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Nematode parasite eggs in pasture soils and pigs on organic farms in Sweden

Lindgren, Kristina and Gunnarsson, Stefan and Höglund, Johan and Lindahl, Cecilia and Roepstorff, Allan (2020). Nematode parasite eggs in pasture soils and pigs on organic farms in Sweden. Organic Agriculture. 10 , 289-300
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Abstract

The EU regulation for organic pig production requires outdoor access to promote the animal welfare. This may increase the risk of infection of the common pig parasites, Ascaris suumand Trichuris suis, becauset heir eggs can survive for many years in the soil. The egg contamination of these parasites in outdoor areas with different managements and the faecal egg output from the pigs was investigated on 11 Swedish organic pig farmsin 2008. We found eggs of A.suum and, to a minor extent, T.suis in the soil from outdoor areas, which had previously been used for pig rearing and/or for spreading of pig manure. Piglets and their dams were turned out on pastures included in a crop rotation, and these areas had a mean of 2500 A.suum and 40 T.suis eggs per kilogram soil.When the pigs were 12-week-old, the faecal egg counts (FECs) of A.suum were positively correlated with the egg concentration in pasture soils before pig turnout. The areas used by dry sows had a mean of 11,700 A.suum and 220 T.suis eggs per kilogram soil. The highest egg concentrations in the soil were found in areas, frequently used by pigs in the most recent years. To minimise pasture contamination with parasite eggs, it is advised to have a crop rotation system and to inactivate parasite eggs in pig manure before spreading it. Parasite control needs further development to protect suckling piglets from infections due to environmental parasite egg contamination.

Authors/Creators:Lindgren, Kristina and Gunnarsson, Stefan and Höglund, Johan and Lindahl, Cecilia and Roepstorff, Allan
Title:Nematode parasite eggs in pasture soils and pigs on organic farms in Sweden
Year of publishing :2020
Volume:10
Page range:289-300
Number of Pages:12
Publisher:Springer
ISSN:1879-4238
Language:English
Publication Type:Journal article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 402 Animal and Dairy Science > Animal and Dairy Science.
Keywords:Ascaris suum, Trichuris suis, Organic pigs, Parasite eggs, Transmission on pasture
URN:NBN:urn:nbn:se:slu:epsilon-p-102876
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-102876
Additional ID:
Type of IDID
DOI10.1007/s13165-019-00273-3
ID Code:17393
Faculty:VH - Faculty of Veterinary Medicine and Animal Science
Department:(VH) > Department of Biomedical Science and Veterinary Public Health
(VH) > Dept. of Animal Environment and Health
Deposited By: SLUpub Connector
Deposited On:02 Sep 2020 11:25
Metadata Last Modified:02 Sep 2020 11:25

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