Aerobic microbe community and necrophagous insects associated with decomposition of pig carrion poisoned with lead.
Identifieur interne : 000308 ( Main/Exploration ); précédent : 000307; suivant : 000309Aerobic microbe community and necrophagous insects associated with decomposition of pig carrion poisoned with lead.
Auteurs : Idowu Aneyo [Nigeria] ; Oyindamola Alafia [Nigeria] ; Funmilayo Doherty [Nigeria] ; Roseline Udoma [Nigeria] ; Bukola Balogun [Nigeria] ; Abdullahi Adeola [Nigeria]Source :
- Legal medicine (Tokyo, Japan) [ 1873-4162 ] ; 2020.
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Abstract
This study investigated the effects of pig feed contaminated with lead (Pb) on the decomposition rate of pig carrion, identified the aerobic microorganisms and necrophagous insects associated with decomposing pig (Sus scrofa) carrion (above ground), and explored their potential use in the determination of post-mortem interval (PMI). The study profiled the decomposition of Sus scrofa carrion over a period of 40 days to record the effects of lead during decomposition. Fungi were identified by sub-culturing on prepared solidified potato dextrose agar and microbial identification was carried out using biochemical characterization. The decomposition rate of pigs fed with lead-contaminated feed (0.18 and 0.2 ppm) attracted insects and increased the rate of hair fall, hence at day 35, these carrion were skeletonized. The aerobic bacterial communities identified were Staphylococcus aureus, Bacillus sp. and Salmonella paratyphiwhereas the fungi identified include Fusarium sp., Cylindrocladium sp Cephalosporium sp., Scopolariopsis sp., Aspergillus sp, Mucor sp., Circinella sp., Pythium sp., Penicillium sp., Trichoderma sp., Geotrichum sp., Phytophthora sp., and Saccharomyces sp. The necrophagous insects collected consisted of three orders: Coleoptera, Diptera, and Hymenoptera which included insects like Chrysomya chloropyga Wiedemann, 1818, Musca domesticaLinnaeus, 1758, Sarcophaga exuberansPandelle, 1896, Necrobia rufipesDe Geer, 1775, Dermestes maculatusDe Geer, 1774, Camponotus sericeusFabricius, 1798 and Camponotus perrisiiForel, 1886. The activity of insect on treatments was well matched but the decomposition rate differs. Spectrophotometric analysis of insect larvae collected from decomposing pigs revealed they had presence of lead. Insect larvae and microbes identified are good entomotoxicological tools in crimes associates with lead poisoning.
DOI: 10.1016/j.legalmed.2019.101638
PubMed: 31756651
Affiliations:
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Electronic address: idowuhilda@gmail.com.</nlm:affiliation><country xml:lang="fr">Nigeria</country><wicri:regionArea>Yaba College of Technology, Lagos</wicri:regionArea><wicri:noRegion>Lagos</wicri:noRegion></affiliation></author><author><name sortKey="Alafia, Oyindamola" sort="Alafia, Oyindamola" uniqKey="Alafia O" first="Oyindamola" last="Alafia">Oyindamola Alafia</name><affiliation wicri:level="1"><nlm:affiliation>Lagos State University, Ojo, Lagos, Nigeria.</nlm:affiliation><country xml:lang="fr">Nigeria</country><wicri:regionArea>Lagos State University, Ojo, Lagos</wicri:regionArea><wicri:noRegion>Lagos</wicri:noRegion></affiliation></author><author><name sortKey="Doherty, Funmilayo" sort="Doherty, Funmilayo" uniqKey="Doherty F" first="Funmilayo" last="Doherty">Funmilayo Doherty</name><affiliation wicri:level="1"><nlm:affiliation>Yaba College of Technology, Lagos, Nigeria.</nlm:affiliation><country xml:lang="fr">Nigeria</country><wicri:regionArea>Yaba College of Technology, Lagos</wicri:regionArea><wicri:noRegion>Lagos</wicri:noRegion></affiliation></author><author><name sortKey="Udoma, Roseline" sort="Udoma, Roseline" uniqKey="Udoma R" first="Roseline" last="Udoma">Roseline Udoma</name><affiliation wicri:level="1"><nlm:affiliation>Yaba College of Technology, Lagos, Nigeria.</nlm:affiliation><country xml:lang="fr">Nigeria</country><wicri:regionArea>Yaba College of Technology, Lagos</wicri:regionArea><wicri:noRegion>Lagos</wicri:noRegion></affiliation></author><author><name sortKey="Balogun, Bukola" sort="Balogun, Bukola" uniqKey="Balogun B" first="Bukola" last="Balogun">Bukola Balogun</name><affiliation wicri:level="1"><nlm:affiliation>Lagos State University, Ojo, Lagos, Nigeria.</nlm:affiliation><country xml:lang="fr">Nigeria</country><wicri:regionArea>Lagos State University, Ojo, Lagos</wicri:regionArea><wicri:noRegion>Lagos</wicri:noRegion></affiliation></author><author><name sortKey="Adeola, Abdullahi" sort="Adeola, Abdullahi" uniqKey="Adeola A" first="Abdullahi" last="Adeola">Abdullahi Adeola</name><affiliation wicri:level="1"><nlm:affiliation>Yaba College of Technology, Lagos, Nigeria.</nlm:affiliation><country xml:lang="fr">Nigeria</country><wicri:regionArea>Yaba College of Technology, Lagos</wicri:regionArea><wicri:noRegion>Lagos</wicri:noRegion></affiliation></author></analytic><series><title level="j">Legal medicine (Tokyo, Japan)</title><idno type="eISSN">1873-4162</idno><imprint><date when="2020" type="published">2020</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animal Feed (MeSH)</term><term>Animals (MeSH)</term><term>Bacteria, Aerobic (MeSH)</term><term>Food Contamination (MeSH)</term><term>Insecta (MeSH)</term><term>Lead Poisoning (MeSH)</term><term>Swine (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Aliment pour animaux (MeSH)</term><term>Animaux (MeSH)</term><term>Bactéries aérobies (MeSH)</term><term>Contamination des aliments (MeSH)</term><term>Insectes (MeSH)</term><term>Intoxication par le plomb (MeSH)</term><term>Suidae (MeSH)</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animal Feed</term><term>Animals</term><term>Bacteria, Aerobic</term><term>Food Contamination</term><term>Insecta</term><term>Lead Poisoning</term><term>Swine</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Aliment pour animaux</term><term>Animaux</term><term>Bactéries aérobies</term><term>Contamination des aliments</term><term>Insectes</term><term>Intoxication par le plomb</term><term>Suidae</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This study investigated the effects of pig feed contaminated with lead (Pb) on the decomposition rate of pig carrion, identified the aerobic microorganisms and necrophagous insects associated with decomposing pig (Sus scrofa) carrion (above ground), and explored their potential use in the determination of post-mortem interval (PMI). The study profiled the decomposition of Sus scrofa carrion over a period of 40 days to record the effects of lead during decomposition. Fungi were identified by sub-culturing on prepared solidified potato dextrose agar and microbial identification was carried out using biochemical characterization. The decomposition rate of pigs fed with lead-contaminated feed (0.18 and 0.2 ppm) attracted insects and increased the rate of hair fall, hence at day 35, these carrion were skeletonized. The aerobic bacterial communities identified were Staphylococcus aureus, Bacillus sp. and Salmonella paratyphiwhereas the fungi identified include Fusarium sp., Cylindrocladium sp Cephalosporium sp., Scopolariopsis sp., Aspergillus sp, Mucor sp., Circinella sp., Pythium sp., Penicillium sp., Trichoderma sp., Geotrichum sp., Phytophthora sp., and Saccharomyces sp. The necrophagous insects collected consisted of three orders: Coleoptera, Diptera, and Hymenoptera which included insects like Chrysomya chloropyga Wiedemann, 1818, Musca domesticaLinnaeus, 1758, Sarcophaga exuberansPandelle, 1896, Necrobia rufipesDe Geer, 1775, Dermestes maculatusDe Geer, 1774, Camponotus sericeusFabricius, 1798 and Camponotus perrisiiForel, 1886. The activity of insect on treatments was well matched but the decomposition rate differs. Spectrophotometric analysis of insect larvae collected from decomposing pigs revealed they had presence of lead. Insect larvae and microbes identified are good entomotoxicological tools in crimes associates with lead poisoning.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">31756651</PMID><DateCompleted><Year>2020</Year><Month>08</Month><Day>19</Day></DateCompleted><DateRevised><Year>2020</Year><Month>08</Month><Day>19</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1873-4162</ISSN><JournalIssue CitedMedium="Internet"><Volume>42</Volume><PubDate><Year>2020</Year><Month>Feb</Month></PubDate></JournalIssue><Title>Legal medicine (Tokyo, Japan)</Title><ISOAbbreviation>Leg Med (Tokyo)</ISOAbbreviation></Journal><ArticleTitle>Aerobic microbe community and necrophagous insects associated with decomposition of pig carrion poisoned with lead.</ArticleTitle><Pagination><MedlinePgn>101638</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S1344-6223(19)30305-0</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.legalmed.2019.101638</ELocationID><Abstract><AbstractText>This study investigated the effects of pig feed contaminated with lead (Pb) on the decomposition rate of pig carrion, identified the aerobic microorganisms and necrophagous insects associated with decomposing pig (Sus scrofa) carrion (above ground), and explored their potential use in the determination of post-mortem interval (PMI). The study profiled the decomposition of Sus scrofa carrion over a period of 40 days to record the effects of lead during decomposition. Fungi were identified by sub-culturing on prepared solidified potato dextrose agar and microbial identification was carried out using biochemical characterization. The decomposition rate of pigs fed with lead-contaminated feed (0.18 and 0.2 ppm) attracted insects and increased the rate of hair fall, hence at day 35, these carrion were skeletonized. The aerobic bacterial communities identified were Staphylococcus aureus, Bacillus sp. and Salmonella paratyphiwhereas the fungi identified include Fusarium sp., Cylindrocladium sp Cephalosporium sp., Scopolariopsis sp., Aspergillus sp, Mucor sp., Circinella sp., Pythium sp., Penicillium sp., Trichoderma sp., Geotrichum sp., Phytophthora sp., and Saccharomyces sp. The necrophagous insects collected consisted of three orders: Coleoptera, Diptera, and Hymenoptera which included insects like Chrysomya chloropyga Wiedemann, 1818, Musca domesticaLinnaeus, 1758, Sarcophaga exuberansPandelle, 1896, Necrobia rufipesDe Geer, 1775, Dermestes maculatusDe Geer, 1774, Camponotus sericeusFabricius, 1798 and Camponotus perrisiiForel, 1886. The activity of insect on treatments was well matched but the decomposition rate differs. Spectrophotometric analysis of insect larvae collected from decomposing pigs revealed they had presence of lead. Insect larvae and microbes identified are good entomotoxicological tools in crimes associates with lead poisoning.</AbstractText><CopyrightInformation>Copyright © 2019 Elsevier B.V. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Aneyo</LastName><ForeName>Idowu</ForeName><Initials>I</Initials><AffiliationInfo><Affiliation>Yaba College of Technology, Lagos, Nigeria. Electronic address: idowuhilda@gmail.com.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Alafia</LastName><ForeName>Oyindamola</ForeName><Initials>O</Initials><AffiliationInfo><Affiliation>Lagos State University, Ojo, Lagos, Nigeria.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Doherty</LastName><ForeName>Funmilayo</ForeName><Initials>F</Initials><AffiliationInfo><Affiliation>Yaba College of Technology, Lagos, Nigeria.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Udoma</LastName><ForeName>Roseline</ForeName><Initials>R</Initials><AffiliationInfo><Affiliation>Yaba College of Technology, Lagos, Nigeria.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Balogun</LastName><ForeName>Bukola</ForeName><Initials>B</Initials><AffiliationInfo><Affiliation>Lagos State University, Ojo, Lagos, Nigeria.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Adeola</LastName><ForeName>Abdullahi</ForeName><Initials>A</Initials><AffiliationInfo><Affiliation>Yaba College of Technology, Lagos, Nigeria.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2019</Year><Month>11</Month><Day>11</Day></ArticleDate></Article><MedlineJournalInfo><Country>Ireland</Country><MedlineTA>Leg Med (Tokyo)</MedlineTA><NlmUniqueID>100889186</NlmUniqueID><ISSNLinking>1344-6223</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000821" MajorTopicYN="Y">Animal Feed</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000818" MajorTopicYN="N">Animals</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D001420" MajorTopicYN="Y">Bacteria, Aerobic</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005506" MajorTopicYN="Y">Food Contamination</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D007313" MajorTopicYN="Y">Insecta</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D007855" MajorTopicYN="Y">Lead Poisoning</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013552" MajorTopicYN="Y">Swine</DescriptorName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Aerobic microbes</Keyword><Keyword MajorTopicYN="N">Carrion</Keyword><Keyword MajorTopicYN="N">Lead (Pb)</Keyword><Keyword MajorTopicYN="N">Necrophagous insects</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2017</Year><Month>06</Month><Day>26</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2019</Year><Month>09</Month><Day>11</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2019</Year><Month>09</Month><Day>29</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2019</Year><Month>11</Month><Day>23</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2020</Year><Month>8</Month><Day>20</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2019</Year><Month>11</Month><Day>23</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">31756651</ArticleId><ArticleId IdType="pii">S1344-6223(19)30305-0</ArticleId><ArticleId IdType="doi">10.1016/j.legalmed.2019.101638</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Nigeria</li></country></list><tree><country name="Nigeria"><noRegion><name sortKey="Aneyo, Idowu" sort="Aneyo, Idowu" uniqKey="Aneyo I" first="Idowu" last="Aneyo">Idowu Aneyo</name></noRegion><name sortKey="Adeola, Abdullahi" sort="Adeola, Abdullahi" uniqKey="Adeola A" first="Abdullahi" last="Adeola">Abdullahi Adeola</name><name sortKey="Alafia, Oyindamola" sort="Alafia, Oyindamola" uniqKey="Alafia O" first="Oyindamola" last="Alafia">Oyindamola Alafia</name><name sortKey="Balogun, Bukola" sort="Balogun, Bukola" uniqKey="Balogun B" first="Bukola" last="Balogun">Bukola Balogun</name><name sortKey="Doherty, Funmilayo" sort="Doherty, Funmilayo" uniqKey="Doherty F" first="Funmilayo" last="Doherty">Funmilayo Doherty</name><name sortKey="Udoma, Roseline" sort="Udoma, Roseline" uniqKey="Udoma R" first="Roseline" last="Udoma">Roseline Udoma</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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