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Cluster randomised trial of the impact of biosecurity measures on poultry health in backyard flocks
In Cambodia, most poultry are raised in backyard flocks with a low level of biosecurity, which increases the risk of spread of infectious diseases. The aim of this study was to evaluate the effectiveness of a practical biosecurity intervention based on affordable basic measures. A cluster randomised...
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| Published in: | The veterinary journal (1997) 2013-12, Vol.198 (3), p.649-655 |
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| Main Authors: | , , , , , , , |
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| cites | cdi_FETCH-LOGICAL-c394t-f1a3746df8ca1ec8a55ec1fe5aca31016aaff2923a06aa866c4ce81dedaa56153 |
| container_end_page | 655 |
| container_issue | 3 |
| container_start_page | 649 |
| container_title | The veterinary journal (1997) |
| container_volume | 198 |
| creator | Conan, Anne Goutard, Flavie Luce Holl, Davun Ra, Sok Ponsich, Aurélia Tarantola, Arnaud Sorn, San Vong, Sirenda |
| description | In Cambodia, most poultry are raised in backyard flocks with a low level of biosecurity, which increases the risk of spread of infectious diseases. The aim of this study was to evaluate the effectiveness of a practical biosecurity intervention based on affordable basic measures. A cluster randomised trial was conducted in 18 villages in Cambodia from November 2009 to February 2011. Generalised estimating equations were used to test the association between the intervention and mortality rates in flocks of chickens and ducks. Mortality rates in chicken flocks in intervention villages (mean 6.3%, range 3.5–13.8%, per month) were significantly higher than in control villages (mean 4.5%, range 2.0–9.7%, per month; P |
| doi_str_mv | 10.1016/j.tvjl.2013.09.010 |
| format | article |
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The aim of this study was to evaluate the effectiveness of a practical biosecurity intervention based on affordable basic measures. A cluster randomised trial was conducted in 18 villages in Cambodia from November 2009 to February 2011. Generalised estimating equations were used to test the association between the intervention and mortality rates in flocks of chickens and ducks. Mortality rates in chicken flocks in intervention villages (mean 6.3%, range 3.5–13.8%, per month) were significantly higher than in control villages (mean 4.5%, range 2.0–9.7%, per month; P<0.01). Mortality rates in duck flocks in intervention villages (mean 4.1%, range 1.9–7.9%, per month) were significantly higher than in control villages (mean 2.8%, range 0.6–8.0%, per month; P<0.01). Despite good compliance among poultry owners, the biosecurity intervention implemented in this study was not associated with improvements in poultry mortality rates. These findings suggest that basic biosecurity measures may not suffice to limit the spread of infectious diseases in backyard poultry flocks in Cambodia.</description><identifier>ISSN: 1090-0233</identifier><identifier>EISSN: 1532-2971</identifier><identifier>DOI: 10.1016/j.tvjl.2013.09.010</identifier><identifier>PMID: 24183714</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Animal Husbandry ; Animal Husbandry - methods ; Animals ; Avian influenza virus ; Backyard poultry ; Biosecurity ; Cambodia ; Cambodia - epidemiology ; Chickens ; Cluster randomised trial ; Communicable Disease Control ; Communicable Disease Control - methods ; Ducks ; Human health and pathology ; Infectious diseases ; Influenza A Virus, H5N1 Subtype ; Influenza A Virus, H5N1 Subtype - isolation & purification ; Influenza in Birds ; Influenza in Birds - epidemiology ; Influenza in Birds - prevention & control ; Influenza in Birds - transmission ; Influenza in Birds - virology ; Life Sciences ; Newcastle Disease ; Newcastle Disease - epidemiology ; Newcastle Disease - prevention & control ; Newcastle Disease - transmission ; Newcastle Disease - virology ; Newcastle disease virus ; Newcastle disease virus - isolation & purification ; Poultry Diseases ; Poultry Diseases - epidemiology ; Poultry Diseases - prevention & control ; Poultry Diseases - transmission ; Poultry Diseases - virology ; Random Allocation ; Seroepidemiologic Studies</subject><ispartof>The veterinary journal (1997), 2013-12, Vol.198 (3), p.649-655</ispartof><rights>2013 Elsevier Ltd</rights><rights>Copyright © 2013 Elsevier Ltd. All rights reserved.</rights><rights>Copyright</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c394t-f1a3746df8ca1ec8a55ec1fe5aca31016aaff2923a06aa866c4ce81dedaa56153</citedby><cites>FETCH-LOGICAL-c394t-f1a3746df8ca1ec8a55ec1fe5aca31016aaff2923a06aa866c4ce81dedaa56153</cites><orcidid>0000-0002-6946-7958</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24183714$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://pasteur.hal.science/pasteur-01739392$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Conan, Anne</creatorcontrib><creatorcontrib>Goutard, Flavie Luce</creatorcontrib><creatorcontrib>Holl, Davun</creatorcontrib><creatorcontrib>Ra, Sok</creatorcontrib><creatorcontrib>Ponsich, Aurélia</creatorcontrib><creatorcontrib>Tarantola, Arnaud</creatorcontrib><creatorcontrib>Sorn, San</creatorcontrib><creatorcontrib>Vong, Sirenda</creatorcontrib><title>Cluster randomised trial of the impact of biosecurity measures on poultry health in backyard flocks</title><title>The veterinary journal (1997)</title><addtitle>Vet J</addtitle><description>In Cambodia, most poultry are raised in backyard flocks with a low level of biosecurity, which increases the risk of spread of infectious diseases. The aim of this study was to evaluate the effectiveness of a practical biosecurity intervention based on affordable basic measures. A cluster randomised trial was conducted in 18 villages in Cambodia from November 2009 to February 2011. Generalised estimating equations were used to test the association between the intervention and mortality rates in flocks of chickens and ducks. Mortality rates in chicken flocks in intervention villages (mean 6.3%, range 3.5–13.8%, per month) were significantly higher than in control villages (mean 4.5%, range 2.0–9.7%, per month; P<0.01). Mortality rates in duck flocks in intervention villages (mean 4.1%, range 1.9–7.9%, per month) were significantly higher than in control villages (mean 2.8%, range 0.6–8.0%, per month; P<0.01). Despite good compliance among poultry owners, the biosecurity intervention implemented in this study was not associated with improvements in poultry mortality rates. These findings suggest that basic biosecurity measures may not suffice to limit the spread of infectious diseases in backyard poultry flocks in Cambodia.</description><subject>Animal Husbandry</subject><subject>Animal Husbandry - methods</subject><subject>Animals</subject><subject>Avian influenza virus</subject><subject>Backyard poultry</subject><subject>Biosecurity</subject><subject>Cambodia</subject><subject>Cambodia - epidemiology</subject><subject>Chickens</subject><subject>Cluster randomised trial</subject><subject>Communicable Disease Control</subject><subject>Communicable Disease Control - methods</subject><subject>Ducks</subject><subject>Human health and pathology</subject><subject>Infectious diseases</subject><subject>Influenza A Virus, H5N1 Subtype</subject><subject>Influenza A Virus, H5N1 Subtype - isolation & purification</subject><subject>Influenza in Birds</subject><subject>Influenza in Birds - epidemiology</subject><subject>Influenza in Birds - prevention & control</subject><subject>Influenza in Birds - transmission</subject><subject>Influenza in Birds - virology</subject><subject>Life Sciences</subject><subject>Newcastle Disease</subject><subject>Newcastle Disease - epidemiology</subject><subject>Newcastle Disease - prevention & control</subject><subject>Newcastle Disease - transmission</subject><subject>Newcastle Disease - virology</subject><subject>Newcastle disease virus</subject><subject>Newcastle disease virus - isolation & purification</subject><subject>Poultry Diseases</subject><subject>Poultry Diseases - epidemiology</subject><subject>Poultry Diseases - prevention & control</subject><subject>Poultry Diseases - transmission</subject><subject>Poultry Diseases - virology</subject><subject>Random Allocation</subject><subject>Seroepidemiologic Studies</subject><issn>1090-0233</issn><issn>1532-2971</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNp9kU1v2zAMho1ixdp1-wM9DDruYk9fdixglyLo1gEBdunOAiPRiFLZ8iQ5QP79ZKTrcSeSwMOXfMmqume0YZR1X49NPh19wykTDVUNZfSqumWt4DVXG_au5FTRmnIhbqoPKR0ppUpK_r664ZL1YsPkbWW2fkkZI4kw2TC6hJbk6MCTMJB8QOLGGUxeq70LCc0SXT6TESEtERMJE5nD4nM8kwOCzwfiJrIH83KGaMngg3lJH6vrAXzCT6_xrvr9_fF5-1Tvfv34uX3Y1UYomeuBgdjIzg69AYamh7ZFwwZswYBYDQMMA1dcAC1p33VGGuyZRQvQdsX3XVVfdA_g9RzdCPGsAzj99LDTMxSbS9SUbYQSip9Y4b9c-DmGPwumrIt_g97DhGFJmslOStXTdkX5BTUxpBRxeNNnVK-76aNen6HXZ2iqyhhamj6_6i_7Ee1by7_rF-DbBcBylZPDqJNxOBm0LqLJ2gb3P_2_V3SdAQ</recordid><startdate>201312</startdate><enddate>201312</enddate><creator>Conan, Anne</creator><creator>Goutard, Flavie Luce</creator><creator>Holl, Davun</creator><creator>Ra, Sok</creator><creator>Ponsich, Aurélia</creator><creator>Tarantola, Arnaud</creator><creator>Sorn, San</creator><creator>Vong, Sirenda</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0002-6946-7958</orcidid></search><sort><creationdate>201312</creationdate><title>Cluster randomised trial of the impact of biosecurity measures on poultry health in backyard flocks</title><author>Conan, Anne ; Goutard, Flavie Luce ; Holl, Davun ; Ra, Sok ; Ponsich, Aurélia ; Tarantola, Arnaud ; Sorn, San ; Vong, Sirenda</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c394t-f1a3746df8ca1ec8a55ec1fe5aca31016aaff2923a06aa866c4ce81dedaa56153</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Animal Husbandry</topic><topic>Animal Husbandry - methods</topic><topic>Animals</topic><topic>Avian influenza virus</topic><topic>Backyard poultry</topic><topic>Biosecurity</topic><topic>Cambodia</topic><topic>Cambodia - epidemiology</topic><topic>Chickens</topic><topic>Cluster randomised trial</topic><topic>Communicable Disease Control</topic><topic>Communicable Disease Control - methods</topic><topic>Ducks</topic><topic>Human health and pathology</topic><topic>Infectious diseases</topic><topic>Influenza A Virus, H5N1 Subtype</topic><topic>Influenza A Virus, H5N1 Subtype - isolation & purification</topic><topic>Influenza in Birds</topic><topic>Influenza in Birds - epidemiology</topic><topic>Influenza in Birds - prevention & control</topic><topic>Influenza in Birds - transmission</topic><topic>Influenza in Birds - virology</topic><topic>Life Sciences</topic><topic>Newcastle Disease</topic><topic>Newcastle Disease - epidemiology</topic><topic>Newcastle Disease - prevention & control</topic><topic>Newcastle Disease - transmission</topic><topic>Newcastle Disease - virology</topic><topic>Newcastle disease virus</topic><topic>Newcastle disease virus - isolation & purification</topic><topic>Poultry Diseases</topic><topic>Poultry Diseases - epidemiology</topic><topic>Poultry Diseases - prevention & control</topic><topic>Poultry Diseases - transmission</topic><topic>Poultry Diseases - virology</topic><topic>Random Allocation</topic><topic>Seroepidemiologic Studies</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Conan, Anne</creatorcontrib><creatorcontrib>Goutard, Flavie Luce</creatorcontrib><creatorcontrib>Holl, Davun</creatorcontrib><creatorcontrib>Ra, Sok</creatorcontrib><creatorcontrib>Ponsich, Aurélia</creatorcontrib><creatorcontrib>Tarantola, Arnaud</creatorcontrib><creatorcontrib>Sorn, San</creatorcontrib><creatorcontrib>Vong, Sirenda</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>The veterinary journal (1997)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Conan, Anne</au><au>Goutard, Flavie Luce</au><au>Holl, Davun</au><au>Ra, Sok</au><au>Ponsich, Aurélia</au><au>Tarantola, Arnaud</au><au>Sorn, San</au><au>Vong, Sirenda</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Cluster randomised trial of the impact of biosecurity measures on poultry health in backyard flocks</atitle><jtitle>The veterinary journal (1997)</jtitle><addtitle>Vet J</addtitle><date>2013-12</date><risdate>2013</risdate><volume>198</volume><issue>3</issue><spage>649</spage><epage>655</epage><pages>649-655</pages><issn>1090-0233</issn><eissn>1532-2971</eissn><abstract>In Cambodia, most poultry are raised in backyard flocks with a low level of biosecurity, which increases the risk of spread of infectious diseases. The aim of this study was to evaluate the effectiveness of a practical biosecurity intervention based on affordable basic measures. A cluster randomised trial was conducted in 18 villages in Cambodia from November 2009 to February 2011. Generalised estimating equations were used to test the association between the intervention and mortality rates in flocks of chickens and ducks. Mortality rates in chicken flocks in intervention villages (mean 6.3%, range 3.5–13.8%, per month) were significantly higher than in control villages (mean 4.5%, range 2.0–9.7%, per month; P<0.01). Mortality rates in duck flocks in intervention villages (mean 4.1%, range 1.9–7.9%, per month) were significantly higher than in control villages (mean 2.8%, range 0.6–8.0%, per month; P<0.01). Despite good compliance among poultry owners, the biosecurity intervention implemented in this study was not associated with improvements in poultry mortality rates. These findings suggest that basic biosecurity measures may not suffice to limit the spread of infectious diseases in backyard poultry flocks in Cambodia.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>24183714</pmid><doi>10.1016/j.tvjl.2013.09.010</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0002-6946-7958</orcidid></addata></record> |
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| ispartof | The veterinary journal (1997), 2013-12, Vol.198 (3), p.649-655 |
| issn | 1090-0233 1532-2971 |
| language | eng |
| recordid | cdi_hal_primary_oai_HAL_pasteur_01739392v1 |
| source | ScienceDirect Freedom Collection 2022-2024 |
| subjects | Animal Husbandry Animal Husbandry - methods Animals Avian influenza virus Backyard poultry Biosecurity Cambodia Cambodia - epidemiology Chickens Cluster randomised trial Communicable Disease Control Communicable Disease Control - methods Ducks Human health and pathology Infectious diseases Influenza A Virus, H5N1 Subtype Influenza A Virus, H5N1 Subtype - isolation & purification Influenza in Birds Influenza in Birds - epidemiology Influenza in Birds - prevention & control Influenza in Birds - transmission Influenza in Birds - virology Life Sciences Newcastle Disease Newcastle Disease - epidemiology Newcastle Disease - prevention & control Newcastle Disease - transmission Newcastle Disease - virology Newcastle disease virus Newcastle disease virus - isolation & purification Poultry Diseases Poultry Diseases - epidemiology Poultry Diseases - prevention & control Poultry Diseases - transmission Poultry Diseases - virology Random Allocation Seroepidemiologic Studies |
| title | Cluster randomised trial of the impact of biosecurity measures on poultry health in backyard flocks |
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