Etiology of respiratory disease in non-vaccinated, non-medicated calves in rearing herds
Identifieur interne : 000F34 ( Main/Merge ); précédent : 000F33; suivant : 000F35Etiology of respiratory disease in non-vaccinated, non-medicated calves in rearing herds
Auteurs : T. Autio [Finlande] ; T. Pohjanvirta [Finlande] ; R. Holopainen [Finlande] ; U. Rikula [Finlande] ; J. Pentikhinen [Finlande] ; A. Huovilainen [Finlande] ; H. Rusanen ; T. Soveri [Finlande] ; L. Sihvonen [Finlande] ; S. Pelkonen [Finlande]Source :
- Veterinary microbiology : (Amsterdam) [ 0378-1135 ] ; 2007.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Bovin, Vaccin, Vétérinaire.
English descriptors
- KwdEn :
Abstract
The aim of this study was to examine the occurrence of bacterial, mycoplasmal and viral pathogens in the lower respiratory tract of calves in all-in all-out calf-rearing units. According to clinical status, non-medicated calves with and without respiratory disease signs were selected of the 40 herds investigated to analyse the micro-organisms present in healthy and diseased calves. Tracheobronchial lavage (TBL) and paired serum samples were analysed for bacteria, mycoplasmas, respiratory syncytial virus (RSV), parainfluenza virus 3 (PIV3), bovine corona virus (BCV) and bovine adenovirus (BAV). Pasteurella multocida was the most common bacterial pathogen. It was isolated from 34% of the TBL samples in 28 herds and was associated with clinical respiratory disease (p < 0.05) when other pathogenic bacteria or mycoplasma were present in the sample. Mannheimia spp. and Histophilus somni were rarely found. Mycoplasma bovis was not detected at all. Ureaplasma diversum was associated with clinical respiratory disease (p < 0.05). TBL samples from healthy or suspect calves were more often negative in bacterial culture than samples from diseased calves (p < 0.05). No viral infections were detected in six herds, while 16-21 herds had RSV, BCV, BAV or PIV3. In the herds that had calves seroconverted to BCV, respiratory shedding of BCV was more frequently observed than faecal shedding. This study showed that the microbial combinations behind BRD were diverse between herds. M. bovis, an emerging pathogen in many countries, was not detected.
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Etiology of respiratory disease in non-vaccinated, non-medicated calves in rearing herds</title><author><name sortKey="Autio, T" sort="Autio, T" uniqKey="Autio T" first="T." last="Autio">T. Autio</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Finnish Food Safety Authority Evira, Department of Animal Diseases and Food Safety Research, Kuopio Research Unit, P.O. Box 92</s1><s2>70701 Kuopio</s2><s3>FIN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>5 aut.</sZ><sZ>10 aut.</sZ></inist:fA14><country>Finlande</country><wicri:noRegion>70701 Kuopio</wicri:noRegion></affiliation></author><author><name sortKey="Pohjanvirta, T" sort="Pohjanvirta, T" uniqKey="Pohjanvirta T" first="T." last="Pohjanvirta">T. Pohjanvirta</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Finnish Food Safety Authority Evira, Department of Animal Diseases and Food Safety Research, Kuopio Research Unit, P.O. Box 92</s1><s2>70701 Kuopio</s2><s3>FIN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>5 aut.</sZ><sZ>10 aut.</sZ></inist:fA14><country>Finlande</country><wicri:noRegion>70701 Kuopio</wicri:noRegion></affiliation></author><author><name sortKey="Holopainen, R" sort="Holopainen, R" uniqKey="Holopainen R" first="R." last="Holopainen">R. Holopainen</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Finnish Food Safety Authority Evira, Department of Animal Diseases and Food Safety Research, Virology Unit, Mustialankatu 3</s1><s2>00790 Helsinki</s2><s3>FIN</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>6 aut.</sZ><sZ>9 aut.</sZ></inist:fA14><country>Finlande</country><wicri:noRegion>00790 Helsinki</wicri:noRegion></affiliation></author><author><name sortKey="Rikula, U" sort="Rikula, U" uniqKey="Rikula U" first="U." last="Rikula">U. Rikula</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Finnish Food Safety Authority Evira, Department of Animal Diseases and Food Safety Research, Virology Unit, Mustialankatu 3</s1><s2>00790 Helsinki</s2><s3>FIN</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>6 aut.</sZ><sZ>9 aut.</sZ></inist:fA14><country>Finlande</country><wicri:noRegion>00790 Helsinki</wicri:noRegion></affiliation></author><author><name sortKey="Pentikhinen, J" sort="Pentikhinen, J" uniqKey="Pentikhinen J" first="J." last="Pentikhinen">J. Pentikhinen</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Finnish Food Safety Authority Evira, Department of Animal Diseases and Food Safety Research, Kuopio Research Unit, P.O. Box 92</s1><s2>70701 Kuopio</s2><s3>FIN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>5 aut.</sZ><sZ>10 aut.</sZ></inist:fA14><country>Finlande</country><wicri:noRegion>70701 Kuopio</wicri:noRegion></affiliation></author><author><name sortKey="Huovilainen, A" sort="Huovilainen, A" uniqKey="Huovilainen A" first="A." last="Huovilainen">A. Huovilainen</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Finnish Food Safety Authority Evira, Department of Animal Diseases and Food Safety Research, Virology Unit, Mustialankatu 3</s1><s2>00790 Helsinki</s2><s3>FIN</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>6 aut.</sZ><sZ>9 aut.</sZ></inist:fA14><country>Finlande</country><wicri:noRegion>00790 Helsinki</wicri:noRegion></affiliation></author><author><name sortKey="Rusanen, H" sort="Rusanen, H" uniqKey="Rusanen H" first="H." last="Rusanen">H. Rusanen</name></author><author><name sortKey="Soveri, T" sort="Soveri, T" uniqKey="Soveri T" first="T." last="Soveri">T. Soveri</name><affiliation wicri:level="4"><inist:fA14 i1="03"><s1>University of Helsinki, Faculty of Veterinary Medicine, Saari Unit, Pohjoinen Pikatie 800</s1><s2>04920 Saarentaus</s2><s3>FIN</s3><sZ>8 aut.</sZ></inist:fA14><country>Finlande</country><wicri:noRegion>04920 Saarentaus</wicri:noRegion><orgName type="university">Université d'Helsinki</orgName><placeName><settlement type="city">Helsinki</settlement><region type="région" nuts="2">Uusimaa</region></placeName></affiliation></author><author><name sortKey="Sihvonen, L" sort="Sihvonen, L" uniqKey="Sihvonen L" first="L." last="Sihvonen">L. Sihvonen</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Finnish Food Safety Authority Evira, Department of Animal Diseases and Food Safety Research, Virology Unit, Mustialankatu 3</s1><s2>00790 Helsinki</s2><s3>FIN</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>6 aut.</sZ><sZ>9 aut.</sZ></inist:fA14><country>Finlande</country><wicri:noRegion>00790 Helsinki</wicri:noRegion></affiliation></author><author><name sortKey="Pelkonen, S" sort="Pelkonen, S" uniqKey="Pelkonen S" first="S." last="Pelkonen">S. Pelkonen</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Finnish Food Safety Authority Evira, Department of Animal Diseases and Food Safety Research, Kuopio Research Unit, P.O. Box 92</s1><s2>70701 Kuopio</s2><s3>FIN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>5 aut.</sZ><sZ>10 aut.</sZ></inist:fA14><country>Finlande</country><wicri:noRegion>70701 Kuopio</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">07-0091135</idno><date when="2007">2007</date><idno type="stanalyst">PASCAL 07-0091135 INIST</idno><idno type="RBID">Pascal:07-0091135</idno><idno type="wicri:Area/PascalFrancis/Corpus">000037</idno><idno type="wicri:Area/PascalFrancis/Curation">000022</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000033</idno><idno type="wicri:explorRef" wicri:stream="PascalFrancis" wicri:step="Checkpoint">000033</idno><idno type="wicri:doubleKey">0378-1135:2007:Autio T:etiology:of:respiratory</idno><idno type="wicri:Area/Main/Merge">000F34</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Etiology of respiratory disease in non-vaccinated, non-medicated calves in rearing herds</title><author><name sortKey="Autio, T" sort="Autio, T" uniqKey="Autio T" first="T." last="Autio">T. Autio</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Finnish Food Safety Authority Evira, Department of Animal Diseases and Food Safety Research, Kuopio Research Unit, P.O. Box 92</s1><s2>70701 Kuopio</s2><s3>FIN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>5 aut.</sZ><sZ>10 aut.</sZ></inist:fA14><country>Finlande</country><wicri:noRegion>70701 Kuopio</wicri:noRegion></affiliation></author><author><name sortKey="Pohjanvirta, T" sort="Pohjanvirta, T" uniqKey="Pohjanvirta T" first="T." last="Pohjanvirta">T. Pohjanvirta</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Finnish Food Safety Authority Evira, Department of Animal Diseases and Food Safety Research, Kuopio Research Unit, P.O. Box 92</s1><s2>70701 Kuopio</s2><s3>FIN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>5 aut.</sZ><sZ>10 aut.</sZ></inist:fA14><country>Finlande</country><wicri:noRegion>70701 Kuopio</wicri:noRegion></affiliation></author><author><name sortKey="Holopainen, R" sort="Holopainen, R" uniqKey="Holopainen R" first="R." last="Holopainen">R. Holopainen</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Finnish Food Safety Authority Evira, Department of Animal Diseases and Food Safety Research, Virology Unit, Mustialankatu 3</s1><s2>00790 Helsinki</s2><s3>FIN</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>6 aut.</sZ><sZ>9 aut.</sZ></inist:fA14><country>Finlande</country><wicri:noRegion>00790 Helsinki</wicri:noRegion></affiliation></author><author><name sortKey="Rikula, U" sort="Rikula, U" uniqKey="Rikula U" first="U." last="Rikula">U. Rikula</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Finnish Food Safety Authority Evira, Department of Animal Diseases and Food Safety Research, Virology Unit, Mustialankatu 3</s1><s2>00790 Helsinki</s2><s3>FIN</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>6 aut.</sZ><sZ>9 aut.</sZ></inist:fA14><country>Finlande</country><wicri:noRegion>00790 Helsinki</wicri:noRegion></affiliation></author><author><name sortKey="Pentikhinen, J" sort="Pentikhinen, J" uniqKey="Pentikhinen J" first="J." last="Pentikhinen">J. Pentikhinen</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Finnish Food Safety Authority Evira, Department of Animal Diseases and Food Safety Research, Kuopio Research Unit, P.O. Box 92</s1><s2>70701 Kuopio</s2><s3>FIN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>5 aut.</sZ><sZ>10 aut.</sZ></inist:fA14><country>Finlande</country><wicri:noRegion>70701 Kuopio</wicri:noRegion></affiliation></author><author><name sortKey="Huovilainen, A" sort="Huovilainen, A" uniqKey="Huovilainen A" first="A." last="Huovilainen">A. Huovilainen</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Finnish Food Safety Authority Evira, Department of Animal Diseases and Food Safety Research, Virology Unit, Mustialankatu 3</s1><s2>00790 Helsinki</s2><s3>FIN</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>6 aut.</sZ><sZ>9 aut.</sZ></inist:fA14><country>Finlande</country><wicri:noRegion>00790 Helsinki</wicri:noRegion></affiliation></author><author><name sortKey="Rusanen, H" sort="Rusanen, H" uniqKey="Rusanen H" first="H." last="Rusanen">H. Rusanen</name></author><author><name sortKey="Soveri, T" sort="Soveri, T" uniqKey="Soveri T" first="T." last="Soveri">T. Soveri</name><affiliation wicri:level="4"><inist:fA14 i1="03"><s1>University of Helsinki, Faculty of Veterinary Medicine, Saari Unit, Pohjoinen Pikatie 800</s1><s2>04920 Saarentaus</s2><s3>FIN</s3><sZ>8 aut.</sZ></inist:fA14><country>Finlande</country><wicri:noRegion>04920 Saarentaus</wicri:noRegion><orgName type="university">Université d'Helsinki</orgName><placeName><settlement type="city">Helsinki</settlement><region type="région" nuts="2">Uusimaa</region></placeName></affiliation></author><author><name sortKey="Sihvonen, L" sort="Sihvonen, L" uniqKey="Sihvonen L" first="L." last="Sihvonen">L. Sihvonen</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Finnish Food Safety Authority Evira, Department of Animal Diseases and Food Safety Research, Virology Unit, Mustialankatu 3</s1><s2>00790 Helsinki</s2><s3>FIN</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>6 aut.</sZ><sZ>9 aut.</sZ></inist:fA14><country>Finlande</country><wicri:noRegion>00790 Helsinki</wicri:noRegion></affiliation></author><author><name sortKey="Pelkonen, S" sort="Pelkonen, S" uniqKey="Pelkonen S" first="S." last="Pelkonen">S. Pelkonen</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Finnish Food Safety Authority Evira, Department of Animal Diseases and Food Safety Research, Kuopio Research Unit, P.O. Box 92</s1><s2>70701 Kuopio</s2><s3>FIN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>5 aut.</sZ><sZ>10 aut.</sZ></inist:fA14><country>Finlande</country><wicri:noRegion>70701 Kuopio</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Veterinary microbiology : (Amsterdam)</title><title level="j" type="abbreviated">Vet. microbiol. : (Amst.)</title><idno type="ISSN">0378-1135</idno><imprint><date when="2007">2007</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Veterinary microbiology : (Amsterdam)</title><title level="j" type="abbreviated">Vet. microbiol. : (Amst.)</title><idno type="ISSN">0378-1135</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Bovine</term><term>Microbiology</term><term>Vaccine</term><term>Veterinary</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Bovin</term><term>Vaccin</term><term>Microbiologie</term><term>Vétérinaire</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Bovin</term><term>Vaccin</term><term>Vétérinaire</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The aim of this study was to examine the occurrence of bacterial, mycoplasmal and viral pathogens in the lower respiratory tract of calves in all-in all-out calf-rearing units. According to clinical status, non-medicated calves with and without respiratory disease signs were selected of the 40 herds investigated to analyse the micro-organisms present in healthy and diseased calves. Tracheobronchial lavage (TBL) and paired serum samples were analysed for bacteria, mycoplasmas, respiratory syncytial virus (RSV), parainfluenza virus 3 (PIV3), bovine corona virus (BCV) and bovine adenovirus (BAV). Pasteurella multocida was the most common bacterial pathogen. It was isolated from 34% of the TBL samples in 28 herds and was associated with clinical respiratory disease (p < 0.05) when other pathogenic bacteria or mycoplasma were present in the sample. Mannheimia spp. and Histophilus somni were rarely found. Mycoplasma bovis was not detected at all. Ureaplasma diversum was associated with clinical respiratory disease (p < 0.05). TBL samples from healthy or suspect calves were more often negative in bacterial culture than samples from diseased calves (p < 0.05). No viral infections were detected in six herds, while 16-21 herds had RSV, BCV, BAV or PIV3. In the herds that had calves seroconverted to BCV, respiratory shedding of BCV was more frequently observed than faecal shedding. This study showed that the microbial combinations behind BRD were diverse between herds. M. bovis, an emerging pathogen in many countries, was not detected.</div></front></TEI><affiliations><list><country><li>Finlande</li></country><region><li>Uusimaa</li></region><settlement><li>Helsinki</li></settlement><orgName><li>Université d'Helsinki</li></orgName></list><tree><noCountry><name sortKey="Rusanen, H" sort="Rusanen, H" uniqKey="Rusanen H" first="H." last="Rusanen">H. Rusanen</name></noCountry><country name="Finlande"><noRegion><name sortKey="Autio, T" sort="Autio, T" uniqKey="Autio T" first="T." last="Autio">T. Autio</name></noRegion><name sortKey="Holopainen, R" sort="Holopainen, R" uniqKey="Holopainen R" first="R." last="Holopainen">R. Holopainen</name><name sortKey="Huovilainen, A" sort="Huovilainen, A" uniqKey="Huovilainen A" first="A." last="Huovilainen">A. Huovilainen</name><name sortKey="Pelkonen, S" sort="Pelkonen, S" uniqKey="Pelkonen S" first="S." last="Pelkonen">S. Pelkonen</name><name sortKey="Pentikhinen, J" sort="Pentikhinen, J" uniqKey="Pentikhinen J" first="J." last="Pentikhinen">J. Pentikhinen</name><name sortKey="Pohjanvirta, T" sort="Pohjanvirta, T" uniqKey="Pohjanvirta T" first="T." last="Pohjanvirta">T. Pohjanvirta</name><name sortKey="Rikula, U" sort="Rikula, U" uniqKey="Rikula U" first="U." last="Rikula">U. Rikula</name><name sortKey="Sihvonen, L" sort="Sihvonen, L" uniqKey="Sihvonen L" first="L." last="Sihvonen">L. Sihvonen</name><name sortKey="Soveri, T" sort="Soveri, T" uniqKey="Soveri T" first="T." last="Soveri">T. Soveri</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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