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Subjects temporal variation Remove constraint temporal variation: temporal variation Subjects genotype Remove constraint genotype: genotype Year 2009 Remove constraint 2009: 2009

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1. Age-Related Effects of Varying Ammonia Concentrations on Hematophysiological Variables in Broiler Chickens

Description:: Includes references
Author:: Olanrewaju, H.A. , Purswell, J.L. , Collier, S.D. , Branton, S.L.
Subject:: broilers , animal age , ammonia , air quality , genotype , blood gases , electrolytes , acid-base balance , blood chemistry , hematocrit , carbon dioxide , blood pH , hemoglobin , oxygen , bicarbonates , potassium , temporal variation , corticosterone
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2009

2. Influence of toxic endophyte-infected fescue on sperm characteristics and endocrine factors of yearling Brahman-influenced bulls

Description:: Includes references
Author:: Looper, M.L. , Rorie, R.W. , Person, C.N. , Lester, T.D. , Hallford, D.M. , Aiken, G.E. , Roberts, C.A. , Rottinghaus, G.E. , Rosenkrans, C.F. Jr.
Subject:: beef bulls , zebu , genotype , Festuca arundinacea , pastures , forage grasses , grazing , endophytes , ergot alkaloids , blood chemistry , spermatozoa , prolactin , cortisol , testosterone , semen , scrotum , diameter , sperm motility , velocity , temporal variation , air temperature
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2009

3. Population Genetic Structure of Aphis glycines

Description:: Includes references
Author:: Michel, Andrew P. , Zhang, Wei , Jung, Jin Kyo , Kang, Sung-Taeg , Mian, M.A. Rouf
Subject:: Aphis glycines , insect pests , plant pests , population structure , population genetics , invasive species , geographical distribution , adaptation , microsatellite repeats , genetic markers , alleles , genetic polymorphism , loci , genetic variation , heterozygosity , genotype , geographical variation , clones , temporal variation , asexual reproduction , North America , South Korea
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2009

4. Spatial and Temporal Genetic Analyses Show High Gene Flow Among European Corn Borer (Lepidoptera: Crambidae) Populations Across the Central U.S. Corn Belt

Description:: Includes references
Author:: Kim, Kyung Seok , Bagley, Mark J. , Coates, Brad S. , Hellmich, Richard L. , Sappington, Thomas W.
Subject:: Ostrinia nubilalis , insect pests , plant pests , spatial variation , temporal variation , population genetics , gene flow , geographical variation , genetic variation , genotype , microsatellite repeats , genetic distance , population dynamics , Zea mays , corn , grain crops , transgenic plants , Bacillus thuringiensis , pest resistance , genetic resistance , crystal proteins , evolution , Iowa , Corn Belt region
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