Skip Navigation
Skip to contents

JPMPH : Journal of Preventive Medicine and Public Health

OPEN ACCESS
SEARCH
Search

Author index

Page Path
HOME > Browse Articles > Author index
Search
Yu Sun Yun 1 Article
Examination of Ascaris Eggs on Strawberries and Soils of the Strawberry Yards.
Yu Sun Yun, Byong Phyo Chang
Korean J Prev Med. 1971;4(1):35-39.
  • 1,642 View
  • 24 Download
AbstractAbstract PDF
The authors examined the Ascaris Eggs on the surface of the strawberries and in the soil of the strawberry yards. The results were as follows : 1. The number of Ascaris eggs detected from 870 strawberries grown on strawberry yards was 26, of which 17 eggs were found to be alive. 2. The mean number of Ascaris eggs detected in every 10gm of the soil of strawberry yards was 10.3. The Ascaris eggs were detected over 93% from th yards examined, which had been fertilized with both chemical fertilizer and night soil, or night soil only. 3. No Ascaris eggs was found from strawberries which were produced only with chemical fertilizer. 4. Ascaris eggs were detected 6 from 705 marketing strawberries studied, 3 of them developed to larval stage. 5. When the strawberries were washed by shaking 20 time after kept immersed in water for 10 minutes, the recovery rates of Ascaris eggs after first, 2nd, 3rd, 4th and 5th washing were 60, 87, 96, 99 ad 100%, respectively. 6. Besides Ascaris eggs of hook worm and Fasciolidae were also found from the strawberries examined.
Summary

JPMPH : Journal of Preventive Medicine and Public Health