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Q: Why should the standard plate count be between 30 and 300 colonies?
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Why Plate Count Agar is used?

it is used to count the colonies


What is the difference between to think and to reckon?

To reckon means to count. Its use as a synonym for "to think" in general is non-standard.


How could the pour plate procedure be used for counting the number of bacteria in a sample?

It is recommended that plates that should be counted should be between 30 and 300 McCance and Harrigan (1992). When more that 300 colonies you cant count them with great accuracy and represented with TNC ( too numerous to count). If colonies are less that 30 do you conclude that there was no bacteria in a product or food, if counting less than 20 colonies is unrealistic. Some standards are zero tolerant where even one colony means alot. So IDF (19991/1992) came up with a formula which takes in account the plates with/ even less than 30 colonies. The formula takes into account all sums of colonies obtained on the pour plates to come up with total cfus


What is considered a high plate count?

Usually hundreds of colonies (>300) is considered as a high plate count.


How many colonies were there at the start of the American war of independence?

Count the bars on the American flag. There is 13; one for each of the original colonies.


What does the American stripes stand for?

the 13 colonies. if you count there is 13 stripes.


What are the limitations and advantages of standard plate count?

The standard plate count is performed so that the number of microorganisms found in a single gram of food can be determined. To be considered standard, there needs to be a minimum of 25 colonies on the plate.


What is the Fret count of a standard electric guitar?

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What is the standard for aerobic plate count?

30-300


Why is the level of contamination measured as number of colonies rather than size of colonies?

Because it's like impossible to count them since there's just trillions and trillions and trillions of them, so it's easier to count the number of colonies.


What if your instructor asks you to determine the number of organisms in a water sample observation of your dilution plates reveals?

I think you would eliminate plate counts that are not between 30-300 colonies. <30, because its too few to count, >300 too numerous to count.


Pug is menstruating when can she be spayed?

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