Predation of the fungus Duddingtonia flagrans on infective larvae of gastrointestinal nematodes from heifers in a silvopastoral system under shaded and sunny conditions
The objective of this study was to evaluate the predatory activity of the nematophagous fungus Duddingtonia flagrans on infective larvae of gastrointestinal nematodes from dairy heifers in different conditions (shaded and sunny) of a silvopastoral system (SPS) on an agroecological farm. Ten Jersey h...
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Veröffentlicht in: | Journal of helminthology 2022-03, Vol.96, p.e20-e20, Article e20 |
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creator | Buss Baiak, Barbara Haline de Sousa, Karolini Tenffen Deniz, Matheus Gasparina, Jennifer Mayara Ianke, Letícia Pereira, Leticia Macedo Araújo, Jackson Victor Rocha, Raquel Abdallah Dittrich, João Ricardo |
description | The objective of this study was to evaluate the predatory activity of the nematophagous fungus Duddingtonia flagrans on infective larvae of gastrointestinal nematodes from dairy heifers in different conditions (shaded and sunny) of a silvopastoral system (SPS) on an agroecological farm. Ten Jersey heifers were divided into two groups: treated (received pellets containing fungus); and control (received pellets without fungus). Twelve hours after fungus administration, faeces samples were collected for in vitro efficacy tests. The animals then remained for 8 h in the experimental pasture area. At the end of this period, 20 faecal pads (10 treated and 10 control) were selected. Pasture, faecal pad and soil collections occurred at intervals of seven days (d), totalling four assessments over 28 d. To evaluate the influence of the conditions shaded and sunny, we registered the condition of the location of each faecal pad per hour. After 12 h of gastrointestinal transit in dairy heifers, a reduction of 65% was obtained through the in vitro test. The treated group presented a lower number of infective larvae (L3) in the faecal pad and upper pasture. Differences in numbers of L3 were observed between the conditions (sunny and shaded) in the faecal pad of the control group; while in the treated group there were no differences between the conditions. The predatory activity of the fungus was efficient over time in the shaded and sunny conditions of an SPS, decreasing the parasite contamination during the pasture recovery time in a subtropical climate. |
doi_str_mv | 10.1017/S0022149X22000128 |
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Ten Jersey heifers were divided into two groups: treated (received pellets containing fungus); and control (received pellets without fungus). Twelve hours after fungus administration, faeces samples were collected for in vitro efficacy tests. The animals then remained for 8 h in the experimental pasture area. At the end of this period, 20 faecal pads (10 treated and 10 control) were selected. Pasture, faecal pad and soil collections occurred at intervals of seven days (d), totalling four assessments over 28 d. To evaluate the influence of the conditions shaded and sunny, we registered the condition of the location of each faecal pad per hour. After 12 h of gastrointestinal transit in dairy heifers, a reduction of 65% was obtained through the in vitro test. The treated group presented a lower number of infective larvae (L3) in the faecal pad and upper pasture. Differences in numbers of L3 were observed between the conditions (sunny and shaded) in the faecal pad of the control group; while in the treated group there were no differences between the conditions. The predatory activity of the fungus was efficient over time in the shaded and sunny conditions of an SPS, decreasing the parasite contamination during the pasture recovery time in a subtropical climate.</description><identifier>ISSN: 0022-149X</identifier><identifier>EISSN: 1475-2697</identifier><identifier>DOI: 10.1017/S0022149X22000128</identifier><identifier>PMID: 35257651</identifier><language>eng</language><publisher>Cambridge, UK: Cambridge University Press</publisher><subject>Animals ; Ascomycota ; Cattle ; Collections ; Contamination ; Defecation ; Duddingtonia ; Evaluation ; Feces - parasitology ; Fungi ; In vitro methods and tests ; Interspecific relationships ; Intestinal parasites ; Larva - microbiology ; Larvae ; Microclimate ; Nematoda - microbiology ; Nematodes ; Nematophagous fungi ; Parasites ; Pastoralism ; Pasture ; Pellets ; Pest Control, Biological ; Predation ; Predatory Behavior ; Radiation ; Recovery time ; Research Paper ; Soil contamination ; Worms</subject><ispartof>Journal of helminthology, 2022-03, Vol.96, p.e20-e20, Article e20</ispartof><rights>Copyright © The Author(s), 2022. Published by Cambridge University Press</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c373t-43c35af0b17276be6c27f45cf1e8ae3dc9884bd6cf908555a92deadb6c9152c63</citedby><cites>FETCH-LOGICAL-c373t-43c35af0b17276be6c27f45cf1e8ae3dc9884bd6cf908555a92deadb6c9152c63</cites><orcidid>0000-0001-6036-7427</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.cambridge.org/core/product/identifier/S0022149X22000128/type/journal_article$$EHTML$$P50$$Gcambridge$$H</linktohtml><link.rule.ids>164,314,776,780,27901,27902,55603</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/35257651$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Buss Baiak, Barbara Haline</creatorcontrib><creatorcontrib>de Sousa, Karolini Tenffen</creatorcontrib><creatorcontrib>Deniz, Matheus</creatorcontrib><creatorcontrib>Gasparina, Jennifer Mayara</creatorcontrib><creatorcontrib>Ianke, Letícia</creatorcontrib><creatorcontrib>Pereira, Leticia Macedo</creatorcontrib><creatorcontrib>Araújo, Jackson Victor</creatorcontrib><creatorcontrib>Rocha, Raquel Abdallah</creatorcontrib><creatorcontrib>Dittrich, João Ricardo</creatorcontrib><title>Predation of the fungus Duddingtonia flagrans on infective larvae of gastrointestinal nematodes from heifers in a silvopastoral system under shaded and sunny conditions</title><title>Journal of helminthology</title><addtitle>J. Helminthol</addtitle><description>The objective of this study was to evaluate the predatory activity of the nematophagous fungus Duddingtonia flagrans on infective larvae of gastrointestinal nematodes from dairy heifers in different conditions (shaded and sunny) of a silvopastoral system (SPS) on an agroecological farm. Ten Jersey heifers were divided into two groups: treated (received pellets containing fungus); and control (received pellets without fungus). Twelve hours after fungus administration, faeces samples were collected for in vitro efficacy tests. The animals then remained for 8 h in the experimental pasture area. At the end of this period, 20 faecal pads (10 treated and 10 control) were selected. Pasture, faecal pad and soil collections occurred at intervals of seven days (d), totalling four assessments over 28 d. To evaluate the influence of the conditions shaded and sunny, we registered the condition of the location of each faecal pad per hour. After 12 h of gastrointestinal transit in dairy heifers, a reduction of 65% was obtained through the in vitro test. The treated group presented a lower number of infective larvae (L3) in the faecal pad and upper pasture. Differences in numbers of L3 were observed between the conditions (sunny and shaded) in the faecal pad of the control group; while in the treated group there were no differences between the conditions. The predatory activity of the fungus was efficient over time in the shaded and sunny conditions of an SPS, decreasing the parasite contamination during the pasture recovery time in a subtropical climate.</description><subject>Animals</subject><subject>Ascomycota</subject><subject>Cattle</subject><subject>Collections</subject><subject>Contamination</subject><subject>Defecation</subject><subject>Duddingtonia</subject><subject>Evaluation</subject><subject>Feces - parasitology</subject><subject>Fungi</subject><subject>In vitro methods and tests</subject><subject>Interspecific relationships</subject><subject>Intestinal parasites</subject><subject>Larva - microbiology</subject><subject>Larvae</subject><subject>Microclimate</subject><subject>Nematoda - microbiology</subject><subject>Nematodes</subject><subject>Nematophagous fungi</subject><subject>Parasites</subject><subject>Pastoralism</subject><subject>Pasture</subject><subject>Pellets</subject><subject>Pest Control, Biological</subject><subject>Predation</subject><subject>Predatory Behavior</subject><subject>Radiation</subject><subject>Recovery time</subject><subject>Research Paper</subject><subject>Soil contamination</subject><subject>Worms</subject><issn>0022-149X</issn><issn>1475-2697</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>BENPR</sourceid><recordid>eNp1kU2LFDEQhoMo7jj6A7xIwIuXdpN0pz-OsusXLCjsCt6a6qTSk6U7GZP0wPwjf-ammVFB8VJ1qOd9q4qXkJecveWMN5e3jAnBq-67EIwxLtpHZMOrRhai7prHZLOOi3V-QZ7FeJ-Zkgv5lFyUUsimlnxDfn4NqCFZ76g3NO2QmsWNS6TXi9bWjck7C9RMMAZwkWbMOoMq2QPSCcIBcNWNEFPw1iWMyTqYqMMZktcYqQl-pju0BkPMWgo02ung91nhQybjMSac6eI0Bhp3oFFTcJrGxbkjVd5pu14Xn5MnBqaIL859S759eH939am4-fLx89W7m0KVTZmKqlSlBMMG3oimHrBWojGVVIZjC1hq1bVtNehamY61UkrohEbQQ606LoWqyy15c_LdB_9jyf_0s40Kpwkc-iX2os57Mprrlrz-C733S8jvnyjWSdZWmeInSgUfY0DT74OdIRx7zvo1xv6fGLPm1dl5GWbUvxW_cstAeTaFeQhWj_hn9_9tHwBZkqu0</recordid><startdate>20220308</startdate><enddate>20220308</enddate><creator>Buss Baiak, Barbara Haline</creator><creator>de Sousa, Karolini Tenffen</creator><creator>Deniz, Matheus</creator><creator>Gasparina, Jennifer Mayara</creator><creator>Ianke, Letícia</creator><creator>Pereira, Leticia Macedo</creator><creator>Araújo, Jackson Victor</creator><creator>Rocha, Raquel Abdallah</creator><creator>Dittrich, João Ricardo</creator><general>Cambridge University Press</general><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>7QG</scope><scope>7SN</scope><scope>7X2</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8C1</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>H95</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>L.G</scope><scope>M0K</scope><scope>M0S</scope><scope>M1P</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0001-6036-7427</orcidid></search><sort><creationdate>20220308</creationdate><title>Predation of the fungus Duddingtonia flagrans on infective larvae of gastrointestinal nematodes from heifers in a silvopastoral system under shaded and sunny conditions</title><author>Buss Baiak, Barbara Haline ; de Sousa, Karolini Tenffen ; Deniz, Matheus ; Gasparina, Jennifer Mayara ; Ianke, Letícia ; Pereira, Leticia Macedo ; Araújo, Jackson Victor ; Rocha, Raquel Abdallah ; Dittrich, João Ricardo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c373t-43c35af0b17276be6c27f45cf1e8ae3dc9884bd6cf908555a92deadb6c9152c63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Animals</topic><topic>Ascomycota</topic><topic>Cattle</topic><topic>Collections</topic><topic>Contamination</topic><topic>Defecation</topic><topic>Duddingtonia</topic><topic>Evaluation</topic><topic>Feces - parasitology</topic><topic>Fungi</topic><topic>In vitro methods and tests</topic><topic>Interspecific relationships</topic><topic>Intestinal parasites</topic><topic>Larva - microbiology</topic><topic>Larvae</topic><topic>Microclimate</topic><topic>Nematoda - microbiology</topic><topic>Nematodes</topic><topic>Nematophagous fungi</topic><topic>Parasites</topic><topic>Pastoralism</topic><topic>Pasture</topic><topic>Pellets</topic><topic>Pest Control, Biological</topic><topic>Predation</topic><topic>Predatory Behavior</topic><topic>Radiation</topic><topic>Recovery time</topic><topic>Research Paper</topic><topic>Soil contamination</topic><topic>Worms</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Buss Baiak, Barbara Haline</creatorcontrib><creatorcontrib>de Sousa, Karolini Tenffen</creatorcontrib><creatorcontrib>Deniz, Matheus</creatorcontrib><creatorcontrib>Gasparina, Jennifer Mayara</creatorcontrib><creatorcontrib>Ianke, Letícia</creatorcontrib><creatorcontrib>Pereira, Leticia Macedo</creatorcontrib><creatorcontrib>Araújo, Jackson Victor</creatorcontrib><creatorcontrib>Rocha, Raquel Abdallah</creatorcontrib><creatorcontrib>Dittrich, João Ricardo</creatorcontrib><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>Animal Behavior Abstracts</collection><collection>Ecology Abstracts</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>Public Health Database</collection><collection>ProQuest SciTech 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>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Agricultural Science Database</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical 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>ProQuest Central China</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of helminthology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Buss Baiak, Barbara Haline</au><au>de Sousa, Karolini Tenffen</au><au>Deniz, Matheus</au><au>Gasparina, Jennifer Mayara</au><au>Ianke, Letícia</au><au>Pereira, Leticia Macedo</au><au>Araújo, Jackson Victor</au><au>Rocha, Raquel Abdallah</au><au>Dittrich, João Ricardo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Predation of the fungus Duddingtonia flagrans on infective larvae of gastrointestinal nematodes from heifers in a silvopastoral system under shaded and sunny conditions</atitle><jtitle>Journal of helminthology</jtitle><addtitle>J. Helminthol</addtitle><date>2022-03-08</date><risdate>2022</risdate><volume>96</volume><spage>e20</spage><epage>e20</epage><pages>e20-e20</pages><artnum>e20</artnum><issn>0022-149X</issn><eissn>1475-2697</eissn><abstract>The objective of this study was to evaluate the predatory activity of the nematophagous fungus Duddingtonia flagrans on infective larvae of gastrointestinal nematodes from dairy heifers in different conditions (shaded and sunny) of a silvopastoral system (SPS) on an agroecological farm. Ten Jersey heifers were divided into two groups: treated (received pellets containing fungus); and control (received pellets without fungus). Twelve hours after fungus administration, faeces samples were collected for in vitro efficacy tests. The animals then remained for 8 h in the experimental pasture area. At the end of this period, 20 faecal pads (10 treated and 10 control) were selected. Pasture, faecal pad and soil collections occurred at intervals of seven days (d), totalling four assessments over 28 d. To evaluate the influence of the conditions shaded and sunny, we registered the condition of the location of each faecal pad per hour. After 12 h of gastrointestinal transit in dairy heifers, a reduction of 65% was obtained through the in vitro test. The treated group presented a lower number of infective larvae (L3) in the faecal pad and upper pasture. Differences in numbers of L3 were observed between the conditions (sunny and shaded) in the faecal pad of the control group; while in the treated group there were no differences between the conditions. The predatory activity of the fungus was efficient over time in the shaded and sunny conditions of an SPS, decreasing the parasite contamination during the pasture recovery time in a subtropical climate.</abstract><cop>Cambridge, UK</cop><pub>Cambridge University Press</pub><pmid>35257651</pmid><doi>10.1017/S0022149X22000128</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0001-6036-7427</orcidid></addata></record> |
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subjects | Animals Ascomycota Cattle Collections Contamination Defecation Duddingtonia Evaluation Feces - parasitology Fungi In vitro methods and tests Interspecific relationships Intestinal parasites Larva - microbiology Larvae Microclimate Nematoda - microbiology Nematodes Nematophagous fungi Parasites Pastoralism Pasture Pellets Pest Control, Biological Predation Predatory Behavior Radiation Recovery time Research Paper Soil contamination Worms |
title | Predation of the fungus Duddingtonia flagrans on infective larvae of gastrointestinal nematodes from heifers in a silvopastoral system under shaded and sunny conditions |
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