Changes in Milk Composition as Affected by Subclinical Mastitis in Goats
The mechanism of the effects of subclinical mastitis (SM) at the glandular level in dairy goats on milk yield and its composition as expressed in curd yield (Yc) was studied. Twenty-five Israeli goats of various crossbreeds were chosen; one udder half was naturally infected with identified coagulase...
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| Veröffentlicht in: | Journal of dairy science 2004-06, Vol.87 (6), p.1719-1726 |
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| creator | Leitner, G Merin, U Silanikove, N |
| description | The mechanism of the effects of subclinical mastitis (SM) at the glandular level in dairy goats on milk yield and its composition as expressed in curd yield (Yc) was studied. Twenty-five Israeli goats of various crossbreeds were chosen; one udder half was naturally infected with identified coagulase-negative staphylococci, and the contralateral gland was free of bacteria.
The milk yield of the infected halves was significantly lower than that of the uninfected ones. Somatic cell count and N-acetyl-β-d-glucosaminidase activity were significantly higher in the infected halves. The lactose concentration in the infected glands was significantly lower than that in the uninfected ones, casein concentrations did not differ, and the whey protein and albumin concentrations were significantly higher in the infected glands.
Plasmin activity was significantly higher in the infected glands, whereas plasminogen activity was undetectable. Concentrations of Ca2+ did not differ, whereas Ca2+ activity was significantly lower in the infected glands. The proteose peptone concentration was 1.5 times as great in the infected glands as in the uninfected ones. The Yc was significantly lower in the infected halves, and clotting time was significantly longer.
The mechanisms of the effects of SM on milk yield and Yc in goats and sheep are discussed and compared. |
| doi_str_mv | 10.3168/jds.s0022-0302(04)73325-1 |
| format | Article |
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The milk yield of the infected halves was significantly lower than that of the uninfected ones. Somatic cell count and N-acetyl-β-d-glucosaminidase activity were significantly higher in the infected halves. The lactose concentration in the infected glands was significantly lower than that in the uninfected ones, casein concentrations did not differ, and the whey protein and albumin concentrations were significantly higher in the infected glands.
Plasmin activity was significantly higher in the infected glands, whereas plasminogen activity was undetectable. Concentrations of Ca2+ did not differ, whereas Ca2+ activity was significantly lower in the infected glands. The proteose peptone concentration was 1.5 times as great in the infected glands as in the uninfected ones. The Yc was significantly lower in the infected halves, and clotting time was significantly longer.
The mechanisms of the effects of SM on milk yield and Yc in goats and sheep are discussed and compared.</description><identifier>ISSN: 0022-0302</identifier><identifier>EISSN: 1525-3198</identifier><identifier>DOI: 10.3168/jds.s0022-0302(04)73325-1</identifier><identifier>PMID: 15453484</identifier><identifier>CODEN: JDSCAE</identifier><language>eng</language><publisher>Savoy, IL: Elsevier Inc</publisher><subject>Acetylglucosaminidase - metabolism ; Albumins - analysis ; Animal productions ; Animals ; beta-N-acetylhexosaminidase ; Biological and medical sciences ; calcium ; Calcium - analysis ; Caseins - analysis ; Cell Count - veterinary ; clotting time ; coagulase negative staphylococci ; curd yield ; dairy animals ; disease severity ; enzyme activity ; ewes ; Female ; Fibrinolysin - analysis ; Food industries ; Fundamental and applied biological sciences. Psychology ; goat ; Goat Diseases - metabolism ; Goat Diseases - physiopathology ; goat milk ; Goats ; Lactation - physiology ; lactose ; Lactose - metabolism ; mastitis ; Mastitis - metabolism ; Mastitis - physiopathology ; Mastitis - veterinary ; Milk - chemistry ; Milk - secretion ; Milk and cheese industries. Ice creams ; milk clotting ; milk composition ; milk curds ; milk fat percentage ; milk protein percentage ; Milk Proteins - analysis ; milk yield ; plasmin ; plasminogen activator ; Plasminogen Activators ; serum albumin ; somatic cell count ; Staphylococcal Infections - metabolism ; Staphylococcal Infections - physiopathology ; Staphylococcal Infections - veterinary ; Staphylococcus - isolation & purification ; subclinical mastitis ; Terrestrial animal productions ; Time Factors ; Vertebrates ; whey ; Whey Proteins</subject><ispartof>Journal of dairy science, 2004-06, Vol.87 (6), p.1719-1726</ispartof><rights>2004 American Dairy Science Association</rights><rights>2004 INIST-CNRS</rights><rights>Copyright American Dairy Science Association Jun 2004</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c602t-a0ffea90813d38f02cde75cdab42581db2dceab5f5f7ea7c7e594d3ac1a394d13</citedby><cites>FETCH-LOGICAL-c602t-a0ffea90813d38f02cde75cdab42581db2dceab5f5f7ea7c7e594d3ac1a394d13</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.3168/jds.S0022-0302(04)73325-1$$EHTML$$P50$$Gelsevier$$Hfree_for_read</linktohtml><link.rule.ids>314,780,784,3548,27923,27924,45994</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=15884494$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/15453484$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Leitner, G</creatorcontrib><creatorcontrib>Merin, U</creatorcontrib><creatorcontrib>Silanikove, N</creatorcontrib><title>Changes in Milk Composition as Affected by Subclinical Mastitis in Goats</title><title>Journal of dairy science</title><addtitle>J Dairy Sci</addtitle><description>The mechanism of the effects of subclinical mastitis (SM) at the glandular level in dairy goats on milk yield and its composition as expressed in curd yield (Yc) was studied. Twenty-five Israeli goats of various crossbreeds were chosen; one udder half was naturally infected with identified coagulase-negative staphylococci, and the contralateral gland was free of bacteria.
The milk yield of the infected halves was significantly lower than that of the uninfected ones. Somatic cell count and N-acetyl-β-d-glucosaminidase activity were significantly higher in the infected halves. The lactose concentration in the infected glands was significantly lower than that in the uninfected ones, casein concentrations did not differ, and the whey protein and albumin concentrations were significantly higher in the infected glands.
Plasmin activity was significantly higher in the infected glands, whereas plasminogen activity was undetectable. Concentrations of Ca2+ did not differ, whereas Ca2+ activity was significantly lower in the infected glands. The proteose peptone concentration was 1.5 times as great in the infected glands as in the uninfected ones. The Yc was significantly lower in the infected halves, and clotting time was significantly longer.
The mechanisms of the effects of SM on milk yield and Yc in goats and sheep are discussed and compared.</description><subject>Acetylglucosaminidase - metabolism</subject><subject>Albumins - analysis</subject><subject>Animal productions</subject><subject>Animals</subject><subject>beta-N-acetylhexosaminidase</subject><subject>Biological and medical sciences</subject><subject>calcium</subject><subject>Calcium - analysis</subject><subject>Caseins - analysis</subject><subject>Cell Count - veterinary</subject><subject>clotting time</subject><subject>coagulase negative staphylococci</subject><subject>curd yield</subject><subject>dairy animals</subject><subject>disease severity</subject><subject>enzyme activity</subject><subject>ewes</subject><subject>Female</subject><subject>Fibrinolysin - analysis</subject><subject>Food industries</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>goat</subject><subject>Goat Diseases - metabolism</subject><subject>Goat Diseases - physiopathology</subject><subject>goat milk</subject><subject>Goats</subject><subject>Lactation - physiology</subject><subject>lactose</subject><subject>Lactose - metabolism</subject><subject>mastitis</subject><subject>Mastitis - metabolism</subject><subject>Mastitis - physiopathology</subject><subject>Mastitis - veterinary</subject><subject>Milk - chemistry</subject><subject>Milk - secretion</subject><subject>Milk and cheese industries. Ice creams</subject><subject>milk clotting</subject><subject>milk composition</subject><subject>milk curds</subject><subject>milk fat percentage</subject><subject>milk protein percentage</subject><subject>Milk Proteins - analysis</subject><subject>milk yield</subject><subject>plasmin</subject><subject>plasminogen activator</subject><subject>Plasminogen Activators</subject><subject>serum albumin</subject><subject>somatic cell count</subject><subject>Staphylococcal Infections - metabolism</subject><subject>Staphylococcal Infections - physiopathology</subject><subject>Staphylococcal Infections - veterinary</subject><subject>Staphylococcus - isolation & purification</subject><subject>subclinical mastitis</subject><subject>Terrestrial animal productions</subject><subject>Time Factors</subject><subject>Vertebrates</subject><subject>whey</subject><subject>Whey Proteins</subject><issn>0022-0302</issn><issn>1525-3198</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNqNkU1v1DAQhi0EotvCX4CAVASHFH_m41hF0CK14rD0bE1sZ9dLEi-eBNR_j9NdUcSJk8fSM-_M-w4hbxi9EKyoPu4sXiClnOdUUP6eyg-lEFzl7AlZMZUKwerqKVn9QU7IKeIufRmn6jk5YUoqISu5ItfNFsaNw8yP2a3vv2dNGPYB_eTDmAFml13nzORs1t5n67k1vR-9gT67BZwS9NB3FWDCF-RZBz26l8f3jNx9_vStuc5vvl59aS5vclNQPuVAkyDUtGLCiqqj3FhXKmOhlVxVzLbcGget6lRXOihN6VQtrQDDQKSCiTPy7qC7j-HH7HDSg0fj-h5GF2bURVHz5K1O4Nt_wF2Y45h206xOo2ghZYLqA2RiQIyu0_voB4j3mlG9ZK1T1nq9BKmXIDWV-iFrvWzy6jhgbgdnHzuP4Sbg_AgApsy6CKPx-BdXVVLW8tHS1m-2v3x0Ggfo-yTLlvFVqQvNSrZYen0AOwgaNjGJ3a05ZYLSWqhSLURzIFw6wU_vokbj3WicTbJm0jb4_3D2G3-WtBA</recordid><startdate>20040601</startdate><enddate>20040601</enddate><creator>Leitner, G</creator><creator>Merin, U</creator><creator>Silanikove, N</creator><general>Elsevier Inc</general><general>Am Dairy Sci Assoc</general><general>American Dairy Science Association</general><scope>6I.</scope><scope>AAFTH</scope><scope>FBQ</scope><scope>IQODW</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>3V.</scope><scope>7X2</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8FE</scope><scope>8FG</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>L6V</scope><scope>M0K</scope><scope>M0S</scope><scope>M1P</scope><scope>M7S</scope><scope>PATMY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope><scope>PYCSY</scope><scope>S0X</scope><scope>7X8</scope></search><sort><creationdate>20040601</creationdate><title>Changes in Milk Composition as Affected by Subclinical Mastitis in Goats</title><author>Leitner, G ; Merin, U ; Silanikove, N</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c602t-a0ffea90813d38f02cde75cdab42581db2dceab5f5f7ea7c7e594d3ac1a394d13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>Acetylglucosaminidase - metabolism</topic><topic>Albumins - analysis</topic><topic>Animal productions</topic><topic>Animals</topic><topic>beta-N-acetylhexosaminidase</topic><topic>Biological and medical sciences</topic><topic>calcium</topic><topic>Calcium - analysis</topic><topic>Caseins - analysis</topic><topic>Cell Count - veterinary</topic><topic>clotting time</topic><topic>coagulase negative staphylococci</topic><topic>curd yield</topic><topic>dairy animals</topic><topic>disease severity</topic><topic>enzyme activity</topic><topic>ewes</topic><topic>Female</topic><topic>Fibrinolysin - analysis</topic><topic>Food industries</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>goat</topic><topic>Goat Diseases - metabolism</topic><topic>Goat Diseases - physiopathology</topic><topic>goat milk</topic><topic>Goats</topic><topic>Lactation - physiology</topic><topic>lactose</topic><topic>Lactose - metabolism</topic><topic>mastitis</topic><topic>Mastitis - metabolism</topic><topic>Mastitis - physiopathology</topic><topic>Mastitis - veterinary</topic><topic>Milk - chemistry</topic><topic>Milk - secretion</topic><topic>Milk and cheese industries. Ice creams</topic><topic>milk clotting</topic><topic>milk composition</topic><topic>milk curds</topic><topic>milk fat percentage</topic><topic>milk protein percentage</topic><topic>Milk Proteins - analysis</topic><topic>milk yield</topic><topic>plasmin</topic><topic>plasminogen activator</topic><topic>Plasminogen Activators</topic><topic>serum albumin</topic><topic>somatic cell count</topic><topic>Staphylococcal Infections - metabolism</topic><topic>Staphylococcal Infections - physiopathology</topic><topic>Staphylococcal Infections - veterinary</topic><topic>Staphylococcus - isolation & purification</topic><topic>subclinical mastitis</topic><topic>Terrestrial animal productions</topic><topic>Time Factors</topic><topic>Vertebrates</topic><topic>whey</topic><topic>Whey Proteins</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Leitner, G</creatorcontrib><creatorcontrib>Merin, U</creatorcontrib><creatorcontrib>Silanikove, N</creatorcontrib><collection>ScienceDirect Open Access Titles</collection><collection>Elsevier:ScienceDirect:Open Access</collection><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Agricultural Science Collection</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>ProQuest Engineering Collection</collection><collection>Agricultural Science Database</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Engineering Database</collection><collection>Environmental Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Engineering Collection</collection><collection>Environmental Science Collection</collection><collection>SIRS Editorial</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of dairy science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Leitner, G</au><au>Merin, U</au><au>Silanikove, N</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Changes in Milk Composition as Affected by Subclinical Mastitis in Goats</atitle><jtitle>Journal of dairy science</jtitle><addtitle>J Dairy Sci</addtitle><date>2004-06-01</date><risdate>2004</risdate><volume>87</volume><issue>6</issue><spage>1719</spage><epage>1726</epage><pages>1719-1726</pages><issn>0022-0302</issn><eissn>1525-3198</eissn><coden>JDSCAE</coden><abstract>The mechanism of the effects of subclinical mastitis (SM) at the glandular level in dairy goats on milk yield and its composition as expressed in curd yield (Yc) was studied. Twenty-five Israeli goats of various crossbreeds were chosen; one udder half was naturally infected with identified coagulase-negative staphylococci, and the contralateral gland was free of bacteria.
The milk yield of the infected halves was significantly lower than that of the uninfected ones. Somatic cell count and N-acetyl-β-d-glucosaminidase activity were significantly higher in the infected halves. The lactose concentration in the infected glands was significantly lower than that in the uninfected ones, casein concentrations did not differ, and the whey protein and albumin concentrations were significantly higher in the infected glands.
Plasmin activity was significantly higher in the infected glands, whereas plasminogen activity was undetectable. Concentrations of Ca2+ did not differ, whereas Ca2+ activity was significantly lower in the infected glands. The proteose peptone concentration was 1.5 times as great in the infected glands as in the uninfected ones. The Yc was significantly lower in the infected halves, and clotting time was significantly longer.
The mechanisms of the effects of SM on milk yield and Yc in goats and sheep are discussed and compared.</abstract><cop>Savoy, IL</cop><pub>Elsevier Inc</pub><pmid>15453484</pmid><doi>10.3168/jds.s0022-0302(04)73325-1</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Journal of dairy science, 2004-06, Vol.87 (6), p.1719-1726 |
| issn | 0022-0302 1525-3198 |
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| source | MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; ScienceDirect Journals (5 years ago - present) |
| subjects | Acetylglucosaminidase - metabolism Albumins - analysis Animal productions Animals beta-N-acetylhexosaminidase Biological and medical sciences calcium Calcium - analysis Caseins - analysis Cell Count - veterinary clotting time coagulase negative staphylococci curd yield dairy animals disease severity enzyme activity ewes Female Fibrinolysin - analysis Food industries Fundamental and applied biological sciences. Psychology goat Goat Diseases - metabolism Goat Diseases - physiopathology goat milk Goats Lactation - physiology lactose Lactose - metabolism mastitis Mastitis - metabolism Mastitis - physiopathology Mastitis - veterinary Milk - chemistry Milk - secretion Milk and cheese industries. Ice creams milk clotting milk composition milk curds milk fat percentage milk protein percentage Milk Proteins - analysis milk yield plasmin plasminogen activator Plasminogen Activators serum albumin somatic cell count Staphylococcal Infections - metabolism Staphylococcal Infections - physiopathology Staphylococcal Infections - veterinary Staphylococcus - isolation & purification subclinical mastitis Terrestrial animal productions Time Factors Vertebrates whey Whey Proteins |
| title | Changes in Milk Composition as Affected by Subclinical Mastitis in Goats |
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