Physiological and pathological thresholds of somatic cell counts in ewe milk
In four flocks, 215 dairy ewes were monthly sampled, throughout lactation, in order to study the relationship between subclinical intramammary infections (IMI) and milk individual SCC (iSCC). A decision rule proposes to consider an udder as healthy (specificity = 75%) if every iSCC are lower than 0....
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| Veröffentlicht in: | Small ruminant research 2006-03, Vol.62 (1), p.27-31 |
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| container_title | Small ruminant research |
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| creator | Berthelot, X. Lagriffoul, G. Concordet, D. Barillet, F. Bergonier, D. |
| description | In four flocks, 215 dairy ewes were monthly sampled, throughout lactation, in order to study the relationship between subclinical intramammary infections (IMI) and milk individual SCC (iSCC). A decision rule proposes to consider an udder as healthy (specificity
=
75%) if every iSCC are lower than 0.500
×
10
6
cells/ml and infected (sensitivity
=
82%) if at least two iSCC are higher than 1 or 1.2
million cells/ml. At a flock level (annual geometric mean of bulk SCC), this rule allows the estimation of the prevalence of subclinical IMI: an annual bulk SCC of 0.650
×
10
6
cells/ml corresponds to a prevalence of 15%. These results are discussed. |
| doi_str_mv | 10.1016/j.smallrumres.2005.07.047 |
| format | Article |
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=
75%) if every iSCC are lower than 0.500
×
10
6
cells/ml and infected (sensitivity
=
82%) if at least two iSCC are higher than 1 or 1.2
million cells/ml. At a flock level (annual geometric mean of bulk SCC), this rule allows the estimation of the prevalence of subclinical IMI: an annual bulk SCC of 0.650
×
10
6
cells/ml corresponds to a prevalence of 15%. These results are discussed.</description><identifier>ISSN: 0921-4488</identifier><identifier>EISSN: 1879-0941</identifier><identifier>DOI: 10.1016/j.smallrumres.2005.07.047</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>dairy animals ; Dairy ewe ; decision making ; disease diagnosis ; disease prevalence ; ewe milk ; ewes ; lactation ; Life Sciences ; mammary gland diseases ; Milk ; sheep diseases ; somatic cell count ; Somatic cell counts ; subclinical infections ; Subclinical mastitis ; udders</subject><ispartof>Small ruminant research, 2006-03, Vol.62 (1), p.27-31</ispartof><rights>2005 Elsevier B.V.</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c379t-3c0d32076b726320fdc9b999ab752bf6283ff325b664dce0aaa29bede980d3353</citedby><cites>FETCH-LOGICAL-c379t-3c0d32076b726320fdc9b999ab752bf6283ff325b664dce0aaa29bede980d3353</cites><orcidid>0000-0003-3916-577X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.smallrumres.2005.07.047$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,780,784,885,3548,27923,27924,45994</link.rule.ids><backlink>$$Uhttps://hal.inrae.fr/hal-02664318$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Berthelot, X.</creatorcontrib><creatorcontrib>Lagriffoul, G.</creatorcontrib><creatorcontrib>Concordet, D.</creatorcontrib><creatorcontrib>Barillet, F.</creatorcontrib><creatorcontrib>Bergonier, D.</creatorcontrib><title>Physiological and pathological thresholds of somatic cell counts in ewe milk</title><title>Small ruminant research</title><description>In four flocks, 215 dairy ewes were monthly sampled, throughout lactation, in order to study the relationship between subclinical intramammary infections (IMI) and milk individual SCC (iSCC). A decision rule proposes to consider an udder as healthy (specificity
=
75%) if every iSCC are lower than 0.500
×
10
6
cells/ml and infected (sensitivity
=
82%) if at least two iSCC are higher than 1 or 1.2
million cells/ml. At a flock level (annual geometric mean of bulk SCC), this rule allows the estimation of the prevalence of subclinical IMI: an annual bulk SCC of 0.650
×
10
6
cells/ml corresponds to a prevalence of 15%. These results are discussed.</description><subject>dairy animals</subject><subject>Dairy ewe</subject><subject>decision making</subject><subject>disease diagnosis</subject><subject>disease prevalence</subject><subject>ewe milk</subject><subject>ewes</subject><subject>lactation</subject><subject>Life Sciences</subject><subject>mammary gland diseases</subject><subject>Milk</subject><subject>sheep diseases</subject><subject>somatic cell count</subject><subject>Somatic cell counts</subject><subject>subclinical infections</subject><subject>Subclinical mastitis</subject><subject>udders</subject><issn>0921-4488</issn><issn>1879-0941</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNqNkEFLAzEQhYMoWKu_wXj0sOsk2d1sjqWoFQoK2nPIZrNtarYpybbSf29KRTx6mpnH-2aYh9AdgZwAqR7WeeyVc2HXBxNzClDmwHMo-BkakZqLDERBztEIBCVZUdT1JbqKcQ0AvIByhOZvq0O03vml1cphtWnxVg2rX2FYpb1pbCP2HY6-V4PVWBvnsPa7zRCx3WDzZXBv3ec1uuiUi-bmp47R4unxYzrL5q_PL9PJPNOMiyFjGlpGgVcNp1VqulaLRgihGl7SpqtozbqO0bKpqqLVBpRSVDSmNaJOICvZGN2f9q6Uk9tgexUO0isrZ5O5PGpAE8pIvSfJK05eHXyMwXS_AAF5jFCu5Z8I5TFCCVymCBN7e2I75aVaBhvl4p0CYUAIqUoqkmN6cpj07t6aIKO2ZqNNa4PRg2y9_cedb06Lil8</recordid><startdate>20060301</startdate><enddate>20060301</enddate><creator>Berthelot, X.</creator><creator>Lagriffoul, G.</creator><creator>Concordet, D.</creator><creator>Barillet, F.</creator><creator>Bergonier, D.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>FBQ</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0003-3916-577X</orcidid></search><sort><creationdate>20060301</creationdate><title>Physiological and pathological thresholds of somatic cell counts in ewe milk</title><author>Berthelot, X. ; Lagriffoul, G. ; Concordet, D. ; Barillet, F. ; Bergonier, D.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c379t-3c0d32076b726320fdc9b999ab752bf6283ff325b664dce0aaa29bede980d3353</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>dairy animals</topic><topic>Dairy ewe</topic><topic>decision making</topic><topic>disease diagnosis</topic><topic>disease prevalence</topic><topic>ewe milk</topic><topic>ewes</topic><topic>lactation</topic><topic>Life Sciences</topic><topic>mammary gland diseases</topic><topic>Milk</topic><topic>sheep diseases</topic><topic>somatic cell count</topic><topic>Somatic cell counts</topic><topic>subclinical infections</topic><topic>Subclinical mastitis</topic><topic>udders</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Berthelot, X.</creatorcontrib><creatorcontrib>Lagriffoul, G.</creatorcontrib><creatorcontrib>Concordet, D.</creatorcontrib><creatorcontrib>Barillet, F.</creatorcontrib><creatorcontrib>Bergonier, D.</creatorcontrib><collection>AGRIS</collection><collection>CrossRef</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Small ruminant research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Berthelot, X.</au><au>Lagriffoul, G.</au><au>Concordet, D.</au><au>Barillet, F.</au><au>Bergonier, D.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Physiological and pathological thresholds of somatic cell counts in ewe milk</atitle><jtitle>Small ruminant research</jtitle><date>2006-03-01</date><risdate>2006</risdate><volume>62</volume><issue>1</issue><spage>27</spage><epage>31</epage><pages>27-31</pages><issn>0921-4488</issn><eissn>1879-0941</eissn><abstract>In four flocks, 215 dairy ewes were monthly sampled, throughout lactation, in order to study the relationship between subclinical intramammary infections (IMI) and milk individual SCC (iSCC). A decision rule proposes to consider an udder as healthy (specificity
=
75%) if every iSCC are lower than 0.500
×
10
6
cells/ml and infected (sensitivity
=
82%) if at least two iSCC are higher than 1 or 1.2
million cells/ml. At a flock level (annual geometric mean of bulk SCC), this rule allows the estimation of the prevalence of subclinical IMI: an annual bulk SCC of 0.650
×
10
6
cells/ml corresponds to a prevalence of 15%. These results are discussed.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.smallrumres.2005.07.047</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0003-3916-577X</orcidid></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0921-4488 |
| ispartof | Small ruminant research, 2006-03, Vol.62 (1), p.27-31 |
| issn | 0921-4488 1879-0941 |
| language | eng |
| recordid | cdi_hal_primary_oai_HAL_hal_02664318v1 |
| source | ScienceDirect Journals (5 years ago - present) |
| subjects | dairy animals Dairy ewe decision making disease diagnosis disease prevalence ewe milk ewes lactation Life Sciences mammary gland diseases Milk sheep diseases somatic cell count Somatic cell counts subclinical infections Subclinical mastitis udders |
| title | Physiological and pathological thresholds of somatic cell counts in ewe milk |
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