Animal model estimation of genetic parameters and response to selection for litter size and weight, growth, and backfat in closed seedstock populations of Large White and Landrace swine
Records from 2,495 litters and 14,605 Landrace and Large White pigs from two farms, but established from the same base population and run as replicated selection lines, were analyzed 0 0. Selection within herd was on estimated breeding values weighted by economic values. Animal models and REML proce...
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| Veröffentlicht in: | Journal of animal science 1993-04, Vol.71 (4), p.850-858 |
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| creator | Ferraz, J. B Johnson, R. K |
| description | Records from 2,495 litters and 14,605 Landrace and Large White pigs from two farms, but established from the same base population and run as replicated selection lines, were analyzed 0 0. Selection within herd was on estimated breeding values weighted by economic values. Animal models and REML procedures were used to estimate genetic, phenotypic, and environmental parameters for the number of pigs born alive (NBA), litter weight at 21 d (LW), average daily gain from approximately 30 to 104 kg (ADG), and backfat thickness adjusted to 104 kg (BF). Random animal genetic effects (o), permanent (NBA and LW) or litter (ADG and BF) environmental effects, maternal genetic effects (m), and the covariance between o and m were sequentially added to the model. Estimates of total heritability calculated from all data (...) ranged from 0.01 to 0.14 for NBA, from 0.18 to 0.22 for LW, from 0.23 to 0.34 for ADG, and from 0.40 to 0.50 for BF. Maternal genetic variance was from 2.4 to 3.8% of phenotypic variance in NBA, from 1.2 to 3.6% in LW, from 0.5 to 1.5% in ADG, and from 1.9 to 3.4% in BF. The correlation between o and m was -.07 for NBA, -.25 for LW, -.34 for ADG, and -.26 for BF. Permanent environmental effects explained from 16 to 17% of total phenotypic variation for NBA and from 1.6 to 5.3% for LW. Approximately 7% of the variation in ADG and 5% in BF was due to litter environmental effects. Genetic trends were 0.012 pigs/yr for NBA, 0.25 kg/yr for LW, 5.91 g/yr for ADG, and -.063 mm/yr for BF. |
| doi_str_mv | 10.2527/1993.714850x |
| format | Article |
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B ; Johnson, R. K</creator><creatorcontrib>Ferraz, J. B ; Johnson, R. K ; Universidade de Sao Paulo, Pirassununga, SP, Brasil</creatorcontrib><description>Records from 2,495 litters and 14,605 Landrace and Large White pigs from two farms, but established from the same base population and run as replicated selection lines, were analyzed 0 0. Selection within herd was on estimated breeding values weighted by economic values. Animal models and REML procedures were used to estimate genetic, phenotypic, and environmental parameters for the number of pigs born alive (NBA), litter weight at 21 d (LW), average daily gain from approximately 30 to 104 kg (ADG), and backfat thickness adjusted to 104 kg (BF). Random animal genetic effects (o), permanent (NBA and LW) or litter (ADG and BF) environmental effects, maternal genetic effects (m), and the covariance between o and m were sequentially added to the model. Estimates of total heritability calculated from all data (...) ranged from 0.01 to 0.14 for NBA, from 0.18 to 0.22 for LW, from 0.23 to 0.34 for ADG, and from 0.40 to 0.50 for BF. Maternal genetic variance was from 2.4 to 3.8% of phenotypic variance in NBA, from 1.2 to 3.6% in LW, from 0.5 to 1.5% in ADG, and from 1.9 to 3.4% in BF. The correlation between o and m was -.07 for NBA, -.25 for LW, -.34 for ADG, and -.26 for BF. Permanent environmental effects explained from 16 to 17% of total phenotypic variation for NBA and from 1.6 to 5.3% for LW. Approximately 7% of the variation in ADG and 5% in BF was due to litter environmental effects. Genetic trends were 0.012 pigs/yr for NBA, 0.25 kg/yr for LW, 5.91 g/yr for ADG, and -.063 mm/yr for BF.</description><identifier>ISSN: 0021-8812</identifier><identifier>EISSN: 1525-3163</identifier><identifier>DOI: 10.2527/1993.714850x</identifier><identifier>PMID: 8478287</identifier><language>eng</language><publisher>Savoy, IL: Am Soc Animal Sci</publisher><subject>Adipose Tissue - growth & development ; adipose tissues ; Animal populations ; Animals ; Biological and medical sciences ; biological differences ; Body Weight - genetics ; Breeding ; breeding value ; cerdo ; diferencias biologicas ; difference biologique ; evaluacion de sementales ; evaluation genetique des peres ; Female ; fenotipos ; Food industries ; Fundamental and applied biological sciences. Psychology ; gain de poids ; ganancia de peso ; genetic parameters ; genetica ; Genetics ; genetique ; gestation multiple ; Hogs ; Likelihood Functions ; litter size ; Litter Size - genetics ; Male ; Meat and meat product industries ; Models, Genetic ; multiple births ; parametre genetique ; parametros geneticos ; Parity ; partos multiples ; peso ; Phenotype ; phenotypes ; poids ; porcin ; sire evaluation ; swine ; Swine - genetics ; Swine - growth & development ; taille de la portee ; tamano de la camada ; tejido adiposo ; tendance ; tendencias ; tissu adipeux ; trends ; valeur genetique ; valor genetico ; weight ; weight gain ; Weight Gain - genetics</subject><ispartof>Journal of animal science, 1993-04, Vol.71 (4), p.850-858</ispartof><rights>1993 INIST-CNRS</rights><rights>Copyright American Society of Animal Science Apr 1993</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,778,782,27907,27908</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=4730673$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/8478287$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Ferraz, J. B</creatorcontrib><creatorcontrib>Johnson, R. K</creatorcontrib><creatorcontrib>Universidade de Sao Paulo, Pirassununga, SP, Brasil</creatorcontrib><title>Animal model estimation of genetic parameters and response to selection for litter size and weight, growth, and backfat in closed seedstock populations of Large White and Landrace swine</title><title>Journal of animal science</title><addtitle>J Anim Sci</addtitle><description>Records from 2,495 litters and 14,605 Landrace and Large White pigs from two farms, but established from the same base population and run as replicated selection lines, were analyzed 0 0. Selection within herd was on estimated breeding values weighted by economic values. Animal models and REML procedures were used to estimate genetic, phenotypic, and environmental parameters for the number of pigs born alive (NBA), litter weight at 21 d (LW), average daily gain from approximately 30 to 104 kg (ADG), and backfat thickness adjusted to 104 kg (BF). Random animal genetic effects (o), permanent (NBA and LW) or litter (ADG and BF) environmental effects, maternal genetic effects (m), and the covariance between o and m were sequentially added to the model. Estimates of total heritability calculated from all data (...) ranged from 0.01 to 0.14 for NBA, from 0.18 to 0.22 for LW, from 0.23 to 0.34 for ADG, and from 0.40 to 0.50 for BF. Maternal genetic variance was from 2.4 to 3.8% of phenotypic variance in NBA, from 1.2 to 3.6% in LW, from 0.5 to 1.5% in ADG, and from 1.9 to 3.4% in BF. The correlation between o and m was -.07 for NBA, -.25 for LW, -.34 for ADG, and -.26 for BF. Permanent environmental effects explained from 16 to 17% of total phenotypic variation for NBA and from 1.6 to 5.3% for LW. Approximately 7% of the variation in ADG and 5% in BF was due to litter environmental effects. Genetic trends were 0.012 pigs/yr for NBA, 0.25 kg/yr for LW, 5.91 g/yr for ADG, and -.063 mm/yr for BF.</description><subject>Adipose Tissue - growth & development</subject><subject>adipose tissues</subject><subject>Animal populations</subject><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>biological differences</subject><subject>Body Weight - genetics</subject><subject>Breeding</subject><subject>breeding value</subject><subject>cerdo</subject><subject>diferencias biologicas</subject><subject>difference biologique</subject><subject>evaluacion de sementales</subject><subject>evaluation genetique des peres</subject><subject>Female</subject><subject>fenotipos</subject><subject>Food industries</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>gain de poids</subject><subject>ganancia de peso</subject><subject>genetic parameters</subject><subject>genetica</subject><subject>Genetics</subject><subject>genetique</subject><subject>gestation multiple</subject><subject>Hogs</subject><subject>Likelihood Functions</subject><subject>litter size</subject><subject>Litter Size - genetics</subject><subject>Male</subject><subject>Meat and meat product industries</subject><subject>Models, Genetic</subject><subject>multiple births</subject><subject>parametre genetique</subject><subject>parametros geneticos</subject><subject>Parity</subject><subject>partos multiples</subject><subject>peso</subject><subject>Phenotype</subject><subject>phenotypes</subject><subject>poids</subject><subject>porcin</subject><subject>sire evaluation</subject><subject>swine</subject><subject>Swine - genetics</subject><subject>Swine - growth & development</subject><subject>taille de la portee</subject><subject>tamano de la camada</subject><subject>tejido adiposo</subject><subject>tendance</subject><subject>tendencias</subject><subject>tissu adipeux</subject><subject>trends</subject><subject>valeur genetique</subject><subject>valor genetico</subject><subject>weight</subject><subject>weight gain</subject><subject>Weight Gain - genetics</subject><issn>0021-8812</issn><issn>1525-3163</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1993</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpdkkFv1DAQhSMEKkvhxhVkIeDULZnEXifHqmoBaSUOUHGMJs4k660Tp7ZXC_wz_h3D7ooDF1v2fHrPfjNZ9hLyy0IV-gPUdXmpQVYq__EoW4Aq1LKEVfk4W-R5AcuqguJp9izGbZ5DoWp1lp1VUldFpRfZ76vJjujE6DtygmLiU7J-Er4XA02UrBEzBhwpUYgCp04EirOfIonkRSRH5sD3PghnE1Mi2l90IPdkh026EEPw-7S5ONy1aO57TMJOwjgfqWMN6mLy5l7Mft65g33867_GMJD4vrHpKLfmJaAhEfd2oufZkx5dpBen_Ty7u735dv1puf7y8fP11XrZl6DSspNl2Xa1VijzDjkv1baclFRamhWhajtqe1RG1isDpuIyAMqiBk6w1iYvz7P3R905-IcdJ9SMNhpyDifyu9hotaohrxWDb_4Dt34XJn5bU0AFIGGlGXp1gnbtSF0zBw48_GxODeH621Mdo0HXB5yMjf8wqcucVRh7d8Q2nPDeBmoid9GxKDRbjBoa2fAvmXt95Hr0DQ6Bpe6-8sBIngwN7PcH_0Sxuw</recordid><startdate>19930401</startdate><enddate>19930401</enddate><creator>Ferraz, J. B</creator><creator>Johnson, R. K</creator><general>Am Soc Animal Sci</general><general>American Society of Animal Science</general><general>Oxford University Press</general><scope>FBQ</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>K9.</scope><scope>U9A</scope><scope>7X8</scope></search><sort><creationdate>19930401</creationdate><title>Animal model estimation of genetic parameters and response to selection for litter size and weight, growth, and backfat in closed seedstock populations of Large White and Landrace swine</title><author>Ferraz, J. B ; Johnson, R. K</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-f315t-d433bd975a40da5275bb8504574c6ea5bdebfa5c496c1c875b11a429116397c03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1993</creationdate><topic>Adipose Tissue - growth & development</topic><topic>adipose tissues</topic><topic>Animal populations</topic><topic>Animals</topic><topic>Biological and medical sciences</topic><topic>biological differences</topic><topic>Body Weight - genetics</topic><topic>Breeding</topic><topic>breeding value</topic><topic>cerdo</topic><topic>diferencias biologicas</topic><topic>difference biologique</topic><topic>evaluacion de sementales</topic><topic>evaluation genetique des peres</topic><topic>Female</topic><topic>fenotipos</topic><topic>Food industries</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>gain de poids</topic><topic>ganancia de peso</topic><topic>genetic parameters</topic><topic>genetica</topic><topic>Genetics</topic><topic>genetique</topic><topic>gestation multiple</topic><topic>Hogs</topic><topic>Likelihood Functions</topic><topic>litter size</topic><topic>Litter Size - genetics</topic><topic>Male</topic><topic>Meat and meat product industries</topic><topic>Models, Genetic</topic><topic>multiple births</topic><topic>parametre genetique</topic><topic>parametros geneticos</topic><topic>Parity</topic><topic>partos multiples</topic><topic>peso</topic><topic>Phenotype</topic><topic>phenotypes</topic><topic>poids</topic><topic>porcin</topic><topic>sire evaluation</topic><topic>swine</topic><topic>Swine - genetics</topic><topic>Swine - growth & development</topic><topic>taille de la portee</topic><topic>tamano de la camada</topic><topic>tejido adiposo</topic><topic>tendance</topic><topic>tendencias</topic><topic>tissu adipeux</topic><topic>trends</topic><topic>valeur genetique</topic><topic>valor genetico</topic><topic>weight</topic><topic>weight gain</topic><topic>Weight Gain - genetics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ferraz, J. B</creatorcontrib><creatorcontrib>Johnson, R. K</creatorcontrib><creatorcontrib>Universidade de Sao Paulo, Pirassununga, SP, Brasil</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of animal science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ferraz, J. B</au><au>Johnson, R. K</au><aucorp>Universidade de Sao Paulo, Pirassununga, SP, Brasil</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Animal model estimation of genetic parameters and response to selection for litter size and weight, growth, and backfat in closed seedstock populations of Large White and Landrace swine</atitle><jtitle>Journal of animal science</jtitle><addtitle>J Anim Sci</addtitle><date>1993-04-01</date><risdate>1993</risdate><volume>71</volume><issue>4</issue><spage>850</spage><epage>858</epage><pages>850-858</pages><issn>0021-8812</issn><eissn>1525-3163</eissn><abstract>Records from 2,495 litters and 14,605 Landrace and Large White pigs from two farms, but established from the same base population and run as replicated selection lines, were analyzed 0 0. Selection within herd was on estimated breeding values weighted by economic values. Animal models and REML procedures were used to estimate genetic, phenotypic, and environmental parameters for the number of pigs born alive (NBA), litter weight at 21 d (LW), average daily gain from approximately 30 to 104 kg (ADG), and backfat thickness adjusted to 104 kg (BF). Random animal genetic effects (o), permanent (NBA and LW) or litter (ADG and BF) environmental effects, maternal genetic effects (m), and the covariance between o and m were sequentially added to the model. Estimates of total heritability calculated from all data (...) ranged from 0.01 to 0.14 for NBA, from 0.18 to 0.22 for LW, from 0.23 to 0.34 for ADG, and from 0.40 to 0.50 for BF. Maternal genetic variance was from 2.4 to 3.8% of phenotypic variance in NBA, from 1.2 to 3.6% in LW, from 0.5 to 1.5% in ADG, and from 1.9 to 3.4% in BF. The correlation between o and m was -.07 for NBA, -.25 for LW, -.34 for ADG, and -.26 for BF. Permanent environmental effects explained from 16 to 17% of total phenotypic variation for NBA and from 1.6 to 5.3% for LW. Approximately 7% of the variation in ADG and 5% in BF was due to litter environmental effects. Genetic trends were 0.012 pigs/yr for NBA, 0.25 kg/yr for LW, 5.91 g/yr for ADG, and -.063 mm/yr for BF.</abstract><cop>Savoy, IL</cop><pub>Am Soc Animal Sci</pub><pmid>8478287</pmid><doi>10.2527/1993.714850x</doi><tpages>9</tpages></addata></record> |
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| subjects | Adipose Tissue - growth & development adipose tissues Animal populations Animals Biological and medical sciences biological differences Body Weight - genetics Breeding breeding value cerdo diferencias biologicas difference biologique evaluacion de sementales evaluation genetique des peres Female fenotipos Food industries Fundamental and applied biological sciences. Psychology gain de poids ganancia de peso genetic parameters genetica Genetics genetique gestation multiple Hogs Likelihood Functions litter size Litter Size - genetics Male Meat and meat product industries Models, Genetic multiple births parametre genetique parametros geneticos Parity partos multiples peso Phenotype phenotypes poids porcin sire evaluation swine Swine - genetics Swine - growth & development taille de la portee tamano de la camada tejido adiposo tendance tendencias tissu adipeux trends valeur genetique valor genetico weight weight gain Weight Gain - genetics |
| title | Animal model estimation of genetic parameters and response to selection for litter size and weight, growth, and backfat in closed seedstock populations of Large White and Landrace swine |
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