Factors associated with high antimicrobial use in young calves on Dutch dairy farms: A case-control study
Since 2012, the Dutch Veterinary Medicine Authority reports antimicrobial usage (AMU) in young calves (
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| Veröffentlicht in: | Journal of dairy science 2018-10, Vol.101 (10), p.9259-9265 |
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| creator | Holstege, M.M.C. de Bont-Smolenaars, A.J.G. Santman-Berends, I.M.G.A. van der Linde-Witteveen, G.M. van Schaik, G. Velthuis, A.G.J. Lam, T.J.G.M. |
| description | Since 2012, the Dutch Veterinary Medicine Authority reports antimicrobial usage (AMU) in young calves ( |
| doi_str_mv | 10.3168/jds.2017-14252 |
| format | Article |
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The AMU distribution in this age group is skewed, with a low AMU in young calves on the majority of dairy farms and a high AMU in a relatively small number of farms. This results in a notable difference between the mean and median AMU. To further reduce the mean AMU, the AMU on the high-AMU farms must be decreased. The objective of this study was to evaluate the association between both young stock management and an indication of the farmers' mindset and AMU in young calves on Dutch dairy farms with a high and low AMU in young calves. This knowledge may be helpful in decreasing AMU in young calves on high-AMU farms. We performed a case-control study in which 200 dairy farms (100 with high AMU and 100 with low AMU in young calves) participated. Case farms were defined as farms with an animal daily-defined dose at the farm level in young calves >28 in 2012 and 2013, based on the 90th percentile of the use of antimicrobials in young calves in 2012. Control farms had an animal daily-defined dose at the farm level in young calves of <0.5 in 2012 and 2013, which was determined to be low use. A questionnaire was conducted about general farm and young stock management, hygiene, housing, vaccination, and calf health. An indication of the farmers' mindset with regard to AMU and treatment of sick calves was determined by including statements (agree/disagree) in the questionnaire. In addition, routinely collected data on herd size, growth in herd size, replacement, and calf mortality were available for analysis. Dairy farmers that immediately started antimicrobial treatment in sick calves had higher odds of being in the high-AMU group than farmers who started treatment of sick calves with supportive nonantimicrobial therapy. Other variables associated with a high AMU in young calves included housing calves on partially slatted floors, a high prevalence of respiratory disease, an unfavorable Salmonella status, and not agreeing with the statement “Young stock need specific management.” Both dairy farm management and opinions of dairy producers regarding AMU, indicative of mindset, are important when distinguishing farms with high and low AMU in young calves. Although the rationale behind mindset warrants more research, likely a change in both aspects seems to be required to reduce the AMU in young calves on dairy farms.</description><identifier>ISSN: 0022-0302</identifier><identifier>EISSN: 1525-3198</identifier><identifier>DOI: 10.3168/jds.2017-14252</identifier><identifier>PMID: 30077440</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Animals ; Anti-Bacterial Agents - therapeutic use ; antimicrobial usage ; Case-Control Studies ; Cattle ; Cattle Diseases - drug therapy ; Colostrum - immunology ; Dairying - methods ; Farms ; management ; mindset ; Netherlands ; young calves</subject><ispartof>Journal of dairy science, 2018-10, Vol.101 (10), p.9259-9265</ispartof><rights>2018 American Dairy Science Association</rights><rights>Copyright © 2018 American Dairy Science Association. Published by Elsevier Inc. All rights reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c384t-9120871e090f837278a85fd24b84d9d68554862576485ad298c6914c5f06de133</citedby><cites>FETCH-LOGICAL-c384t-9120871e090f837278a85fd24b84d9d68554862576485ad298c6914c5f06de133</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.3168/jds.2017-14252$$EHTML$$P50$$Gelsevier$$Hfree_for_read</linktohtml><link.rule.ids>314,780,784,3548,27922,27923,45993</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/30077440$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Holstege, M.M.C.</creatorcontrib><creatorcontrib>de Bont-Smolenaars, A.J.G.</creatorcontrib><creatorcontrib>Santman-Berends, I.M.G.A.</creatorcontrib><creatorcontrib>van der Linde-Witteveen, G.M.</creatorcontrib><creatorcontrib>van Schaik, G.</creatorcontrib><creatorcontrib>Velthuis, A.G.J.</creatorcontrib><creatorcontrib>Lam, T.J.G.M.</creatorcontrib><title>Factors associated with high antimicrobial use in young calves on Dutch dairy farms: A case-control study</title><title>Journal of dairy science</title><addtitle>J Dairy Sci</addtitle><description>Since 2012, the Dutch Veterinary Medicine Authority reports antimicrobial usage (AMU) in young calves (<56 d) on dairy farms on an annual basis. The AMU distribution in this age group is skewed, with a low AMU in young calves on the majority of dairy farms and a high AMU in a relatively small number of farms. This results in a notable difference between the mean and median AMU. To further reduce the mean AMU, the AMU on the high-AMU farms must be decreased. The objective of this study was to evaluate the association between both young stock management and an indication of the farmers' mindset and AMU in young calves on Dutch dairy farms with a high and low AMU in young calves. This knowledge may be helpful in decreasing AMU in young calves on high-AMU farms. We performed a case-control study in which 200 dairy farms (100 with high AMU and 100 with low AMU in young calves) participated. Case farms were defined as farms with an animal daily-defined dose at the farm level in young calves >28 in 2012 and 2013, based on the 90th percentile of the use of antimicrobials in young calves in 2012. Control farms had an animal daily-defined dose at the farm level in young calves of <0.5 in 2012 and 2013, which was determined to be low use. A questionnaire was conducted about general farm and young stock management, hygiene, housing, vaccination, and calf health. An indication of the farmers' mindset with regard to AMU and treatment of sick calves was determined by including statements (agree/disagree) in the questionnaire. In addition, routinely collected data on herd size, growth in herd size, replacement, and calf mortality were available for analysis. Dairy farmers that immediately started antimicrobial treatment in sick calves had higher odds of being in the high-AMU group than farmers who started treatment of sick calves with supportive nonantimicrobial therapy. Other variables associated with a high AMU in young calves included housing calves on partially slatted floors, a high prevalence of respiratory disease, an unfavorable Salmonella status, and not agreeing with the statement “Young stock need specific management.” Both dairy farm management and opinions of dairy producers regarding AMU, indicative of mindset, are important when distinguishing farms with high and low AMU in young calves. Although the rationale behind mindset warrants more research, likely a change in both aspects seems to be required to reduce the AMU in young calves on dairy farms.</description><subject>Animals</subject><subject>Anti-Bacterial Agents - therapeutic use</subject><subject>antimicrobial usage</subject><subject>Case-Control Studies</subject><subject>Cattle</subject><subject>Cattle Diseases - drug therapy</subject><subject>Colostrum - immunology</subject><subject>Dairying - methods</subject><subject>Farms</subject><subject>management</subject><subject>mindset</subject><subject>Netherlands</subject><subject>young calves</subject><issn>0022-0302</issn><issn>1525-3198</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kE1P3DAQQK0KVLbQa4_Ix16y9WficEN8tJWQeoGz5bUnrFESg8eh2n-P6UJvnCzLb548j5BvnK0lb82Ph4BrwXjXcCW0-ERWXAvdSN6bA7JiTIiGSSaOyBfEh3rlgunP5Egy1nVKsRWJ186XlJE6xOSjKxDo31i2dBvvt9TNJU7R57SJbqQLAo0z3aVlvqfejc-ANM30cil-S4OLeUcHlyc8o-f1GaHxaS45jRTLEnYn5HBwI8LXt_OY3F1f3V78am7-_Px9cX7TeGlUafr6RdNxYD0bjOxEZ5zRQxBqY1ToQ2u0VqYVumuV0S6I3vi258rrgbUBuJTH5Pve-5jT0wJY7BTRwzi6GdKCtuqVVLJqKrreo3VDxAyDfcxxcnlnObOveW3Na1_z2n9568Dpm3vZTBD-4-89K2D2ANQNnyNkiz7C7CHEDL7YkOJH7heVfYfJ</recordid><startdate>201810</startdate><enddate>201810</enddate><creator>Holstege, M.M.C.</creator><creator>de Bont-Smolenaars, A.J.G.</creator><creator>Santman-Berends, I.M.G.A.</creator><creator>van der Linde-Witteveen, G.M.</creator><creator>van Schaik, G.</creator><creator>Velthuis, A.G.J.</creator><creator>Lam, T.J.G.M.</creator><general>Elsevier Inc</general><scope>6I.</scope><scope>AAFTH</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>7X8</scope></search><sort><creationdate>201810</creationdate><title>Factors associated with high antimicrobial use in young calves on Dutch dairy farms: A case-control study</title><author>Holstege, M.M.C. ; de Bont-Smolenaars, A.J.G. ; Santman-Berends, I.M.G.A. ; van der Linde-Witteveen, G.M. ; van Schaik, G. ; Velthuis, A.G.J. ; Lam, T.J.G.M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c384t-9120871e090f837278a85fd24b84d9d68554862576485ad298c6914c5f06de133</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Animals</topic><topic>Anti-Bacterial Agents - therapeutic use</topic><topic>antimicrobial usage</topic><topic>Case-Control Studies</topic><topic>Cattle</topic><topic>Cattle Diseases - drug therapy</topic><topic>Colostrum - immunology</topic><topic>Dairying - methods</topic><topic>Farms</topic><topic>management</topic><topic>mindset</topic><topic>Netherlands</topic><topic>young calves</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Holstege, M.M.C.</creatorcontrib><creatorcontrib>de Bont-Smolenaars, A.J.G.</creatorcontrib><creatorcontrib>Santman-Berends, I.M.G.A.</creatorcontrib><creatorcontrib>van der Linde-Witteveen, G.M.</creatorcontrib><creatorcontrib>van Schaik, G.</creatorcontrib><creatorcontrib>Velthuis, A.G.J.</creatorcontrib><creatorcontrib>Lam, T.J.G.M.</creatorcontrib><collection>ScienceDirect Open Access Titles</collection><collection>Elsevier:ScienceDirect:Open Access</collection><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><jtitle>Journal of dairy science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Holstege, M.M.C.</au><au>de Bont-Smolenaars, A.J.G.</au><au>Santman-Berends, I.M.G.A.</au><au>van der Linde-Witteveen, G.M.</au><au>van Schaik, G.</au><au>Velthuis, A.G.J.</au><au>Lam, T.J.G.M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Factors associated with high antimicrobial use in young calves on Dutch dairy farms: A case-control study</atitle><jtitle>Journal of dairy science</jtitle><addtitle>J Dairy Sci</addtitle><date>2018-10</date><risdate>2018</risdate><volume>101</volume><issue>10</issue><spage>9259</spage><epage>9265</epage><pages>9259-9265</pages><issn>0022-0302</issn><eissn>1525-3198</eissn><abstract>Since 2012, the Dutch Veterinary Medicine Authority reports antimicrobial usage (AMU) in young calves (<56 d) on dairy farms on an annual basis. The AMU distribution in this age group is skewed, with a low AMU in young calves on the majority of dairy farms and a high AMU in a relatively small number of farms. This results in a notable difference between the mean and median AMU. To further reduce the mean AMU, the AMU on the high-AMU farms must be decreased. The objective of this study was to evaluate the association between both young stock management and an indication of the farmers' mindset and AMU in young calves on Dutch dairy farms with a high and low AMU in young calves. This knowledge may be helpful in decreasing AMU in young calves on high-AMU farms. We performed a case-control study in which 200 dairy farms (100 with high AMU and 100 with low AMU in young calves) participated. Case farms were defined as farms with an animal daily-defined dose at the farm level in young calves >28 in 2012 and 2013, based on the 90th percentile of the use of antimicrobials in young calves in 2012. Control farms had an animal daily-defined dose at the farm level in young calves of <0.5 in 2012 and 2013, which was determined to be low use. A questionnaire was conducted about general farm and young stock management, hygiene, housing, vaccination, and calf health. An indication of the farmers' mindset with regard to AMU and treatment of sick calves was determined by including statements (agree/disagree) in the questionnaire. In addition, routinely collected data on herd size, growth in herd size, replacement, and calf mortality were available for analysis. Dairy farmers that immediately started antimicrobial treatment in sick calves had higher odds of being in the high-AMU group than farmers who started treatment of sick calves with supportive nonantimicrobial therapy. Other variables associated with a high AMU in young calves included housing calves on partially slatted floors, a high prevalence of respiratory disease, an unfavorable Salmonella status, and not agreeing with the statement “Young stock need specific management.” Both dairy farm management and opinions of dairy producers regarding AMU, indicative of mindset, are important when distinguishing farms with high and low AMU in young calves. Although the rationale behind mindset warrants more research, likely a change in both aspects seems to be required to reduce the AMU in young calves on dairy farms.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>30077440</pmid><doi>10.3168/jds.2017-14252</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| source | MEDLINE; ScienceDirect Journals (5 years ago - present); EZB-FREE-00999 freely available EZB journals |
| subjects | Animals Anti-Bacterial Agents - therapeutic use antimicrobial usage Case-Control Studies Cattle Cattle Diseases - drug therapy Colostrum - immunology Dairying - methods Farms management mindset Netherlands young calves |
| title | Factors associated with high antimicrobial use in young calves on Dutch dairy farms: A case-control study |
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