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http://dx.doi.org/10.11002/kjfp.2013.20.1.69

Investigation of Reliability of Automatic Cracked and Bloody Egg Detector  

Noh, Jae Jung (Korea Institute for Animal Products Quality Evaluation)
Jeon, Seung Yeob (Korea Institute for Animal Products Quality Evaluation)
Park, Byeong Seck (Korea Institute for Animal Products Quality Evaluation)
Kim, Sun Man (Korea Institute for Animal Products Quality Evaluation)
Kim, Heui Soo (Korea Institute for Animal Products Quality Evaluation)
Kim, Hyun Joo (Department of Animal Science and Biotechnology, Chungnam National University)
Jo, Cheorun (Department of Animal Science and Biotechnology, Chungnam National University)
Publication Information
Food Science and Preservation / v.20, no.1, 2013 , pp. 69-75 More about this Journal
Abstract
This study was conducted to investigate the reliability of automatic cracked and bloody egg detector according to the age of the hens and the level of the detector. The results of this study are expected to be helpful in the implementation of the Korean egg grading system, which is expected to improve egg quality for consumers. An official egg grader randomly selected 1,000 eggs for each experiment (total 36,000 eggs), ran them through the automatic detector, and conducted labor inspection using the eggs that were classified by the detector as cracked, bloody, and normal eggs. The results showed that more cracked eggs were laid by hens aged 40-60 weeks than by hens aged 30 weeks (p<0.05). Also, when the detector level increased from four to seven (i.e., when it became less sensitive), its cracked eggs detection rate dropped, and the total rate of cracked eggs was consistent after the labor inspection of the classified eggs. The automatic detector achieved over 97 percent accuracy. The bloody eggs constituted only 0.005 percent of all the samples, and all the detector-detected eggs were bloody eggs after the labor inspection of both the bloody and normal egg lines. Therefore, it can be concluded that the automatic cracked and bloody egg detector was reliable and can be used in the egg grading system. Considering that cracked eggs should be less than 9 percent of first-grade eggs in the present egg grading system, the use of an automatic crack detector may help provide better-quality eggs to consumers by producing less than 5.5 percent cracked eggs.
Keywords
Reliability; cracked egg; bloody egg; level of detector; age of hen;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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