%0 Journal Article %K milk production %K fat content %K protein content %K reproductive performance %K dairy cattle %B Berliner und Münchener Tierärztliche Wochenschrift %C Hannover %D 2015 %G English %I Schlütersche Verlagsgesellschaft mbH & Co. KG %P 370-375 %R 10.2376/0005-9366-128-370 %T Associations between Mycobacterium paratuberculosis sero-status, milk quality parameters, and reproduction in dairy cows %V 128 %1 {"oldId":89930,"title":"Associations between Mycobacterium paratuberculosis sero-status, milk quality parameters, and reproduction in dairy cows","topline":"","teaserText":"Assoziation zwischen dem Mycobacterium paratuberculosisSerum-Status, Milchqualit\u00e4tsparametern und der Reproduktion bei Milchvieh","content":"

Summary<\/span>
The objective of this study was to investigate the influence of Mycobacterium avium subsp. paratuberculosis (MAP) sero-status of dairy cows on different milk production variables and reproductive traits. The study was carried out on 40 herds from the region of Galicia (North-West Spain). These herds were randomly selected from a larger group that had taken part in a voluntary paratuberculosis control program since 2005, which involves regular serum sampling of every adult animal to run antibody-ELISA tests. Milk production and reproductive data were obtained from the \u201cDairy Herd Improvement Program (DHIP) of Galicia\u201d. All the gathered data were processed following a linear regression model. Results indicated that there was no significant effect of MAP sero-status on individual milk production variables. However, a significant difference was observed at the calving-to-first-insemination interval, with an average increase of 14 days in positive animals compared to negatives. It has to be taken into consideration that the paratuberculosis status was only defined by the serological status. Since para tb-infected animals may have antbodies or may not, para tb-positive animals can also be included in the sero-negative group of animals, which may bias the results.<\/p>

Keywords<\/span>
milk production, fat content, protein content, reproductive performance, dairy cattle<\/p>

Zusammenfassung<\/span>
Ziel dieser Studie war die Untersuchung eines m\u00f6glichen Einflusses des serologischen Status von Milchk\u00fchen gegen\u00fcber Mycobacterium avium subsp. paratuberculosis (MAP) auf Milchqualit\u00e4t und Reproduktionsleistung. Die Studie wurde in 40 randomisiert ausgew\u00e4hlten Herden aus der Region Galizien (Nordwestspanien) durchgef\u00fchrt. Alle betroffenen Herden nahmen seit 2005 an einem freiwilligen Paratuberkulose-Kontrollprogramm teil, innerhalb dessen alle adulten Tiere serologisch mittels ELISA auf Antik\u00f6rper gegen\u00fcber MAP untersucht wurden. Daten zur Milchqualit\u00e4t und Reproduktionsleistung wurden im Rahmen der offiziellen Milchleistungspr\u00fcfung (DHIP) in Galizien erfa\u00dft. Die Daten-Analyse erfolgte mittels eines linearen Regressions-Models. Die Ergebnisse zeigten keine signifikanten Effekte des MAP-Serostatus auf einzelne Variablen der Milchqualit\u00e4t. Serologisch MAP-positive Tiere zeigten jedoch ein signifikant l\u00e4ngeres Intervall zwischen der Abkalbung und der ersten Besamung, mit einer durchschnittlichen Erh\u00f6hung von 14 Tagen gegen\u00fcber MAP-negativen Tieren. Es muss jedoch ber\u00fccksichtigt werden, dass der Paratuberkulose-Status in dieser Arbeit ausschlie\u00dflich \u00fcber den Serostatus bestimmt wurde. Da Para-Tb infizierte Tiere serologisch positiv aber auch serologisch negativ sein k\u00f6nnen, besteht die M\u00f6glichkeit, dass auch in der Gruppe der seronegativen Tiere Para-Tb positive Tiere vorkommen, was die Ergebnisse verzerren k\u00f6nnte.<\/p>

Schl\u00fcsselw\u00f6rter<\/span>
Milchproduktion, Fettgehalt, Proteingehalt, Reproduktionsleistung, Milchvieh<\/p>","categories":["Tier\u00e4rztliche Wochenschrift","Abostufe BMTW","Fachartikel"],"fromDate":"Sep 9, 2015 10:00:00 PM","oldUrls":["http:\/\/vetline.de\/associations-between-mycobacterium-paratuberculosis-sero-status-milk-quality-parameters-and-reproduction-in-dairy-cows\/150\/3130\/89930"],"doiLanguage":"englisch","doiProductFormat":"online","doiPublisher":"Schl\u00fctersche Verlagsgesellschaft mbH & Co. KG","doiSerialWorkTitle":"Berliner und M\u00fcnchener Tier\u00e4rztliche Wochenschrift ","doiDocumentUri":"http:\/\/www.vetline.de\/associations-between-mycobacterium-paratuberculosis-sero-status-milk-quality-parameters-and-reproduction-in-dairy-cows\/150\/3130\/89930\/","doiSource":"Berliner und M\u00fcnchener Tier\u00e4rztliche Wochenschrift 128, Heft 9\/10 (2015), Seiten 370\u2013375","doiissn":"0005-9366","doiNr":"10.2376\/0005-9366-128-370","doiFirstPage":"370","doiLastPage":"375","doiTransmitted":true,"doiAuthor":"Pesqueira M, Factor C, Mato I, Sanju\u00e1n M, Macias L, Eiras C, Arnaiz I, Camino F, Yus E, Di\u00e9guez F","pdf":{"path":"http:\/\/data\/BMW_2015_09_10_0370.pdf","title":"BMW_2015_09_10_0370.pdf","description":"Associations between Mycobacterium paratuberculosis sero-status, milk quality parameters, and reproduction in dairy cows "},"authors":[{"firstName":"M","middleName":"","lastName":"Pesqueira"},{"firstName":"C","middleName":"","lastName":"Factor"},{"firstName":"I","middleName":"","lastName":"Mato"},{"firstName":"M","middleName":"","lastName":"Sanju\u00e1n"},{"firstName":"L","middleName":"","lastName":"Macias"},{"firstName":"C","middleName":"","lastName":"Eiras"},{"firstName":"I","middleName":"","lastName":"Arnaiz"},{"firstName":"F","middleName":"","lastName":"Camino"},{"firstName":"E","middleName":"","lastName":"Yus"},{"firstName":"F","middleName":"","lastName":"Di\u00e9guez"}],"contentOptimised":"

Summary<\/strong>
The objective of this study was to investigate the influence of Mycobacterium avium subsp. paratuberculosis (MAP) sero-status of dairy cows on different milk production variables and reproductive traits. The study was carried out on 40 herds from the region of Galicia (North-West Spain). These herds were randomly selected from a larger group that had taken part in a voluntary paratuberculosis control program since 2005, which involves regular serum sampling of every adult animal to run antibody-ELISA tests. Milk production and reproductive data were obtained from the \u201cDairy Herd Improvement Program (DHIP) of Galicia\u201d. All the gathered data were processed following a linear regression model. Results indicated that there was no significant effect of MAP sero-status on individual milk production variables. However, a significant difference was observed at the calving-to-first-insemination interval, with an average increase of 14 days in positive animals compared to negatives. It has to be taken into consideration that the paratuberculosis status was only defined by the serological status. Since para tb-infected animals may have antbodies or may not, para tb-positive animals can also be included in the sero-negative group of animals, which may bias the results.<\/p>

Keywords:<\/strong>
milk production, fat content, protein content, reproductive performance, dairy cattle<\/p>

Zusammenfassung<\/strong>
Ziel dieser Studie war die Untersuchung eines m\u00f6glichen Einflusses des serologischen Status von Milchk\u00fchen gegen\u00fcber Mycobacterium avium subsp. paratuberculosis (MAP) auf Milchqualit\u00e4t und Reproduktionsleistung. Die Studie wurde in 40 randomisiert ausgew\u00e4hlten Herden aus der Region Galizien (Nordwestspanien) durchgef\u00fchrt. Alle betroffenen Herden nahmen seit 2005 an einem freiwilligen Paratuberkulose-Kontrollprogramm teil, innerhalb dessen alle adulten Tiere serologisch mittels ELISA auf Antik\u00f6rper gegen\u00fcber MAP untersucht wurden. Daten zur Milchqualit\u00e4t und Reproduktionsleistung wurden im Rahmen der offiziellen Milchleistungspr\u00fcfung (DHIP) in Galizien erfa\u00dft. Die Daten-Analyse erfolgte mittels eines linearen Regressions-Models. Die Ergebnisse zeigten keine signifikanten Effekte des MAP-Serostatus auf einzelne Variablen der Milchqualit\u00e4t. Serologisch MAP-positive Tiere zeigten jedoch ein signifikant l\u00e4ngeres Intervall zwischen der Abkalbung und der ersten Besamung, mit einer durchschnittlichen Erh\u00f6hung von 14 Tagen gegen\u00fcber MAP-negativen Tieren. Es muss jedoch ber\u00fccksichtigt werden, dass der Paratuberkulose-Status in dieser Arbeit ausschlie\u00dflich \u00fcber den Serostatus bestimmt wurde. Da Para-Tb infizierte Tiere serologisch positiv aber auch serologisch negativ sein k\u00f6nnen, besteht die M\u00f6glichkeit, dass auch in der Gruppe der seronegativen Tiere Para-Tb positive Tiere vorkommen, was die Ergebnisse verzerren k\u00f6nnte.<\/p>

Schl\u00fcsselw\u00f6rter:<\/strong>
Milchproduktion, Fettgehalt, Proteingehalt, Reproduktionsleistung, Milchvieh<\/p>","primaryLanguage":"englisch","summary":"The objective of this study was to investigate the influence of Mycobacterium avium subsp. paratuberculosis (MAP) sero-status of dairy cows on different milk production variables and reproductive traits. The study was carried out on 40 herds from the region of Galicia (North-West Spain). These herds were randomly selected from a larger group that had taken part in a voluntary paratuberculosis control program since 2005, which involves regular serum sampling of every adult animal to run antibody-ELISA tests. Milk production and reproductive data were obtained from the \u201cDairy Herd Improvement Program (DHIP) of Galicia\u201d. All the gathered data were processed following a linear regression model. Results indicated that there was no significant effect of MAP sero-status on individual milk production variables. However, a significant difference was observed at the calving-to-first-insemination interval, with an average increase of 14 days in positive animals compared to negatives. It has to be taken into consideration that the paratuberculosis status was only defined by the serological status. Since para tb-infected animals may have antbodies or may not, para tb-positive animals can also be included in the sero-negative group of animals, which may bias the results.<\/p>

","keywords":["milk production","fat content","protein content","reproductive performance","dairy cattle"],"zusammenfassung":"Ziel dieser Studie war die Untersuchung eines m\u00f6glichen Einflusses des serologischen Status von Milchk\u00fchen gegen\u00fcber Mycobacterium avium subsp. paratuberculosis (MAP) auf Milchqualit\u00e4t und Reproduktionsleistung. Die Studie wurde in 40 randomisiert ausgew\u00e4hlten Herden aus der Region Galizien (Nordwestspanien) durchgef\u00fchrt. Alle betroffenen Herden nahmen seit 2005 an einem freiwilligen Paratuberkulose-Kontrollprogramm teil, innerhalb dessen alle adulten Tiere serologisch mittels ELISA auf Antik\u00f6rper gegen\u00fcber MAP untersucht wurden. Daten zur Milchqualit\u00e4t und Reproduktionsleistung wurden im Rahmen der offiziellen Milchleistungspr\u00fcfung (DHIP) in Galizien erfa\u00dft. Die Daten-Analyse erfolgte mittels eines linearen Regressions-Models. Die Ergebnisse zeigten keine signifikanten Effekte des MAP-Serostatus auf einzelne Variablen der Milchqualit\u00e4t. Serologisch MAP-positive Tiere zeigten jedoch ein signifikant l\u00e4ngeres Intervall zwischen der Abkalbung und der ersten Besamung, mit einer durchschnittlichen Erh\u00f6hung von 14 Tagen gegen\u00fcber MAP-negativen Tieren. Es muss jedoch ber\u00fccksichtigt werden, dass der Paratuberkulose-Status in dieser Arbeit ausschlie\u00dflich \u00fcber den Serostatus bestimmt wurde. Da Para-Tb infizierte Tiere serologisch positiv aber auch serologisch negativ sein k\u00f6nnen, besteht die M\u00f6glichkeit, dass auch in der Gruppe der seronegativen Tiere Para-Tb positive Tiere vorkommen, was die Ergebnisse verzerren k\u00f6nnte.<\/p>

","schluesselwoerter":["Milchproduktion","Fettgehalt","Proteingehalt","Reproduktionsleistung","Milchvieh"],"translatedTitle":"Assoziation zwischen dem Mycobacterium paratuberculosisSerum-Status, Milchqualit\u00e4tsparametern und der Reproduktion bei Milchvieh","abstractE":"The objective of this study was to investigate the influence of Mycobacterium avium subsp. paratuberculosis (MAP) sero-status of dairy cows on different milk production variables and reproductive traits. The study was carried out on 40 herds from the region of Galicia (North-West Spain). These herds were randomly selected from a larger group that had taken part in a voluntary paratuberculosis control program since 2005, which involves regular serum sampling of every adult animal to run antibody-ELISA tests. Milk production and reproductive data were obtained from the \u201cDairy Herd Improvement Program (DHIP) of Galicia\u201d. All the gathered data were processed following a linear regression model. Results indicated that there was no significant effect of MAP sero-status on individual milk production variables. However, a significant difference was observed at the calving-to-first-insemination interval, with an average increase of 14 days in positive animals compared to negatives. It has to be taken into consideration that the paratuberculosis status was only defined by the serological status. Since para tb-infected animals may have antbodies or may not, para tb-positive animals can also be included in the sero-negative group of animals, which may bias the results.","date":{"year":2015,"date":"09\/2015","accepted":"2015-09-09"},"volume":"128","openAccess":false,"journal":"Berliner und M\u00fcnchener Tier\u00e4rztliche Wochenschrift","titleImageId":944,"pages":"370-375","redirects":["associations-between-mycobacterium-paratuberculosis-sero-status-milk-quality-parameters-and-reproduction-in-dairy-cows\/150\/3130\/89930"],"tierartCategories":[],"artikelartCategories":["Tier\u00e4rztliche Wochenschrift","Abostufe BMTW","Fachartikel"]} %7 9/10 %8 09/2015