{"title":"洋卡萨羊群的选择强度和世代间隔","authors":"O. Momoh, L.N. Nwakalor, B. Abubakar, O. Osinowo","doi":"10.4314/eaafj.v68i3.1789","DOIUrl":null,"url":null,"abstract":"Selection has been a frequent quantitative genetic technique used in livestock improvement programmes. The amount of genetic improvement that can be made by selection depends on the selection applied, the heritability of the trait, the average genetic variation and covariation of all traits directly or indirectly related to the traits under selection and the average age of parents when their offspring are born.","PeriodicalId":11421,"journal":{"name":"East African Agricultural and Forestry Journal","volume":"302 1","pages":"147 - 153"},"PeriodicalIF":0.0000,"publicationDate":"2003-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Selection Intensity and Generation Interval in a Flock of Yankasa Sheep\",\"authors\":\"O. Momoh, L.N. Nwakalor, B. Abubakar, O. Osinowo\",\"doi\":\"10.4314/eaafj.v68i3.1789\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Selection has been a frequent quantitative genetic technique used in livestock improvement programmes. The amount of genetic improvement that can be made by selection depends on the selection applied, the heritability of the trait, the average genetic variation and covariation of all traits directly or indirectly related to the traits under selection and the average age of parents when their offspring are born.\",\"PeriodicalId\":11421,\"journal\":{\"name\":\"East African Agricultural and Forestry Journal\",\"volume\":\"302 1\",\"pages\":\"147 - 153\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2003-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"East African Agricultural and Forestry Journal\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.4314/eaafj.v68i3.1789\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"East African Agricultural and Forestry Journal","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.4314/eaafj.v68i3.1789","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Selection Intensity and Generation Interval in a Flock of Yankasa Sheep
Selection has been a frequent quantitative genetic technique used in livestock improvement programmes. The amount of genetic improvement that can be made by selection depends on the selection applied, the heritability of the trait, the average genetic variation and covariation of all traits directly or indirectly related to the traits under selection and the average age of parents when their offspring are born.
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