NDLI: Field evidence of roof rat (Rattus rattus) faecal contamination of barley grain stored in silos in the Czech Republic

Content Provider	Springer Nature Link
Author	Stejskal, Václav Aulický, Radek
Copyright Year	2013
Abstract	This study represents the first European report of a risk assessment for the contamination of grain by roof rats’ (Rattus rattus L.) faeces in silo structures that have traditionally been considered to be rodent-contaminant proof. In this work, we estimated the rate and magnitude of grain and grain transport silo technology contamination by faeces of R. rattus and identified the routes of entry of rodent faeces into grain stored in silos. We also compared the sizes of rat faeces and stored barley grains to determine whether they could easily be separated using sieves. We found that roof rats were able to heavily contaminate grain surfaces and conveyor belts with faecal deposits during a 3-week observation period. The average contamination rate was 6.90 ± 0.92 faeces/m2 (range 0–26 faeces/m2) for grain surfaces and 34.80 ± 8.03 faeces/m2 (range 8–87 faeces/m2) for conveyor belts. The size measurements (length, width and surface area) of rat faeces and barley grains showed their high similarity; these results therefore indicate that the physical separation of the two materials using sieves will be problematic.
Starting Page	117
Ending Page	124
Page Count	8
File Format	PDF
ISSN	16124758
Journal	Journal of Pest Science
Volume Number	87
Issue Number	1
e-ISSN	16124766
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2013-11-15
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Stores Grain Pests Rodents Faeces Contaminants Entomology Agriculture Plant Pathology Ecology Forestry Plant Sciences
Content Type	Text
Resource Type	Article
Subject	Ecology Plant Science Ecology, Evolution, Behavior and Systematics Insect Science Agronomy and Crop Science

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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