Search Results - "Tempelman, R.J."

Harnessing the genetics of the modern dairy cow to continue improvements in feed efficiency by VandeHaar, M J, Armentano, L E, Weigel, K, Spurlock, D M, Tempelman, R J, Veerkamp, R

“…Feed efficiency, as defined by the fraction of feed energy or dry matter captured in products, has more than doubled for the US dairy industry in the past 100…”
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Assessing different cross-validation schemes for predicting novel traits using sensor data: An application to dry matter intake and residual feed intake using milk spectral data by Yilmaz Adkinson, A., Abouhawwash, M., VandeHaar, M.J., Parker Gaddis, K.L., Burchard, J., Peñagaricano, F., White, H.M., Weigel, K.A., Baldwin, R., Santos, J.E.P., Koltes, J.E., Tempelman, R.J.

“…The list of standard abbreviations for JDS is available at adsa.org/jds-abbreviations-24. Nonstandard abbreviations are available in the Notes. Feed efficiency…”
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The genetic and biological basis of feed efficiency in mid-lactation Holstein dairy cows by Hardie, L C, VandeHaar, M J, Tempelman, R J, Weigel, K A, Armentano, L E, Wiggans, G R, Veerkamp, R F, de Haas, Y, Coffey, M P, Connor, E E, Hanigan, M D, Staples, C, Wang, Z, Dekkers, J C M, Spurlock, D M

“…The objective of this study was to identify genomic regions and candidate genes associated with feed efficiency in lactating Holstein cows. In total, 4,916…”
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Genomic heritability and genome-wide association analysis of anti-Müllerian hormone in Holstein dairy heifers by Nawaz, M Y, Jimenez-Krassel, F, Steibel, J P, Lu, Y, Baktula, A, Vukasinovic, N, Neuder, L, Ireland, J L H, Ireland, J J, Tempelman, R J

“…Anti-Müllerian hormone (AMH) is an ovarian growth factor that plays an important role in regulation of ovarian follicle growth. The objectives of this study…”
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Multiple-trait random regression modeling of feed efficiency in US Holsteins by Khanal, P., Parker Gaddis, K.L., Vandehaar, M.J., Weigel, K.A., White, H.M., Peñagaricano, F., Koltes, J.E., Santos, J.E.P., Baldwin, R.L., Burchard, J.F., Dürr, J.W., Tempelman, R.J.

“…Residual feed intake (RFI) and feed saved (FS) are important feed efficiency traits that have been increasingly considered in genetic improvement programs…”
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Invited review: milk production and reproductive performance: modern interdisciplinary insights into an enduring axiom by Bello, N M, Stevenson, J S, Tempelman, R J

“…A general belief across the dairy community, both scientific and commercial, is that of an antagonistic association between milk production and reproductive…”
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Estimation of genetic parameters for feed efficiency traits using random regression models in dairy cattle by Houlahan, K., Schenkel, F.S., Miglior, F., Jamrozik, J., Stephansen, R.B., González-Recio, O., Charfeddine, N., Segelke, D., Butty, A.M., Stratz, P., VandeHaar, M.J., Tempelman, R.J., Weigel, K., White, H., Peñagaricano, F., Koltes, J.E., Santos, J.E.P., Baldwin, R.L., Baes, C.F.

“…Feed efficiency has become an increasingly important research topic in recent years. As feed costs rise and the environmental impacts of agriculture become…”
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Novel genetic parameters for genetic residual feed intake in dairy cattle using time series data from multiple parities and countries in North America and Europe by Stephansen, R B, Martin, P, Manzanilla-Pech, C I V, Gredler-Grandl, B, Sahana, G, Madsen, P, Weigel, K, Tempelman, R J, Peñagaricano, F, Parker Gaddis, K L, White, H M, Santos, J E P, Koltes, J E, Schenkel, F, Hailemariam, D, Plastow, G, Abdalla, E, VandeHaar, M, Veerkamp, R F, Baes, C, Lassen, J

“…Residual feed intake is viewed as an important trait in breeding programs that could be used to enhance genetic progress in feed efficiency. In particular,…”
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Genome-wide association analyses based on a multiple-trait approach for modeling feed efficiency by Lu, Y, Vandehaar, M J, Spurlock, D M, Weigel, K A, Armentano, L E, Connor, E E, Coffey, M, Veerkamp, R F, de Haas, Y, Staples, C R, Wang, Z, Hanigan, M D, Tempelman, R J

“…Genome-wide association (GWA) of feed efficiency (FE) could help target important genomic regions influencing FE. Data provided by an international dairy FE…”
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Heritability and impact of environmental effects during pregnancy on antral follicle count in cattle by Walsh, S W, Mossa, F, Butler, S T, Berry, D P, Scheetz, D, Jimenez-Krassel, F, Tempelman, R J, Carter, F, Lonergan, P, Evans, A C O, Ireland, J J

“…Previous studies have documented that ovarian antral follicle count (AFC) is positively correlated with number of healthy follicles and oocytes in ovaries…”
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Genetic parameters between feed-intake-related traits and conformation in 2 separate dairy populations--the Netherlands and United States by Manzanilla-Pech, C I V, Veerkamp, R F, Tempelman, R J, van Pelt, M L, Weigel, K A, VandeHaar, M, Lawlor, T J, Spurlock, D M, Armentano, L E, Staples, C R, Hanigan, M, De Haas, Y

“…To include feed-intake-related traits in the breeding goal, accurate estimates of genetic parameters of feed intake, and its correlations with other related…”
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Invited review: assessing experimental designs for research conducted on commercial dairies by Tempelman, R J

“…Because of increasing constraints placed on conducting large studies at universities, more research is being conducted on commercial dairies, thereby raising…”
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Use of genotype × environment interaction model to accommodate genetic heterogeneity for residual feed intake, dry matter intake, net energy in milk, and metabolic body weight in dairy cattle by Yao, C, de Los Campos, G, VandeHaar, M J, Spurlock, D M, Armentano, L E, Coffey, M, de Haas, Y, Veerkamp, R F, Staples, C R, Connor, E E, Wang, Z, Hanigan, M D, Tempelman, R J, Weigel, K A

“…Feed efficiency in dairy cattle has gained much attention recently. Due to the cost-prohibitive measurement of individual feed intakes, combining data from…”
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Modeling genetic and nongenetic variation of feed efficiency and its partial relationships between component traits as a function of management and environmental factors by Lu, Y, Vandehaar, M J, Spurlock, D M, Weigel, K A, Armentano, L E, Staples, C R, Connor, E E, Wang, Z, Coffey, M, Veerkamp, R F, de Haas, Y, Tempelman, R J

“…Feed efficiency (FE), characterized as the fraction of feed nutrients converted into salable milk or meat, is of increasing economic importance in the dairy…”
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An adjuvant-free mouse model to evaluate the allergenicity of milk whey protein by Gonipeta, B, Parvataneni, S, Tempelman, R J, Gangur, V

“…Milk allergy is the most common type of food allergy in humans with the potential for fatality. An adjuvant-free mouse model would be highly desirable as a…”
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Analyses of reaction norms reveal new chromosome regions associated with tick resistance in cattle by Mota, R. R., Silva, F. F., Lopes, P. S., Tempelman, R. J., Sollero, B. P., Aguilar, I., Cardoso, F. F.

“…Despite single nucleotide polymorphism (SNP) availability and frequent cost reduction has allowed genome-wide association studies even in complex traits as…”
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Cows and herds constitute distinct hierarchical levels of heterogeneity in the variability of and association between milk yield and pregnancy outcome in dairy cows by Bello, N M, Steibel, J P, Erskine, R J, Tempelman, R J

“…The objectives of this study were to investigate heterogeneity in the variance of and the association between milk yield (MY) and pregnancy outcome (PO) in…”
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Transportation stress alters the circulating steroid environment and neutrophil gene expression in beef bulls by Sporer, K.R. Buckham, Xiao, L., Tempelman, R.J., Burton, J.L., Earley, B., Crowe, M.A.

“…Stress and its association with altered immune function and incidence of respiratory diseases in cattle have lead to concerns over animal health and welfare…”
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Effect of cooling and seminal plasma on the capacitation status of fresh boar sperm as determined using chlortetracycline assay by Vadnais, Melissa L., Kirkwood, R.N., Tempelman, R.J., Sprecher, D.J., Chou, Karen

“…Insemination of sows with frozen–thawed spermatozoa results in lower fertility, in part due to spermatozoa having undergone a capacitation-like reaction. The…”
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Genetic variation in bovine mononuclear leukocyte responses to dexamethasone by Saama, P M, Jacob, J B, Kehrli, Jr, M E, Freeman, A E, Kelm, S C, Kuck, A L, Tempelman, R J, Burton, J L

“…The objective of this study was to determine whether bovine mononuclear leukocytes exhibit genetic variability prior to and after a glucocorticoid hormone…”
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