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| Predicate | Object |
|---|---|
| rdf:type | |
| lifeskim:mentions | |
| pubmed:issue |
8
|
| pubmed:dateCreated |
1993-10-15
|
| pubmed:abstractText |
A total of 101 egg wash water samples from five different egg grading stations in eastern Ontario were analyzed for a variety of physical and chemical variables in an attempt to find a correlation with total bacterial counts. Temperature, pH, total chlorine, and percentage transmission at 600 nm (%T) were found to be significant variables, and a multiple regression equation was derived that accounted for 65% of the total variation. The equation was used to classify wash water samples as acceptable (< or = 10(5) cfu/mL) or unacceptable and correctly classified 77.2% of the samples. Classification of a second (validation) data set from 58 wash water samples was correctly predicted in 72% of the cases. The predictive value of the equation was especially good for those wash water samples obtained from stations that had used a chlorinated alkaline detergent, 90.4 and 100% for the modeling and validation data, respectively. Maintenance of wash water at recommended levels for temperature and pH (i.e., > or = 40 C and pH > or = 10) was insufficient to ensure bacterial numbers would be < or = 10(5) cfu/mL. Under normal operating conditions a minimum total available chlorine concentration of .45 mg/L should be maintained in wash water to ensure that bacterial numbers are kept at an acceptable level. Monitoring of temperature, pH, total chlorine, and %T will assist in maintaining wash water quality and minimize the number of samples returned to laboratories for microbiological analysis.
|
| pubmed:language |
eng
|
| pubmed:journal | |
| pubmed:citationSubset |
IM
|
| pubmed:chemical | |
| pubmed:status |
MEDLINE
|
| pubmed:month |
Aug
|
| pubmed:issn |
0032-5791
|
| pubmed:author | |
| pubmed:issnType |
Print
|
| pubmed:volume |
72
|
| pubmed:owner |
NLM
|
| pubmed:authorsComplete |
Y
|
| pubmed:pagination |
1584-91
|
| pubmed:dateRevised |
2003-11-14
|
| pubmed:meshHeading |
pubmed-meshheading:8378225-Animals,
pubmed-meshheading:8378225-Bacteria,
pubmed-meshheading:8378225-Chickens,
pubmed-meshheading:8378225-Chlorine,
pubmed-meshheading:8378225-Eggs,
pubmed-meshheading:8378225-Food Handling,
pubmed-meshheading:8378225-Hydrogen-Ion Concentration,
pubmed-meshheading:8378225-Models, Theoretical,
pubmed-meshheading:8378225-Regression Analysis,
pubmed-meshheading:8378225-Temperature,
pubmed-meshheading:8378225-Water,
pubmed-meshheading:8378225-Water Microbiology
|
| pubmed:year |
1993
|
| pubmed:articleTitle |
The analysis of egg wash water for the rapid assessment of microbiological quality.
|
| pubmed:affiliation |
Centre for Food and Animal Research, Agriculture Canada, Ottawa, Ontario.
|
| pubmed:publicationType |
Journal Article
|