 %, Salmonella species was 2% and Staphylococcus species was 8% where as mixed infection was 40%. Antibiogram profile for E. coli isolates were sensitive to Amikacin (88.89%) followed by Colistin (66.67%), Ciprofloxacin (50%), Levofloxacin (42.10%) and Gentamycin (27.78%) while Ceftriaxone (11.11%) and Tetracycline (11.11%) was recorded as least sensitive, for Salmonella species isolates were highly sensitive to Amikacin (100%) and other remaining antibiotics; Ceftriaxone , Gentamicin, Levofloxacin, Ciprofloxacin, Colistin and Tetracycline were observed to be resistant and for Staphylococcus spp. isolates were sensitive to Amikacin (75%) followed by Gentamicin (25%) , Levofloxacin (25%), and Ciprofloxacin (25%) while Tetracycline and Colistin were resistant. In the conclusion, it is strongly recommended to decrease the unethical use of antibiotics to minimize the development of resistance strain of microbes in the future.

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Più fonti

Tesi sul tema "Salmonella broughton"

Mann, Cindy Mary, of Western Sydney Hawkesbury University e Faculty of Science and Technology. "Salmonella regrowth potential of two sewage sludge products". THESIS_FST_XXX_Mann_C.xml, 1997. http://handle.uws.edu.au:8081/1959.7/361.

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Abstract (sommario):

The disposal of sewage sludge is becoming an ever-increasing problem and a range of re-use options are being developed, with traditional composting and advanced alkaline stabilisation emerging as priority re-use alternatives in NSW. However, concerns have been raised regarding the dissemination of sludge related pathogens in the environment. Salmonella spp pose the greatest risk since they have the ability to proliferate in the absence of human and animal hosts. Composting processes eliminate salmonellae from sludge, but the opportunity for post-processing recontamination is considerable. This project examined the significance of post-processing recontamination of Salmonella broughton, introduced into composted sludge and N-Virosoil. In compost, inactivation rates of S. broughton showed an inverse relationship with simulated processing temperatures, with competitive exclusion by autocthonous compost flora thought to be the major mechanism of inhibition. S. broughton numbers were reduced to below the limits of detection after several weeks. S. broughton inactivation was also assessed in processed N-Virosoil and was found to be more immediate. It was concluded that both compost and N.Virosoil products have a low potential to support the regrowth of Salmonella spp.
Master of Science (Hons)(Environmental Science)

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Mann, Cindy Mary. "Salmonella regrowth potential of two sewage sludge products". Thesis, 1997. http://handle.uws.edu.au:8081/1959.7/361.

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