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Salmonellosis
Salmonellosis also known as Salmonella is a type of food poisoning caused by bacteria generally found in raw food and water. All questions concerning symptoms, causes and treatments can be found here.
438 Questions
How long does it take after eating bad pork for salmonella poison to occur?
2 hours - 12 hours id say
What is more virulent E. coli ID50 of 100 or salmonella ID50 of 1000000?
Neither; virulence is a subjective measure of the severity of symptoms caused by microbial infection, it is not related to the ID50 of the infecting organism.
The ID50 number for an infectious agent refers the the dose required to infect half of a population; it is usually given in terms of individual organisms. A higher ID50 equals more difficult transmission (ignoring other factors that affect transmission), so a lower ID50 would make the agent more infectious.
So, E. coli is more infectious than Salmonella, as it takes more individual salmonella organisms to cause infection.
How do you differentiate between E. coli and salmonella?
E.coli
In stool samples microscopy will show Gram negative rods, with no particular cell arrangement. Then, either MacConkey agar or EMB agar (or both) are inoculated with the stool. On MacConkey agar, deep red colonies are produced as the organism is lactose positive, and fermentation of this sugar will cause the medium's pH to drop, leading to darkening of the medium. Growth on Levine EMB agar produces black colonies with greenish-black metallic sheen. This is diagnosic of E. coli.
Salmonella
Culture is microbial growth on or in a nutritional solid or liquid medium; increased numbers of organisms simplify identification. Culture also facilitates testing of antimicrobial susceptibility.
Communication with the laboratory is essential. Although most specimens are placed on general purpose media (eg, blood or chocolate agar), some pathogens require inclusion of specific nutrients and inhibitors or other special conditionsHow do you know if your turtle has salmonella?
Bacteria of genus Salmonella are normal mutualistic symbionts in the intestine of turtles; however you can see it with a fecal colture.
Is Salmonella food poisoning caused by bacterium?
Salmonella is a bacterium that causes a diarrheal disease known as gastroenteritis. It is a food-borne disease spread through consumption of contaminated foods, especially eggs and poultry and is caused by rapid bacterial growth in these foods. It is one of the most common food poisonings, and is usually not terribly serious - it runs it's course in 24-48 hours, but it is very unpleasant while you have it.
Do all chickens have salmonella If you have a pet chicken and it has it can you get rid of it?
No and most likely not.
Can you get salmonella from rice?
NOTE: It is unlikely that one could get Salmonella poisoning from cooked rice - unless is has been contaminated after cooking. Bacillus cereus is a different bacteria.
Bacillus cereus This spore-forming organism is featuring in an increasing number of outbreaks of food poisoning due mainly to rice from take-away food premises. Bacillus cereus is a common contaminant of cereals including rice. At take-aways the rice is often boiled in batches then left to cool at ambient room temperature, allowing the spores to vegetate and produce heat resistant toxins. Later, raw egg may be added to the boiled rice prior to it being flash fried, a process, which will not destroy all the bacteria or the heat resistant toxins. There is also a risk that the egg may have contained Salmonella, resulting in a potent 'cocktail' of the poison produced by the Bacillus cereus toxins and Salmonella organisms. Cases involving vanilla slices have caused outbreaks of Bacillus cereus food poisoning due to the use of infected cornflour in the custard. The solution to the problems with cooked rice and vanilla slices is to cool the rice and custard as quickly as possible after cooking and then storing it under refrigeration until required for use. An easy operation often neglected by smaller operators. Yes ! See below - i would like to know the risk of this and which kinds are the worst if anyone can answer this... www.sofht.co.uk/technical/battleofbugs.htm
How does salmonella look like?
Salmonella bacteria are rod-shaped, gram-negative organisms that typically appear as tiny, colorless colonies on agar plates. Under a microscope, they can be seen as small, motile rods with flagella. In food or water, Salmonella cannot be visually detected without specialized equipment.
