Prevalence and severity of anthelmintic resistance in ovine gastrointestinal nematodes in Australia (2009–2012)
OBJECTIVE: This study aimed to provide an indication of the prevalence and severity of anthelmintic resistance (AR) in the Australian sheep industry by compiling the results of faecal worm egg count reduction tests (FECRTs). METHODS: Government and private parasitology laboratories, pharmaceutical c...
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| Veröffentlicht in: | Australian veterinary journal 2014-12, Vol.92 (12), p.464-471 |
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| creator | Playford, MC Smith, AN Love, S Besier, RB Kluver, P Bailey, JN |
| description | OBJECTIVE: This study aimed to provide an indication of the prevalence and severity of anthelmintic resistance (AR) in the Australian sheep industry by compiling the results of faecal worm egg count reduction tests (FECRTs). METHODS: Government and private parasitology laboratories, pharmaceutical companies and veterinarians known to have conducted FECRTs were asked to provide results that conformed to Australian and New Zealand standard diagnostic procedures. RESULTS: Data were available from a total of 390 tests, with larval differentiation conducted in 222 cases. Pooled results from all states for the macrocyclic lactone (ML) class showed a lower prevalence of AR against combined species for moxidectin (54%) compared with abamectin (77%) and ivermectin (87%). Analysis by state revealed higher levels of ML‐resistant Teladorsagia sp. in Tasmania and Western Australia than in other states and ML‐resistant Haemonchus sp. was more frequently detected in New South Wales. CONCLUSION: This compilation of results of FECRTs conducted by Australian parasitology laboratories in 2009–12 showed widespread AR of the common sheep nematodes (Teladorsagia, Trichostrongylus and Haemonchus) to all broad‐spectrum anthelmintics, with the exception of monepantel, whether used singly or in combination. |
| doi_str_mv | 10.1111/avj.12271 |
| format | Article |
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METHODS: Government and private parasitology laboratories, pharmaceutical companies and veterinarians known to have conducted FECRTs were asked to provide results that conformed to Australian and New Zealand standard diagnostic procedures. RESULTS: Data were available from a total of 390 tests, with larval differentiation conducted in 222 cases. Pooled results from all states for the macrocyclic lactone (ML) class showed a lower prevalence of AR against combined species for moxidectin (54%) compared with abamectin (77%) and ivermectin (87%). Analysis by state revealed higher levels of ML‐resistant Teladorsagia sp. in Tasmania and Western Australia than in other states and ML‐resistant Haemonchus sp. was more frequently detected in New South Wales. CONCLUSION: This compilation of results of FECRTs conducted by Australian parasitology laboratories in 2009–12 showed widespread AR of the common sheep nematodes (Teladorsagia, Trichostrongylus and Haemonchus) to all broad‐spectrum anthelmintics, with the exception of monepantel, whether used singly or in combination.</description><identifier>ISSN: 0005-0423</identifier><identifier>EISSN: 1751-0813</identifier><identifier>DOI: 10.1111/avj.12271</identifier><identifier>PMID: 25424758</identifier><language>eng</language><publisher>England: Australian Veterinary Association</publisher><subject>abamectin ; Animals ; anthelmintic resistance ; Anthelmintics - pharmacology ; Australia - epidemiology ; Drug Resistance ; eggs ; faecal egg count reduction test ; Feces - parasitology ; Gastrointestinal Diseases - parasitology ; Gastrointestinal Diseases - veterinary ; gastrointestinal nematodes ; Haemonchus ; ivermectin ; Laboratories ; larvae ; moxidectin ; nematode control ; Nematode Infections - drug therapy ; Nematode Infections - epidemiology ; Nematode Infections - veterinary ; Parasite Egg Count - veterinary ; Parasitology ; pharmaceutical industry ; Prevalence ; Sheep ; Sheep Diseases - drug therapy ; Sheep Diseases - epidemiology ; Sheep Diseases - parasitology ; Teladorsagia ; Trichostrongyloidea - drug effects ; Trichostrongyloidiasis - drug therapy ; Trichostrongyloidiasis - epidemiology ; Trichostrongyloidiasis - veterinary ; Trichostrongylus ; veterinarians</subject><ispartof>Australian veterinary journal, 2014-12, Vol.92 (12), p.464-471</ispartof><rights>2014 Australian Veterinary Association</rights><rights>2014 Australian Veterinary Association.</rights><rights>Copyright © 2014 Australian Veterinary Association</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4811-e76e77ec457b3329d8564835adbff8659eaf472b4d188989ce0462c9676ae82f3</citedby><cites>FETCH-LOGICAL-c4811-e76e77ec457b3329d8564835adbff8659eaf472b4d188989ce0462c9676ae82f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Favj.12271$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Favj.12271$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1416,27922,27923,45572,45573</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/25424758$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Playford, MC</creatorcontrib><creatorcontrib>Smith, AN</creatorcontrib><creatorcontrib>Love, S</creatorcontrib><creatorcontrib>Besier, RB</creatorcontrib><creatorcontrib>Kluver, P</creatorcontrib><creatorcontrib>Bailey, JN</creatorcontrib><title>Prevalence and severity of anthelmintic resistance in ovine gastrointestinal nematodes in Australia (2009–2012)</title><title>Australian veterinary journal</title><addtitle>Aust Vet J</addtitle><description>OBJECTIVE: This study aimed to provide an indication of the prevalence and severity of anthelmintic resistance (AR) in the Australian sheep industry by compiling the results of faecal worm egg count reduction tests (FECRTs). METHODS: Government and private parasitology laboratories, pharmaceutical companies and veterinarians known to have conducted FECRTs were asked to provide results that conformed to Australian and New Zealand standard diagnostic procedures. RESULTS: Data were available from a total of 390 tests, with larval differentiation conducted in 222 cases. Pooled results from all states for the macrocyclic lactone (ML) class showed a lower prevalence of AR against combined species for moxidectin (54%) compared with abamectin (77%) and ivermectin (87%). Analysis by state revealed higher levels of ML‐resistant Teladorsagia sp. in Tasmania and Western Australia than in other states and ML‐resistant Haemonchus sp. was more frequently detected in New South Wales. CONCLUSION: This compilation of results of FECRTs conducted by Australian parasitology laboratories in 2009–12 showed widespread AR of the common sheep nematodes (Teladorsagia, Trichostrongylus and Haemonchus) to all broad‐spectrum anthelmintics, with the exception of monepantel, whether used singly or in combination.</description><subject>abamectin</subject><subject>Animals</subject><subject>anthelmintic resistance</subject><subject>Anthelmintics - pharmacology</subject><subject>Australia - epidemiology</subject><subject>Drug Resistance</subject><subject>eggs</subject><subject>faecal egg count reduction test</subject><subject>Feces - parasitology</subject><subject>Gastrointestinal Diseases - parasitology</subject><subject>Gastrointestinal Diseases - veterinary</subject><subject>gastrointestinal nematodes</subject><subject>Haemonchus</subject><subject>ivermectin</subject><subject>Laboratories</subject><subject>larvae</subject><subject>moxidectin</subject><subject>nematode control</subject><subject>Nematode Infections - drug therapy</subject><subject>Nematode Infections - epidemiology</subject><subject>Nematode Infections - veterinary</subject><subject>Parasite Egg Count - veterinary</subject><subject>Parasitology</subject><subject>pharmaceutical industry</subject><subject>Prevalence</subject><subject>Sheep</subject><subject>Sheep Diseases - drug therapy</subject><subject>Sheep Diseases - epidemiology</subject><subject>Sheep Diseases - parasitology</subject><subject>Teladorsagia</subject><subject>Trichostrongyloidea - drug effects</subject><subject>Trichostrongyloidiasis - drug therapy</subject><subject>Trichostrongyloidiasis - epidemiology</subject><subject>Trichostrongyloidiasis - veterinary</subject><subject>Trichostrongylus</subject><subject>veterinarians</subject><issn>0005-0423</issn><issn>1751-0813</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1ks9u1DAQhy0EokvhwAtAJC7tIa3txP-Oq4UWUAWotPRozSaT4iWJWzvZsjfegTfkSfA2bQ9I-GJZ881PY38m5CWjByytQ1ivDhjnij0iM6YEy6lmxWMyo5SKnJa82CHPYlxRWijBxVOyw0XJSyX0jFx_CbiGFvsKM-jrLOIagxs2mW_SefiObef6wVVZwOjiAFvO9Zlfux6zS4hD8KmOcXA9tFmPHQy-xrhl5mOqQusg2-OUmj-_fnPK-P5z8qSBNuKLu32XnB-9O1u8z08-H39YzE_yqtSM5agkKoVVKdSyKLiptZClLgTUy6bRUhiEplR8WdZMa6NNhbSUvDJSSUDNm2KX7E25V8Ffj2lC27lYYdtCj36MlkmuBZdS6oS--Qdd-TGkC91SSjPNhEnU_kRVwccYsLFXwXUQNpZRu_Vgkwd76yGxr-4Sx2WH9QN5__AJOJyAG9fi5v9Jdv7t431kPnUkDfjzoQPCDytVEmsvPh3bt6enF0KeLewi8a8nvgFv4TK4aM-_JgMi_QrDuZHFX2L7qcA</recordid><startdate>201412</startdate><enddate>201412</enddate><creator>Playford, MC</creator><creator>Smith, AN</creator><creator>Love, S</creator><creator>Besier, RB</creator><creator>Kluver, P</creator><creator>Bailey, JN</creator><general>Australian Veterinary Association</general><general>Blackwell Publishing Ltd</general><general>Wiley Subscription Services, Inc</general><scope>FBQ</scope><scope>BSCLL</scope><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>7QP</scope><scope>7T5</scope><scope>7TK</scope><scope>H94</scope><scope>K9.</scope><scope>7X8</scope></search><sort><creationdate>201412</creationdate><title>Prevalence and severity of anthelmintic resistance in ovine gastrointestinal nematodes in Australia (2009–2012)</title><author>Playford, MC ; Smith, AN ; Love, S ; Besier, RB ; Kluver, P ; Bailey, JN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4811-e76e77ec457b3329d8564835adbff8659eaf472b4d188989ce0462c9676ae82f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>abamectin</topic><topic>Animals</topic><topic>anthelmintic resistance</topic><topic>Anthelmintics - pharmacology</topic><topic>Australia - epidemiology</topic><topic>Drug Resistance</topic><topic>eggs</topic><topic>faecal egg count reduction test</topic><topic>Feces - parasitology</topic><topic>Gastrointestinal Diseases - parasitology</topic><topic>Gastrointestinal Diseases - veterinary</topic><topic>gastrointestinal nematodes</topic><topic>Haemonchus</topic><topic>ivermectin</topic><topic>Laboratories</topic><topic>larvae</topic><topic>moxidectin</topic><topic>nematode control</topic><topic>Nematode Infections - drug therapy</topic><topic>Nematode Infections - epidemiology</topic><topic>Nematode Infections - veterinary</topic><topic>Parasite Egg Count - veterinary</topic><topic>Parasitology</topic><topic>pharmaceutical industry</topic><topic>Prevalence</topic><topic>Sheep</topic><topic>Sheep Diseases - drug therapy</topic><topic>Sheep Diseases - epidemiology</topic><topic>Sheep Diseases - parasitology</topic><topic>Teladorsagia</topic><topic>Trichostrongyloidea - drug effects</topic><topic>Trichostrongyloidiasis - drug therapy</topic><topic>Trichostrongyloidiasis - epidemiology</topic><topic>Trichostrongyloidiasis - veterinary</topic><topic>Trichostrongylus</topic><topic>veterinarians</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Playford, MC</creatorcontrib><creatorcontrib>Smith, AN</creatorcontrib><creatorcontrib>Love, S</creatorcontrib><creatorcontrib>Besier, RB</creatorcontrib><creatorcontrib>Kluver, P</creatorcontrib><creatorcontrib>Bailey, JN</creatorcontrib><collection>AGRIS</collection><collection>Istex</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Immunology Abstracts</collection><collection>Neurosciences Abstracts</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>MEDLINE - Academic</collection><jtitle>Australian veterinary journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Playford, MC</au><au>Smith, AN</au><au>Love, S</au><au>Besier, RB</au><au>Kluver, P</au><au>Bailey, JN</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Prevalence and severity of anthelmintic resistance in ovine gastrointestinal nematodes in Australia (2009–2012)</atitle><jtitle>Australian veterinary journal</jtitle><addtitle>Aust Vet J</addtitle><date>2014-12</date><risdate>2014</risdate><volume>92</volume><issue>12</issue><spage>464</spage><epage>471</epage><pages>464-471</pages><issn>0005-0423</issn><eissn>1751-0813</eissn><abstract>OBJECTIVE: This study aimed to provide an indication of the prevalence and severity of anthelmintic resistance (AR) in the Australian sheep industry by compiling the results of faecal worm egg count reduction tests (FECRTs). METHODS: Government and private parasitology laboratories, pharmaceutical companies and veterinarians known to have conducted FECRTs were asked to provide results that conformed to Australian and New Zealand standard diagnostic procedures. RESULTS: Data were available from a total of 390 tests, with larval differentiation conducted in 222 cases. Pooled results from all states for the macrocyclic lactone (ML) class showed a lower prevalence of AR against combined species for moxidectin (54%) compared with abamectin (77%) and ivermectin (87%). Analysis by state revealed higher levels of ML‐resistant Teladorsagia sp. in Tasmania and Western Australia than in other states and ML‐resistant Haemonchus sp. was more frequently detected in New South Wales. CONCLUSION: This compilation of results of FECRTs conducted by Australian parasitology laboratories in 2009–12 showed widespread AR of the common sheep nematodes (Teladorsagia, Trichostrongylus and Haemonchus) to all broad‐spectrum anthelmintics, with the exception of monepantel, whether used singly or in combination.</abstract><cop>England</cop><pub>Australian Veterinary Association</pub><pmid>25424758</pmid><doi>10.1111/avj.12271</doi><tpages>8</tpages></addata></record> |
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| ispartof | Australian veterinary journal, 2014-12, Vol.92 (12), p.464-471 |
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| subjects | abamectin Animals anthelmintic resistance Anthelmintics - pharmacology Australia - epidemiology Drug Resistance eggs faecal egg count reduction test Feces - parasitology Gastrointestinal Diseases - parasitology Gastrointestinal Diseases - veterinary gastrointestinal nematodes Haemonchus ivermectin Laboratories larvae moxidectin nematode control Nematode Infections - drug therapy Nematode Infections - epidemiology Nematode Infections - veterinary Parasite Egg Count - veterinary Parasitology pharmaceutical industry Prevalence Sheep Sheep Diseases - drug therapy Sheep Diseases - epidemiology Sheep Diseases - parasitology Teladorsagia Trichostrongyloidea - drug effects Trichostrongyloidiasis - drug therapy Trichostrongyloidiasis - epidemiology Trichostrongyloidiasis - veterinary Trichostrongylus veterinarians |
| title | Prevalence and severity of anthelmintic resistance in ovine gastrointestinal nematodes in Australia (2009–2012) |
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