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AAD

Agnes Andersson Djurfeldt

Professor, pro dean

AAD

Manure management and public health : Sanitary and socio-economic aspects among urban livestock-keepers in Cambodia

Author

  • Gunilla Ström
  • Ann Albihn
  • Tomas Jinnerot
  • Sofia Boqvist
  • Agnes Andersson-Djurfeldt
  • Seng Sokerya
  • Kristina Osbjer
  • Sorn San
  • Holl Davun
  • Ulf Magnusson

Summary, in English

Livestock manure is a valuable source of nutrients for crop production, but can also pose a public health hazard and have negative environmental impacts. This study investigated manure management practices among urban and peri-urban livestock keepers in Cambodia, to identify risk behaviours and socio-economic aspects associated with the handling of manure. A survey including 204 households was conducted, using a structured questionnaire with questions on demographics, socio-economic characteristics and household practices related to manure management. Faecal samples were obtained from pig pens and pig manure storage units for analysis of the potential zoonotic pathogens Salmonella enterica (Polymerase Chain Reaction (PCR)), Ascaris suum and Trichuris suis (McMaster flotation technique). The survey revealed a difference in management between cattle and pig manure. Cattle manure was most commonly used as fertiliser for crop production (66%) (p < 0.001), whereas pig manure was most commonly dumped in the environment (46%) (p < 0.001). Logistic regression models showed that households with a lower socio-economic position were more likely to dump pig manure (p < 0.001), with scarcity of agricultural land (p < 0.001) and lack of carts for transportation of manure (p < 0.01) being identified as contributing factors. Salmonella enterica was detected in 9.7% of manure samples, while Ascaris suum and Trichuris suis were detected in 1.6% and 2.4% of the samples, respectively. The results presented in this study indicate that manure management by urban and peri-urban households may pose a public health threat and an environmental hazard. There is evidently a need for further knowledge support to the livestock keepers to promote good management practices.

Department/s

  • Department of Human Geography

Publishing year

2018-04-15

Language

English

Pages

193-200

Publication/Series

Science of the Total Environment

Volume

621

Document type

Journal article

Publisher

Elsevier

Topic

  • Animal and Dairy Science
  • Environmental Health and Occupational Health

Keywords

  • Cambodia
  • Manure management
  • Pig production
  • Public health
  • Socio-economic
  • Urban livestock

Status

Published

ISBN/ISSN/Other

  • ISSN: 0048-9697