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Year 2009 Remove constraint 2009: 2009 Subjects genetic variation Remove constraint genetic variation: genetic variation Subjects breed differences Remove constraint breed differences: breed differences

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1. A Genome Wide Survey of SNP Variation Reveals the Genetic Structure of Sheep Breeds

Description:: Includes references
Author:: Kijas, James W. , Townley, David , Dalrymple, Brian P. , Heaton, Michael P. , Maddox, Jillian F. , McGrath, Annette , Wilson, Peter , Ingersoll, Roxann G. , McCulloch, Russell , McWilliam, Sean , Tang, Dave , McEwan, John , Cockett, Noelle , Oddy, V. Hutton , Nicholas, Frank W. , Raadsma, Herman
Subject:: sheep , sheep breeds , genetic variation , single nucleotide polymorphism , genome , genomics , geographical variation , breed differences , zoogeography
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2009

2. Genebank development for the conservation of livestock genetic resources in the United States of America

Description:: In the special issue: Animal genetic resources / edited by Ricardo A. Cardellino.
Author:: Blackburn, H.D.
Subject:: livestock , animal genetic resources , germplasm conservation , cryopreservation , genetic variation , gene banks , DNA libraries , breed differences , literature reviews , genetic distance , genetic markers , milk yield , milk protein percentage , genetic merit , quantitative trait loci
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2009

3. 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

4. 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

5. Technical Note: The relationship between heart rate and energy expenditure in growing crossbred Boer and Spanish wethers

Description:: Includes references
Author:: Puchala, R. , Tovar-Luna, I. , Sahlu, T. , Freetly, H.C. , Goetsch, A.L.
Subject:: goats , heart rate , energy expenditure , genotype , genetic variation , sheep feeding , diurnal variation , ad libitum feeding , feed rations , feed deprivation , breed differences , temporal variation , Spanish (goat breed) , Boer , animal feeding
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2009