Comparing the phenotypic susceptibility of Pelibuey and Katahdin female lambs against natural gastrointestinal nematode infections under hot humid tropical conditions
This study compared the phenotypic susceptibility of Pelibuey and Katahdin female lambs against gastrointestinal nematodes (GINs) under grazing conditions in the hot humid tropics of Mexico. The study was performed during the rainy season (August to October, 2014). It included 27 Pelibuey and 12 Kat...
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| Veröffentlicht in: | Parasitology research (1987) 2017-06, Vol.116 (6), p.1627-1636 |
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| container_title | Parasitology research (1987) |
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| creator | Palomo-Couoh, J. G. Aguilar-Caballero, A. J. Torres-Acosta, J. F. J. González-Garduño, R. |
| description | This study compared the phenotypic susceptibility of Pelibuey and Katahdin female lambs against gastrointestinal nematodes (GINs) under grazing conditions in the hot humid tropics of Mexico. The study was performed during the rainy season (August to October, 2014). It included 27 Pelibuey and 12 Katahdin female lambs from 6 months of age and live weight of 21.0 ± 3.7 and 23.3 ± 3.6 kg, respectively. Lambs were reared free of GIN infection before the study. The study lasted 91 days. Animals were weighed and sampled (blood and feces) on days 0 and 28 and every 7 days onwards. Fecal samples were obtained to determine fecal eggs of GIN per gram (EPG), and blood samples were used to determine the packed cell volume (PCV), the peripheral eosinophil counts (PECs), and optical densities (ODs) for IgA. The EPG counts were significantly lower for Pelibuey lambs compared to Katahdin throughout the study (
P
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| doi_str_mv | 10.1007/s00436-017-5437-7 |
| format | Article |
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P
< 0.001). Similarly, Pelibuey lambs had higher mean PCV (
P
< 0.01) and PEC (
P
< 0.05) than Katahdin lambs during the study. The total weight gain and OD for IgA were similar between breeds (
P
> 0.05). Negative associations (
P
< 0.05) between EPG and PCV or PEC were moderate to strong for the lambs of both breeds. No association was found between EPG and IgA. In conclusion, Pelibuey lambs showed phenotypic evidence of higher resistance to natural GIN infections compared to Katahdin lambs sharing the same grazing conditions in the hot humid tropics. The most accurate phenotypic markers to identify a difference in susceptibility were EPG and PEC.</description><identifier>ISSN: 0932-0113</identifier><identifier>EISSN: 1432-1955</identifier><identifier>DOI: 10.1007/s00436-017-5437-7</identifier><identifier>PMID: 28365814</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Animals ; Anthelmintics ; Biomedical and Life Sciences ; Biomedicine ; Cell size ; Eggs ; Eosinophils ; Feces - parasitology ; Female ; Gastrointestinal Diseases - genetics ; Gastrointestinal Diseases - parasitology ; Gastrointestinal Diseases - veterinary ; Genetic Predisposition to Disease ; Genetic susceptibility ; Grazing ; Hematocrit - veterinary ; Immunoglobulin A ; Immunology ; Intestinal parasites ; Leukocytes (eosinophilic) ; Medical Microbiology ; Mexico ; Microbiology ; Nematoda ; Nematode Infections - genetics ; Nematode Infections - veterinary ; Original Paper ; Parasite Egg Count - veterinary ; Rain ; Sheep ; Sheep Diseases - genetics ; Sheep Diseases - parasitology ; Tropical Climate</subject><ispartof>Parasitology research (1987), 2017-06, Vol.116 (6), p.1627-1636</ispartof><rights>Springer-Verlag Berlin Heidelberg 2017</rights><rights>COPYRIGHT 2017 Springer</rights><rights>Copyright Springer Science & Business Media 2017</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c439t-83fb85e5fab3b845956ec9a816bf0aff2b0477c76dc883db063076ed446926c63</citedby><cites>FETCH-LOGICAL-c439t-83fb85e5fab3b845956ec9a816bf0aff2b0477c76dc883db063076ed446926c63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00436-017-5437-7$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00436-017-5437-7$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,778,782,27911,27912,41475,42544,51306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/28365814$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Palomo-Couoh, J. G.</creatorcontrib><creatorcontrib>Aguilar-Caballero, A. J.</creatorcontrib><creatorcontrib>Torres-Acosta, J. F. J.</creatorcontrib><creatorcontrib>González-Garduño, R.</creatorcontrib><title>Comparing the phenotypic susceptibility of Pelibuey and Katahdin female lambs against natural gastrointestinal nematode infections under hot humid tropical conditions</title><title>Parasitology research (1987)</title><addtitle>Parasitol Res</addtitle><addtitle>Parasitol Res</addtitle><description>This study compared the phenotypic susceptibility of Pelibuey and Katahdin female lambs against gastrointestinal nematodes (GINs) under grazing conditions in the hot humid tropics of Mexico. The study was performed during the rainy season (August to October, 2014). It included 27 Pelibuey and 12 Katahdin female lambs from 6 months of age and live weight of 21.0 ± 3.7 and 23.3 ± 3.6 kg, respectively. Lambs were reared free of GIN infection before the study. The study lasted 91 days. Animals were weighed and sampled (blood and feces) on days 0 and 28 and every 7 days onwards. Fecal samples were obtained to determine fecal eggs of GIN per gram (EPG), and blood samples were used to determine the packed cell volume (PCV), the peripheral eosinophil counts (PECs), and optical densities (ODs) for IgA. The EPG counts were significantly lower for Pelibuey lambs compared to Katahdin throughout the study (
P
< 0.001). Similarly, Pelibuey lambs had higher mean PCV (
P
< 0.01) and PEC (
P
< 0.05) than Katahdin lambs during the study. The total weight gain and OD for IgA were similar between breeds (
P
> 0.05). Negative associations (
P
< 0.05) between EPG and PCV or PEC were moderate to strong for the lambs of both breeds. No association was found between EPG and IgA. In conclusion, Pelibuey lambs showed phenotypic evidence of higher resistance to natural GIN infections compared to Katahdin lambs sharing the same grazing conditions in the hot humid tropics. The most accurate phenotypic markers to identify a difference in susceptibility were EPG and PEC.</description><subject>Animals</subject><subject>Anthelmintics</subject><subject>Biomedical and Life Sciences</subject><subject>Biomedicine</subject><subject>Cell size</subject><subject>Eggs</subject><subject>Eosinophils</subject><subject>Feces - parasitology</subject><subject>Female</subject><subject>Gastrointestinal Diseases - genetics</subject><subject>Gastrointestinal Diseases - parasitology</subject><subject>Gastrointestinal Diseases - veterinary</subject><subject>Genetic Predisposition to Disease</subject><subject>Genetic susceptibility</subject><subject>Grazing</subject><subject>Hematocrit - veterinary</subject><subject>Immunoglobulin A</subject><subject>Immunology</subject><subject>Intestinal parasites</subject><subject>Leukocytes (eosinophilic)</subject><subject>Medical Microbiology</subject><subject>Mexico</subject><subject>Microbiology</subject><subject>Nematoda</subject><subject>Nematode Infections - genetics</subject><subject>Nematode Infections - veterinary</subject><subject>Original Paper</subject><subject>Parasite Egg Count - veterinary</subject><subject>Rain</subject><subject>Sheep</subject><subject>Sheep Diseases - genetics</subject><subject>Sheep Diseases - parasitology</subject><subject>Tropical Climate</subject><issn>0932-0113</issn><issn>1432-1955</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1ks2OFCEUhStG47SjD-DGkLhxUyMUFFDLSce_OIkudE0ouHQzqYISqEW_kM8pZY-_0bCA3Hzn5N7LaZqnBF8RjMXLjDGjvMVEtD2johX3mh1htGvJ0Pf3mx0e6hsTQi-aRznf4gpyxh42F52kvJeE7Zqv-zgvOvlwQOUIaDlCiOW0eIPymg0sxY9-8uWEokMfYfLjCiekg0XvddFH6wNyMOsJ0KTnMSN90D7kgoIua9ITOuhcUvShQC4-1EKodIkWkA8OTPExZLQGCwkdY0HHdfYWVUVtoMImBuu_M4-bB05PGZ7c3ZfN59evPu3ftjcf3rzbX9-0htGhtJK6UfbQOz3SUbJ-6DmYQUvCR4e1c92ImRBGcGukpHbEnGLBwTLGh44bTi-bF2ffJcUva21azb6uYZp0gLhmRapM0oEKWdHnf6G3cU11xo0aJBOsY-IXdahLUnXoWJI2m6m67ns8VEO8eV39g6rHwuzrFsD5Wv9DQM4Ck2LOCZxakp91OimC1ZYNdc6Gql-utmyorZVndw2v4wz2p-JHGCrQnYG8bIGA9NtE_3X9BlQVxxc</recordid><startdate>20170601</startdate><enddate>20170601</enddate><creator>Palomo-Couoh, J. G.</creator><creator>Aguilar-Caballero, A. J.</creator><creator>Torres-Acosta, J. F. J.</creator><creator>González-Garduño, R.</creator><general>Springer Berlin Heidelberg</general><general>Springer</general><general>Springer Nature B.V</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>7X8</scope></search><sort><creationdate>20170601</creationdate><title>Comparing the phenotypic susceptibility of Pelibuey and Katahdin female lambs against natural gastrointestinal nematode infections under hot humid tropical conditions</title><author>Palomo-Couoh, J. G. ; Aguilar-Caballero, A. J. ; Torres-Acosta, J. F. J. ; González-Garduño, R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c439t-83fb85e5fab3b845956ec9a816bf0aff2b0477c76dc883db063076ed446926c63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Animals</topic><topic>Anthelmintics</topic><topic>Biomedical and Life Sciences</topic><topic>Biomedicine</topic><topic>Cell size</topic><topic>Eggs</topic><topic>Eosinophils</topic><topic>Feces - parasitology</topic><topic>Female</topic><topic>Gastrointestinal Diseases - genetics</topic><topic>Gastrointestinal Diseases - parasitology</topic><topic>Gastrointestinal Diseases - veterinary</topic><topic>Genetic Predisposition to Disease</topic><topic>Genetic susceptibility</topic><topic>Grazing</topic><topic>Hematocrit - veterinary</topic><topic>Immunoglobulin A</topic><topic>Immunology</topic><topic>Intestinal parasites</topic><topic>Leukocytes (eosinophilic)</topic><topic>Medical Microbiology</topic><topic>Mexico</topic><topic>Microbiology</topic><topic>Nematoda</topic><topic>Nematode Infections - genetics</topic><topic>Nematode Infections - veterinary</topic><topic>Original Paper</topic><topic>Parasite Egg Count - veterinary</topic><topic>Rain</topic><topic>Sheep</topic><topic>Sheep Diseases - genetics</topic><topic>Sheep Diseases - parasitology</topic><topic>Tropical Climate</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Palomo-Couoh, J. G.</creatorcontrib><creatorcontrib>Aguilar-Caballero, A. J.</creatorcontrib><creatorcontrib>Torres-Acosta, J. F. J.</creatorcontrib><creatorcontrib>González-Garduño, R.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Parasitology research (1987)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Palomo-Couoh, J. G.</au><au>Aguilar-Caballero, A. J.</au><au>Torres-Acosta, J. F. J.</au><au>González-Garduño, R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Comparing the phenotypic susceptibility of Pelibuey and Katahdin female lambs against natural gastrointestinal nematode infections under hot humid tropical conditions</atitle><jtitle>Parasitology research (1987)</jtitle><stitle>Parasitol Res</stitle><addtitle>Parasitol Res</addtitle><date>2017-06-01</date><risdate>2017</risdate><volume>116</volume><issue>6</issue><spage>1627</spage><epage>1636</epage><pages>1627-1636</pages><issn>0932-0113</issn><eissn>1432-1955</eissn><abstract>This study compared the phenotypic susceptibility of Pelibuey and Katahdin female lambs against gastrointestinal nematodes (GINs) under grazing conditions in the hot humid tropics of Mexico. The study was performed during the rainy season (August to October, 2014). It included 27 Pelibuey and 12 Katahdin female lambs from 6 months of age and live weight of 21.0 ± 3.7 and 23.3 ± 3.6 kg, respectively. Lambs were reared free of GIN infection before the study. The study lasted 91 days. Animals were weighed and sampled (blood and feces) on days 0 and 28 and every 7 days onwards. Fecal samples were obtained to determine fecal eggs of GIN per gram (EPG), and blood samples were used to determine the packed cell volume (PCV), the peripheral eosinophil counts (PECs), and optical densities (ODs) for IgA. The EPG counts were significantly lower for Pelibuey lambs compared to Katahdin throughout the study (
P
< 0.001). Similarly, Pelibuey lambs had higher mean PCV (
P
< 0.01) and PEC (
P
< 0.05) than Katahdin lambs during the study. The total weight gain and OD for IgA were similar between breeds (
P
> 0.05). Negative associations (
P
< 0.05) between EPG and PCV or PEC were moderate to strong for the lambs of both breeds. No association was found between EPG and IgA. In conclusion, Pelibuey lambs showed phenotypic evidence of higher resistance to natural GIN infections compared to Katahdin lambs sharing the same grazing conditions in the hot humid tropics. The most accurate phenotypic markers to identify a difference in susceptibility were EPG and PEC.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><pmid>28365814</pmid><doi>10.1007/s00436-017-5437-7</doi><tpages>10</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0932-0113 |
| ispartof | Parasitology research (1987), 2017-06, Vol.116 (6), p.1627-1636 |
| issn | 0932-0113 1432-1955 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1883839378 |
| source | MEDLINE; Springer Nature - Complete Springer Journals |
| subjects | Animals Anthelmintics Biomedical and Life Sciences Biomedicine Cell size Eggs Eosinophils Feces - parasitology Female Gastrointestinal Diseases - genetics Gastrointestinal Diseases - parasitology Gastrointestinal Diseases - veterinary Genetic Predisposition to Disease Genetic susceptibility Grazing Hematocrit - veterinary Immunoglobulin A Immunology Intestinal parasites Leukocytes (eosinophilic) Medical Microbiology Mexico Microbiology Nematoda Nematode Infections - genetics Nematode Infections - veterinary Original Paper Parasite Egg Count - veterinary Rain Sheep Sheep Diseases - genetics Sheep Diseases - parasitology Tropical Climate |
| title | Comparing the phenotypic susceptibility of Pelibuey and Katahdin female lambs against natural gastrointestinal nematode infections under hot humid tropical conditions |
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