[Experimental infection of calves and sheep with bovine Giardia isolates].
Identifieur interne : 001470 ( Main/Exploration ); précédent : 001469; suivant : 001471[Experimental infection of calves and sheep with bovine Giardia isolates].
Auteurs : V. Taminelli ; J. Eckert ; T. Sydler ; B. Gottstein ; L. Corboz ; M. HofmannSource :
- Schweizer Archiv fur Tierheilkunde [ 0036-7281 ] ; 1989.
Descripteurs français
- KwdFr :
- MESH :
- diagnostic : Giardiase, Maladies des bovins, Maladies des ovins.
- médecine vétérinaire : Giardiase.
- étiologie : Giardiase, Maladies des bovins, Maladies des ovins.
- Animaux, Bovins, Ovis.
English descriptors
- KwdEn :
- MESH :
- diagnosis : Cattle Diseases, Giardiasis, Sheep Diseases.
- etiology : Cattle Diseases, Giardiasis, Sheep Diseases.
- veterinary : Giardiasis.
- Animals, Cattle, Sheep.
Abstract
9 Giardia-free calves were artificially infected with 1.5-5.1 x 10(6) Giardia cysts originating from Swiss cattle ("bovine isolates"). In 4 of these animals the course of infection was examined. After prepatent periods of 7-8 days all calves excreted high numbers of Giardia cysts for 60-112 days. During patency on 44% of the examination days Giardia cysts and antigen could be detected simultaneously in faecal samples using the flotation method and a sandwich-ELISA, respectively. With the exception of light diarrhoea lasting only for some days at the beginning of patency no other symptoms occurred. Further 5 artificially infected calves were submitted to autopsy. Giardia trophozoites were detected in 4 calves in the jejunum and in 1 animal in the ileum (peroxidase-antiperoxidase method). All animals were simultaneously infected with Campylobacter spp. and/or Rota- and Corona-virus. Electronmicroscopically mucosal attachment sites of Giardia trophozoites had intact microvilli and enterocytes. In various parts of the intestine blunting and flattening of the villi and cellular infiltrations of the mucosa were present. These alterations in calves are generally associated with bacterial and/or viral infections of calves. A Swiss bovine Giardia cyst-isolate was transmitted to 4 Giardia-free conventionally maintained lambs which excreted Giardia cysts after prepatent periods of 10-21 days for 31-61 days.
PubMed: 2587975
Affiliations:
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Le document en format XML
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Hofmann</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="1989">1989</date><idno type="RBID">pubmed:2587975</idno><idno type="pmid">2587975</idno><idno type="wicri:Area/PubMed/Corpus">000744</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">000744</idno><idno type="wicri:Area/PubMed/Curation">000744</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Curation">000744</idno><idno type="wicri:Area/PubMed/Checkpoint">000732</idno><idno type="wicri:explorRef" wicri:stream="Checkpoint" wicri:step="PubMed">000732</idno><idno type="wicri:Area/Ncbi/Merge">000452</idno><idno type="wicri:Area/Ncbi/Curation">000452</idno><idno type="wicri:Area/Ncbi/Checkpoint">000452</idno><idno type="wicri:doubleKey">0036-7281:1989:Taminelli V:experimental:infection:of</idno><idno type="wicri:Area/Main/Merge">001490</idno><idno type="wicri:Area/Main/Curation">001470</idno><idno type="wicri:Area/Main/Exploration">001470</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">[Experimental infection of calves and sheep with bovine Giardia isolates].</title><author><name sortKey="Taminelli, V" sort="Taminelli, V" uniqKey="Taminelli V" first="V" last="Taminelli">V. Taminelli</name></author><author><name sortKey="Eckert, J" sort="Eckert, J" uniqKey="Eckert J" first="J" last="Eckert">J. Eckert</name></author><author><name sortKey="Sydler, T" sort="Sydler, T" uniqKey="Sydler T" first="T" last="Sydler">T. Sydler</name></author><author><name sortKey="Gottstein, B" sort="Gottstein, B" uniqKey="Gottstein B" first="B" last="Gottstein">B. Gottstein</name></author><author><name sortKey="Corboz, L" sort="Corboz, L" uniqKey="Corboz L" first="L" last="Corboz">L. Corboz</name></author><author><name sortKey="Hofmann, M" sort="Hofmann, M" uniqKey="Hofmann M" first="M" last="Hofmann">M. Hofmann</name></author></analytic><series><title level="j">Schweizer Archiv fur Tierheilkunde</title><idno type="ISSN">0036-7281</idno><imprint><date when="1989" type="published">1989</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals</term><term>Cattle</term><term>Cattle Diseases (diagnosis)</term><term>Cattle Diseases (etiology)</term><term>Giardiasis (diagnosis)</term><term>Giardiasis (etiology)</term><term>Giardiasis (veterinary)</term><term>Sheep</term><term>Sheep Diseases (diagnosis)</term><term>Sheep Diseases (etiology)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Animaux</term><term>Bovins</term><term>Giardiase (diagnostic)</term><term>Giardiase (médecine vétérinaire)</term><term>Giardiase (étiologie)</term><term>Maladies des bovins (diagnostic)</term><term>Maladies des bovins (étiologie)</term><term>Maladies des ovins (diagnostic)</term><term>Maladies des ovins (étiologie)</term><term>Ovis</term></keywords><keywords scheme="MESH" qualifier="diagnosis" xml:lang="en"><term>Cattle Diseases</term><term>Giardiasis</term><term>Sheep Diseases</term></keywords><keywords scheme="MESH" qualifier="diagnostic" xml:lang="fr"><term>Giardiase</term><term>Maladies des bovins</term><term>Maladies des ovins</term></keywords><keywords scheme="MESH" qualifier="etiology" xml:lang="en"><term>Cattle Diseases</term><term>Giardiasis</term><term>Sheep Diseases</term></keywords><keywords scheme="MESH" qualifier="médecine vétérinaire" xml:lang="fr"><term>Giardiase</term></keywords><keywords scheme="MESH" qualifier="veterinary" xml:lang="en"><term>Giardiasis</term></keywords><keywords scheme="MESH" qualifier="étiologie" xml:lang="fr"><term>Giardiase</term><term>Maladies des bovins</term><term>Maladies des ovins</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Cattle</term><term>Sheep</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Animaux</term><term>Bovins</term><term>Ovis</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">9 Giardia-free calves were artificially infected with 1.5-5.1 x 10(6) Giardia cysts originating from Swiss cattle ("bovine isolates"). In 4 of these animals the course of infection was examined. After prepatent periods of 7-8 days all calves excreted high numbers of Giardia cysts for 60-112 days. During patency on 44% of the examination days Giardia cysts and antigen could be detected simultaneously in faecal samples using the flotation method and a sandwich-ELISA, respectively. With the exception of light diarrhoea lasting only for some days at the beginning of patency no other symptoms occurred. Further 5 artificially infected calves were submitted to autopsy. Giardia trophozoites were detected in 4 calves in the jejunum and in 1 animal in the ileum (peroxidase-antiperoxidase method). All animals were simultaneously infected with Campylobacter spp. and/or Rota- and Corona-virus. Electronmicroscopically mucosal attachment sites of Giardia trophozoites had intact microvilli and enterocytes. In various parts of the intestine blunting and flattening of the villi and cellular infiltrations of the mucosa were present. These alterations in calves are generally associated with bacterial and/or viral infections of calves. A Swiss bovine Giardia cyst-isolate was transmitted to 4 Giardia-free conventionally maintained lambs which excreted Giardia cysts after prepatent periods of 10-21 days for 31-61 days.</div></front></TEI><affiliations><list></list><tree><noCountry><name sortKey="Corboz, L" sort="Corboz, L" uniqKey="Corboz L" first="L" last="Corboz">L. Corboz</name><name sortKey="Eckert, J" sort="Eckert, J" uniqKey="Eckert J" first="J" last="Eckert">J. Eckert</name><name sortKey="Gottstein, B" sort="Gottstein, B" uniqKey="Gottstein B" first="B" last="Gottstein">B. Gottstein</name><name sortKey="Hofmann, M" sort="Hofmann, M" uniqKey="Hofmann M" first="M" last="Hofmann">M. Hofmann</name><name sortKey="Sydler, T" sort="Sydler, T" uniqKey="Sydler T" first="T" last="Sydler">T. Sydler</name><name sortKey="Taminelli, V" sort="Taminelli, V" uniqKey="Taminelli V" first="V" last="Taminelli">V. Taminelli</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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