TITLE

Pathogen Prevalence and Microbial Levels Associated with Restricted Shell Eggs

AUTHOR(S)
Jones, D. R.; Musgrove, M. T.
PUB. DATE
September 2007
SOURCE
Journal of Food Protection;Sep2007, Vol. 70 Issue 9, p2004
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Restricted shell eggs that do not meet quality standards for retail but maintain acceptable quality for inclusion in further processed eggs are often diverted to further processing. A study was conducted to characterize the microbiological populations present on and in these eggs. On a single day, restricted eggs were collected from three shell egg processing plants a total of three times (replicates). Six shells or egg contents were combined to create a pool. Ten pools of shells and contents were formed for each plant per replicate. Shells and membranes were macerated in 60 ml of diluent. Contents were stomacher blended to form a homogeneous mixture. Total aerobic microorganisms and Enterobacteriaceae were enumerated. The prevalence of Salmonella, Campylobacter, and Listeria was determined by cultural methods. Average aerobic counts were 4.3 log CFU/ml for the shells and 2.0 log CFU/ml for the contents. There were plant x replicate differences for both (P < 0.05 and P < 0.01, respectively). The average Enterobacteriaceae level associated with the shell was 2.4 log CFU/ml and less than 0.1 log CFU/ml for the egg contents, with 36.7% of the samples being positive. One shell sample (0.5% of total samples) was Campylobacter positive. Two shell samples (1.1% of total samples) were Salmonella positive. Twenty-one percent of samples were positive for Listeria (33 shells and 5 contents). Although current pasteurization guidelines are based on Salmonella lethality, the results of this study reiterate the need to revisit the guidelines to determine the effectiveness for other pathogenic species.
ACCESSION #
26878337

 

Related Articles

  • Swabs as a Tool for Monitoring the Presence of Norovirus on Environmental Surfaces in the Food Industry. RÖNNQVIST, MARIA; RÄTTÖ, MARJAANA; TUOMINEN, PIRKKO; SALO, SATU; MAUNULA, LEENA // Journal of Food Protection;Aug2013, Vol. 76 Issue 8, p1421 

    Human norovirus (HuNoV), which causes gastroenteritis, can be transmitted to food and food contact surfaces via virus-contaminated hands. To investigate this transmission in food processing environments, we developed a swabbing protocol for environmental samples, evaluated the stability of HuNoV...

  • Microarray-Based Characterization of Staphylococcus aureus Isolates Obtained from Chicken Carcasses. EBNER, REBECCA; JOHLER, SOPHIA; SIHTO, HENNA-MARIA; STEPHAN, ROGER; ZWEI, CLAUDIO // Journal of Food Protection;Aug2013, Vol. 76 Issue 8, p1471 

    A total of 34 Staphylococcus aureus isolates from flock-wise pooled chicken neck skin samples collected at two abattoirs during slaughter were characterized with DNA microarray analysis and spa typing. The 20 isolates from abattoir A all belonged to clonal complex (CC) 12 and spa type t160. Of...

  • Inhibition of Listeria monocytogenes by Propionic Acid-Based Ingredients in Cured Deli-Style Turkey. GLASS, KATHLEEN A.; McDONNELL, LINDSEY M.; VONTAYSON, ROXANNE; WANLESS, BRANDON; BADVELA, MANI // Journal of Food Protection;Dec2013, Vol. 76 Issue 12, p2074 

    Listeria monocytogenes growth can be controlled on ready-to-eat meats through the incorporation of antimicrobial ingredients into the formulation or by postlethality kill steps. However, alternate approaches are needed to provide options that reduce sodium content but maintain protection against...

  • Assessment Criteria and Approaches for Rapid Detection Methods To Be Used in the Food Industry. WIEDMANN, MARTIN; SIYUN WANG; POST, LAURIE; NIGHTINGALE, KENDRA // Journal of Food Protection;Apr2014, Vol. 77 Issue 4, p670 

    The number of commercially available kits and methods for rapid detection of foodborne pathogens continues to increase at a considerable pace, and the diversity of methods and assay formats is reaching a point where it is very difficult even for experts to weigh the advantages and disadvantages...

  • Multilocus Genetic Characterization of Two Ant Vectors (Group II "Dirty 22" Species) Known To Contaminate Food and Food Products and Spread Foodborne Pathogens. SULAIMAN, IRSHAD M.; ANDERSON, MICKEY; OI, DAVID H.; SIMPSON, STEVEN; KERDAHI, KHALIL // Journal of Food Protection;Aug2012, Vol. 75 Issue 8, p1447 

    The U.S. Food and Drug Administration utilizes the presence of filth and extraneous materials as one of the criteria for implementing regulatory actions and assessing adulteration of food products of public health importance. Twenty-two prevalent pest species (also known as the "Dirty 22"...

  • Predicting Pathogen Growth during Short-Term Temperature Abuse of Raw Pork, Beef, and Poultry Products: Use of an Isothermal-Based Predictive Tool. Ingham, Steven C.; Fanslau, Melody A.; Burnham, Greg M.; Ingham, Barbara H.; Norback, John P.; Schaffner, Donald W. // Journal of Food Protection;Jun2007, Vol. 70 Issue 6, p1445 

    A computer-based tool (available at: www.wisc.edu/foodsafety/meatresearch) was developed for predicting pathogen growth in raw pork, beef, and poultry meat. The tool, THERM (temperature history evaluation for raw meats), predicts the growth of pathogens in pork and beef (Escherichia coli...

  • A Better Way To Spot Eggshell Cracks. Durham, Sharon // Agricultural Research;Feb2009, Vol. 57 Issue 2, p4 

    The article discusses a procedure developed by the U.S. Department of Agriculture's (USDA) Agricultural Research Service (ARS) to help the USDA'S Agricultural Marketing Service identify microcracks in egg shells. According to the article, the cracks are a food-safety concern because of the...

  • Summary of the Swedish Campylobacter Program in Broilers, 2001 through 2005. Hansson, I.; Forshell, L. Plym; Gustafsson, P.; Boqvist, S.; Lindblad, J.; Engvall, E. Olsson; Andersson, Y.; Vågsholm, I. // Journal of Food Protection;Sep2007, Vol. 70 Issue 9, p2008 

    A Campylobacter monitoring program in broiler chickens was carried out in Sweden from 2001 through 2005. The objective was to reduce the occurrence of Campylobacter in the food chain through preventive measures, starting with primary production. The program involved collecting samples from all...

  • Survival of Escherichia coil 0157:H7, Salmonella, and Listeria monocytogenes in Cranberry Juice Concentrates at Different °Brix Levels. Enache, Elena; Yuhuan Chen // Journal of Food Protection;Sep2007, Vol. 70 Issue 9, p2072 

    Survival of Escherichia coli O157:H7, Salmonella, and Listeria monocytogenes was evaluated in cranberry juice concentrates to determine if a 5-log reduction could be achieved without any other treatment. Inactivation at 0°C in concentrates with different °Brix levels was determined for a...

Share

Read the Article

Courtesy of THE LIBRARY OF VIRGINIA

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics