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Subjects genetic variation Remove constraint genetic variation: genetic variation Subjects genetic correlation Remove constraint genetic correlation: genetic correlation Year 2009 Remove constraint 2009: 2009

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1. A Comparison of Mixed-Model Analyses of the Iowa Crop Performance Test for Corn

Description:: Includes references
Author:: So, Yoon-Sup , Edwards, Jode
Subject:: Zea mays , corn , variety trials , cultivars , environmental factors , data analysis , statistical analysis , accuracy , genetic variance , genetic variation , genotype-environment interaction , genetic correlation , grain yield , Iowa
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2009

2. Genetic and environmental factors that affect gestation length in dairy cattle

Description:: Includes references
Author:: Norman, H.D. , Wright, J.R. , Kuhn, M.T. , Hubbard, S.M. , Cole, J.B. , VanRaden, P.M.
Subject:: dairy cattle , pregnancy , genetic variation , environmental factors , calving , dairy breeds , breed differences , parity (reproduction) , animal age , lactation , milk yield , sires , litter size , sex ratio , genetic correlation , genes , prediction , fetal death , ease of birth
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2009

3. Genetic evaluation of lactation persistency for five breeds of dairy cattle

Description:: Includes references
Author:: Cole, J.B. , Null, D.J.
Subject:: dairy cattle , lactation , dairy breeds , genetic variation , regression analysis , breed differences , milk yield , phenotype , phenotypic correlation , genetic correlation , breeding value , milk fat percentage , milk protein percentage , somatic cell count , equations
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2009

4. Invited Review: Research contributions from seventy-five years of breeding Line 1 Hereford cattle at Miles City, Montana

Description:: Includes references
Author:: MacNeil, M.D.
Subject:: beef cattle , Hereford , literature reviews , animal breeding , heterosis , inbred lines , animal genetic resources , genetic improvement , germplasm , heritability , genetic correlation , maternal effect , genetic variation , diallel analysis , inbreeding , inbreeding depression , genotype-environment interaction , bacterial artificial chromosomes , DNA libraries , genome , Montana , Florida
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2009