Coat color alterations over the years and their association with growth performances in the Menz sheep central nucleus and community-based breeding programs
In the traditional Menz sheep breeding, communities select against black coat color and therefore its frequency is declining over time. We hypothesize that this exercise is causing the loss of an important gene pool. Data collected from on-station Menz sheep nucleus ( n = 1992) and community-based...
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| creator | Getachew, Tesfaye Abebe, Ayele Gizaw, Solomon Rischkowsky, Barbara Bisrat, Asfaw Haile, Aynalem |
| description | In the traditional Menz sheep breeding, communities select against black coat color and therefore its frequency is declining over time. We hypothesize that this exercise is causing the loss of an important gene pool. Data collected from on-station Menz sheep nucleus (
n
= 1992) and community-based breeding program (CBBP) (
n
= 5578) were analyzed to (1) assess color proportion dynamics over years and (2) associate phenotypic performances and estimated breeding values (EBVs) for growth traits with coat color of the animals. The on-station nucleus considered growth trait as selection criteria, while CBBP focused on a combination of growth and morphological characters. The results showed that the proportion of black coat color increased across years in the on-station nucleus flock (2.1% per year). However, in the CBBP, flocks’ proportion of black coat color declined over time (1.03–1.05% per year). Birth and growth traits of black-colored sheep were consistently superior (
P
|
| doi_str_mv | 10.1007/s11250-020-02315-5 |
| format | Article |
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n
= 1992) and community-based breeding program (CBBP) (
n
= 5578) were analyzed to (1) assess color proportion dynamics over years and (2) associate phenotypic performances and estimated breeding values (EBVs) for growth traits with coat color of the animals. The on-station nucleus considered growth trait as selection criteria, while CBBP focused on a combination of growth and morphological characters. The results showed that the proportion of black coat color increased across years in the on-station nucleus flock (2.1% per year). However, in the CBBP, flocks’ proportion of black coat color declined over time (1.03–1.05% per year). Birth and growth traits of black-colored sheep were consistently superior (
P
< 0.05) to white-colored sheep. Mean yearling weight and EBV of black rams used in the on-station flock was 24.3 kg and 3.7 kg, respectively, while the values for white-colored sheep were 19.7 kg and 1.6 kg, respectively. This variation in growth performances of Menz sheep among different colors may be due to the linkage between color and growth performance genes. Thus, selection against black coat color in the CBBPs seems to have an adverse effect on the genetic progress of growth traits in the Menz sheep. Understanding the core reasons behind the prevailing selection against black coat color and devising measures to address them should be considered. Developing a black line targeting specific markets might also be worthy to maximize production as well as maintain qualities associated with black color.</description><identifier>ISSN: 0049-4747</identifier><identifier>EISSN: 1573-7438</identifier><identifier>DOI: 10.1007/s11250-020-02315-5</identifier><identifier>PMID: 32529602</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Agriculture ; Agriculture, Dairy & Animal Science ; Animal breeding ; Animal husbandry ; Biomedical and Life Sciences ; Breeding ; Coating ; Color ; Coloration ; Gene pool ; Horses ; Life Sciences ; Life Sciences & Biomedicine ; Regular Articles ; Science & Technology ; Sheep ; Veterinary Medicine/Veterinary Science ; Veterinary Sciences ; Zoology</subject><ispartof>Tropical animal health and production, 2020-11, Vol.52 (6), p.2977-2985</ispartof><rights>Springer Nature B.V. 2020</rights><rights>Springer Nature B.V. 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>true</woscitedreferencessubscribed><woscitedreferencescount>10</woscitedreferencescount><woscitedreferencesoriginalsourcerecordid>wos000539954100001</woscitedreferencesoriginalsourcerecordid><citedby>FETCH-LOGICAL-c375t-6adbcff4077d5e438d163b3d1cdf110ff1c90b2263385fdf1cc3094ba410c8b3</citedby><cites>FETCH-LOGICAL-c375t-6adbcff4077d5e438d163b3d1cdf110ff1c90b2263385fdf1cc3094ba410c8b3</cites><orcidid>0000-0002-0544-6314</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11250-020-02315-5$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11250-020-02315-5$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>315,782,786,27933,27934,28257,41497,42566,51328</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/32529602$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Getachew, Tesfaye</creatorcontrib><creatorcontrib>Abebe, Ayele</creatorcontrib><creatorcontrib>Gizaw, Solomon</creatorcontrib><creatorcontrib>Rischkowsky, Barbara</creatorcontrib><creatorcontrib>Bisrat, Asfaw</creatorcontrib><creatorcontrib>Haile, Aynalem</creatorcontrib><title>Coat color alterations over the years and their association with growth performances in the Menz sheep central nucleus and community-based breeding programs</title><title>Tropical animal health and production</title><addtitle>Trop Anim Health Prod</addtitle><addtitle>TROP ANIM HEALTH PRO</addtitle><addtitle>Trop Anim Health Prod</addtitle><description>In the traditional Menz sheep breeding, communities select against black coat color and therefore its frequency is declining over time. We hypothesize that this exercise is causing the loss of an important gene pool. Data collected from on-station Menz sheep nucleus (
n
= 1992) and community-based breeding program (CBBP) (
n
= 5578) were analyzed to (1) assess color proportion dynamics over years and (2) associate phenotypic performances and estimated breeding values (EBVs) for growth traits with coat color of the animals. The on-station nucleus considered growth trait as selection criteria, while CBBP focused on a combination of growth and morphological characters. The results showed that the proportion of black coat color increased across years in the on-station nucleus flock (2.1% per year). However, in the CBBP, flocks’ proportion of black coat color declined over time (1.03–1.05% per year). Birth and growth traits of black-colored sheep were consistently superior (
P
< 0.05) to white-colored sheep. Mean yearling weight and EBV of black rams used in the on-station flock was 24.3 kg and 3.7 kg, respectively, while the values for white-colored sheep were 19.7 kg and 1.6 kg, respectively. This variation in growth performances of Menz sheep among different colors may be due to the linkage between color and growth performance genes. Thus, selection against black coat color in the CBBPs seems to have an adverse effect on the genetic progress of growth traits in the Menz sheep. Understanding the core reasons behind the prevailing selection against black coat color and devising measures to address them should be considered. Developing a black line targeting specific markets might also be worthy to maximize production as well as maintain qualities associated with black color.</description><subject>Agriculture</subject><subject>Agriculture, Dairy & Animal Science</subject><subject>Animal breeding</subject><subject>Animal husbandry</subject><subject>Biomedical and Life Sciences</subject><subject>Breeding</subject><subject>Coating</subject><subject>Color</subject><subject>Coloration</subject><subject>Gene pool</subject><subject>Horses</subject><subject>Life Sciences</subject><subject>Life Sciences & Biomedicine</subject><subject>Regular Articles</subject><subject>Science & Technology</subject><subject>Sheep</subject><subject>Veterinary Medicine/Veterinary Science</subject><subject>Veterinary Sciences</subject><subject>Zoology</subject><issn>0049-4747</issn><issn>1573-7438</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>AOWDO</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNqNkd-K1DAUxoMo7rj6Al5IwBthqZ4kTdNeSvEfrHiz9yVNT2eytMmYpA7js-zDmpmuK3ghBsIh4fd9OScfIS8ZvGUA6l1kjEsogJ-2YLKQj8iGSSUKVYr6MdkAlE1RqlJdkGcx3gJkWV09JReCS95UwDfkrvU6UeMnH6ieEgadrHeR-h8YaNohPaIOkWo3nE42QzF6Y88UPdi0o9vgD7nsMYw-zNoZjNS6s_Yrup807hD31KBLQU_ULWbCZTU0fp4XZ9Ox6HXEgfYBcbBuS_fBb4Oe43PyZNRTxBf39ZLcfPxw034urr99-tK-vy6MUDIVlR56M44lKDVIzKMPrBK9GJgZRsZgHJlpoOe8EqKWY74zRkBT9rpkYOpeXJI3q21-9_uCMXWzjQanSTv0S-x4yXjTAKt4Rl__hd76JbjcXKYUU5Xgqs4UXykTfIwBx24f7KzDsWPQnaLr1ui6HF13jq6TWfTq3nrpZxweJL-zykC9Agfs_RiNxfzXDxgASNE0Ms-UF2ttOmfU-sWlLL36f2mmxUrHTLgthj9D_qP_X3lEyA8</recordid><startdate>20201101</startdate><enddate>20201101</enddate><creator>Getachew, Tesfaye</creator><creator>Abebe, Ayele</creator><creator>Gizaw, Solomon</creator><creator>Rischkowsky, Barbara</creator><creator>Bisrat, Asfaw</creator><creator>Haile, Aynalem</creator><general>Springer Netherlands</general><general>Springer Nature</general><general>Springer Nature B.V</general><scope>AOWDO</scope><scope>BLEPL</scope><scope>DTL</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QL</scope><scope>7T7</scope><scope>7U7</scope><scope>7U9</scope><scope>7X2</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8AO</scope><scope>8C1</scope><scope>8FD</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>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>H94</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>LK8</scope><scope>M0K</scope><scope>M0S</scope><scope>M1P</scope><scope>M7N</scope><scope>M7P</scope><scope>P64</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-0544-6314</orcidid></search><sort><creationdate>20201101</creationdate><title>Coat color alterations over the years and their association with growth performances in the Menz sheep central nucleus and community-based breeding programs</title><author>Getachew, Tesfaye ; Abebe, Ayele ; Gizaw, Solomon ; Rischkowsky, Barbara ; Bisrat, Asfaw ; Haile, Aynalem</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c375t-6adbcff4077d5e438d163b3d1cdf110ff1c90b2263385fdf1cc3094ba410c8b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Agriculture</topic><topic>Agriculture, Dairy & Animal Science</topic><topic>Animal breeding</topic><topic>Animal husbandry</topic><topic>Biomedical and Life Sciences</topic><topic>Breeding</topic><topic>Coating</topic><topic>Color</topic><topic>Coloration</topic><topic>Gene pool</topic><topic>Horses</topic><topic>Life Sciences</topic><topic>Life Sciences & Biomedicine</topic><topic>Regular Articles</topic><topic>Science & Technology</topic><topic>Sheep</topic><topic>Veterinary Medicine/Veterinary Science</topic><topic>Veterinary Sciences</topic><topic>Zoology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Getachew, Tesfaye</creatorcontrib><creatorcontrib>Abebe, Ayele</creatorcontrib><creatorcontrib>Gizaw, Solomon</creatorcontrib><creatorcontrib>Rischkowsky, Barbara</creatorcontrib><creatorcontrib>Bisrat, Asfaw</creatorcontrib><creatorcontrib>Haile, Aynalem</creatorcontrib><collection>Web of Science - 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Academic</collection><jtitle>Tropical animal health and production</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Getachew, Tesfaye</au><au>Abebe, Ayele</au><au>Gizaw, Solomon</au><au>Rischkowsky, Barbara</au><au>Bisrat, Asfaw</au><au>Haile, Aynalem</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Coat color alterations over the years and their association with growth performances in the Menz sheep central nucleus and community-based breeding programs</atitle><jtitle>Tropical animal health and production</jtitle><stitle>Trop Anim Health Prod</stitle><stitle>TROP ANIM HEALTH PRO</stitle><addtitle>Trop Anim Health Prod</addtitle><date>2020-11-01</date><risdate>2020</risdate><volume>52</volume><issue>6</issue><spage>2977</spage><epage>2985</epage><pages>2977-2985</pages><issn>0049-4747</issn><eissn>1573-7438</eissn><abstract>In the traditional Menz sheep breeding, communities select against black coat color and therefore its frequency is declining over time. We hypothesize that this exercise is causing the loss of an important gene pool. Data collected from on-station Menz sheep nucleus (
n
= 1992) and community-based breeding program (CBBP) (
n
= 5578) were analyzed to (1) assess color proportion dynamics over years and (2) associate phenotypic performances and estimated breeding values (EBVs) for growth traits with coat color of the animals. The on-station nucleus considered growth trait as selection criteria, while CBBP focused on a combination of growth and morphological characters. The results showed that the proportion of black coat color increased across years in the on-station nucleus flock (2.1% per year). However, in the CBBP, flocks’ proportion of black coat color declined over time (1.03–1.05% per year). Birth and growth traits of black-colored sheep were consistently superior (
P
< 0.05) to white-colored sheep. Mean yearling weight and EBV of black rams used in the on-station flock was 24.3 kg and 3.7 kg, respectively, while the values for white-colored sheep were 19.7 kg and 1.6 kg, respectively. This variation in growth performances of Menz sheep among different colors may be due to the linkage between color and growth performance genes. Thus, selection against black coat color in the CBBPs seems to have an adverse effect on the genetic progress of growth traits in the Menz sheep. Understanding the core reasons behind the prevailing selection against black coat color and devising measures to address them should be considered. Developing a black line targeting specific markets might also be worthy to maximize production as well as maintain qualities associated with black color.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><pmid>32529602</pmid><doi>10.1007/s11250-020-02315-5</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0002-0544-6314</orcidid></addata></record> |
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| subjects | Agriculture Agriculture, Dairy & Animal Science Animal breeding Animal husbandry Biomedical and Life Sciences Breeding Coating Color Coloration Gene pool Horses Life Sciences Life Sciences & Biomedicine Regular Articles Science & Technology Sheep Veterinary Medicine/Veterinary Science Veterinary Sciences Zoology |
| title | Coat color alterations over the years and their association with growth performances in the Menz sheep central nucleus and community-based breeding programs |
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