U.S. Dairy Forage Research Center Site Logo
ARS Home About Us Helptop nav spacerContact Us En Espanoltop nav spacer
Printable VersionPrintable Version     E-mail this pageE-mail this page
Agricultural Research Service United States Department of Agriculture
Search
  Advanced Search
3 Main Locations
Geoffrey E. Brink
Glen A. Broderick
Michael D. Casler
Wayne K. Coblentz
John H. Grabber
Mary Beth Hall
Ronald D. Hatfield
William Jokela
Hans-Joachim G. Jung
David R. Mertens
Richard E. Muck
J. Mark Powell
Heathcliffe Riday
James B. Russell
Michael P. Russelle
Michael Sullivan
Peter A. Vadas
Richard P. Walgenbach
Paul J. Weimer
 

Wayne Coblentz
U.S. Dairy Forage Research Center
Research Dairy Scientist

Phone: (715) 384-5784
Fax: (715) 384-9157

1925 LINDEN DR W
MADISON, WI, 53706

Projects
Improving Dairy Forage and Manure Management to Reduce Environmental Risk
Appropriated (D)
  Accession Number: 412861
Trace-Gas Emissions from Dairy Production Systems
Specific Cooperative Agreement (S)
  Accession Number: 411334
Alternative Crop and Forage Production Systems for Improved Nutrient Management
Specific Cooperative Agreement (S)
  Accession Number: 414233
Methodology Development and Analysis of Pathogens in Agricultural Runoff and Forage Materials
Specific Cooperative Agreement (S)
  Accession Number: 414271
Trace-Gas Emissions from Dairy Production Systems Using Dispersion Analysis Techniques
Specific Cooperative Agreement (S)
  Accession Number: 411332

Publications
Effects of bale moisture and bale diameter on spontaneous heating, dry matter recovery, in-vitro true digestibility, and in-situ disappearance kinetics of alfalfa-orchardgrass hays. - (Peer Reviewed Journal) - (19-Feb-09)
Effects of spontaneous heating on fiber composition, fiber digestibility, and in situ disappearance kinetics of NDF for alfalfa-orchardgrass hays. - (Peer Reviewed Journal) - (16-Feb-09)
Performance by Fall-Calving Cows Grazing Tall Fescue Pastures With Different Proportions Stockpiled - (Peer Reviewed Journal)
Caldwell, J. D., Coffey, K. P., Coblentz, W. K., Jennings, J. A., Hubbell, D. S., III, Kreider, D. L., Looper, M. L., and Rosenkrans, C. F., Jr. 2009. Performance by fall-calving cows grazing tall fescue pastures with different proportions stockpiled. Online. Forage and Grazinglands doi:10.1094/FG-2009-0312-01-RS.
Performance by Fall-Calving Cows Grazing Tall Fescue Pastures with Different Proportions Stockpiled - (Popular Publication)
Caldwell, J.D., Coffey, K.P., Coblentz, W.K., Jennings, J.A., Hubbell III, D.S., Kreider, D.L., Looper, M.L., Rosenkrans, Jr, C.F. 2009. Performance by Fall-Calving Cows Grazing Tall Fescue Pastures with Different Proportions Stockpiled. Forage and Grazinglands. Available: www.plantmanagementnetwork.org/sub/fg/research/2009/stockpile/
Polyphenol, Conditioning, and Conservation Effects on Protein Fractions and Degradability in Forage Legumes - (Peer Reviewed Journal) - (15-Dec-08)
Ammonia Emissions from Dairy Production Systems in Wisconsin - (Peer Reviewed Journal)
Harper, L.A., Flesch, T.K., Powell, J.M., Coblentz, W.K., Jokela, W.E., Martin, N.P. 2009. Ammonia Emissions from Dairy Production Systems in Wisconsin. Journal of Dairy Science. 92:2326-2337.
The Effect of Dietary Phosphorus on Bone Development in Dairy Heifers - (Peer Reviewed Journal)
Esser, N.M., Hoffman, P.C., Coblentz, W.K., Orth, M.W., Weigel, K.A. 2009. The Effect of Dietary Phosphorus on Bone Development in Dairy Heifers. Journal of Dairy Science. 92:1741-1749.
Effect of lactic acid lactobacillus preservative and moisture level at baling on in-situ digestibility of crabgrass hay by heifers. - (Abstract) - (17-Nov-08)
Spontaneous heating more likely with larger bales - (Popular Publication)
Coblentz, W.K., Hoffman, P.C. 2008. Spontaneous heating more likely with larger bales. December 2008. Midwest Forage Association, Forage Focus. p. 4-5.
Fall-growth potential of cereal-grain forages in central Wisconsin - (Popular Publication)
Coblentz, W.K., Walgenbach, R.P. 2008. Fall-growth potential of cereal-grain forages in central Wisconsin. Midwest Forage Association, Forage Focus. December 2008. p. 20-21.
Biology and effects of spontaneous heating in hay. - (Popular Publication)
Coblentz, W.K., Jennings, J.A., Coffey, K.P. 2008. Biology and effects of spontaneous heating in hay. Progressive Hay Grower. 9(4):12-15.
Post Weaning Performance of Spring-Born Calves Weaned from Tall Fescue Pastures with a Wild-Type Endophyte or a Non-Toxic Novel Endophyte - (Experiment Station)
Coffey, K.P., Caldwell, W.K., Coblentz, W.K., Hess, T.W., Hubbell, Iii, D.S., Ogden, R.K., Akins, M.A., Looper, M.L., Rosenkrans, Jr, C.F. 2008. Post Weaning Performance of Spring-Born Calves Weaned from Tall Fescue Pastures with a Wild-Type Endophyte or a Non-Toxic Novel Endophyte. Research Series 563. Arkansas Animal Science Department Report 2008. (11):37-39.
Comparison of Bloat Potential Between Soft-Red and Hard-Red Winter Wheat Forages - (Experiment Station)
Akins, M.W., Coffey, K.P., Caldwell, J.D., Lusby, K.S., Coblentz, W.K., Moore, J.C., Kegley, E.B. 2008. Comparison of Bloat Potential Between Soft-Red and Hard-Red Winter Wheat Forages. Research Series 563. Arkansas Animal Science Department Report 2008. (11):12-17.
Heat Damaged Forages: Effects on Forage Quality - (Experiment Station)
Coblentz, W.K., Hoffman, P.C. 2008. Heat Damaged Forages: Effects on Forage Quality. University of Wisconsin Extension Family Living Website. Focus on Forage. 10(8). Available: www.uwex.edu/ces/crops/uwforage/HeatDamage-FOF.pdf
Post-weaning performance of fall-born beef steers weaned from endophyte-infected tall fescue pastures on different dates in the spring. - (Experiment Station)
Caldwell, J.D., Coffey, K.P., Coblentz, W.K., Ogden, R.K., Jennings, J.A., Hubbell, D.S., Krieder, D.L., Rosenkrans, C.F. 2008. Post-weaning performance of fall-born beef steers weaned from endophyte-infected tall fescue pastures on different dates in the spring. Research Series 563. Arkansas Animal Science Department Report 2008. (11):35-36.
Effect of lactic acid-lactobacillus preservative and moisture concentration at baling on intake and digestibility of crabgrass hay by lambs and in-situ digestibility by heifers - (Experiment Station)
Hardin, L.A., Coffey, K.P., Killian, A.E., Caldwell, J.D., Philipp, D., Coblentz, W.K. 2008. Effect of lactic acid-lactobacillus preservative and moisture concentration at baling on intake and digestibility of crabgrass hay by lambs and in-situ digestibility by heifers. Arkansas Animal Science Department Report 2008. (11):43-45.
Manure and Soil Test Phosphorus Effects on Runoff P from Simulated Rain - (Abstract)
Jokela, W.E., Coblentz, W.K., Hoffman, P.C. 2008. Manure and Soil Test Phosphorus Effects on Runoff P from Simulated Rain [abstract]. In: Proceedings of the ASA-CSSA-SSSA Annual Meeting Abstracts. ASA-CSSA-SSSA Annual Meeting, October 5-9, 2008, Houston, Texas. 2008 CD-ROM.
Estimating Losses of Dry Matter from Wetted Alfalfa-Orchardgrass Mixtures Using Cell Wall Components as Internal Markers - (Peer Reviewed Journal)
Coblentz, W.K., Jokela, W.E. 2008. Estimating Losses of Dry Matter from Wetted Alfalfa-Orchardgrass Mixtures Using Cell Wall Components as Internal Markers. Crop Science. 48:2481-2489.
Effect of harvest dates on yield and nutritive value of eastern gamgrass - (Peer Reviewed Journal)
Mashingo, M.S., Kellogg, D., Coblentz, W.K., Anschutz, K.S. 2008. Effect of harvest dates on yield and nutritive value of eastern gamgrass. Professional Animal Scientist. 24:363-373.
Estimating losses of dry matter from alfalfa-orchardgrass mixtures following rainfall events - (Abstract)
Coblentz, W.K., Jokela, W.E. 2008. Estimating losses of dry matter from alfalfa-orchardgrass mixtures following rainfall events. Journal of Dairy Science. 91:27.
Forage-based systems for the Upper Midwest - (Abstract)
Coblentz, W.K. 2008. Forage-based systems for the Upper Midwest. Journal of Dairy Science. 91:309.
Bone development in dairy heifers fed diets with and without supplemental phosphorus - (Abstract)
Esser, N.M., Hoffman, P.C., Coblentz, W.K., Orth, M.W., Weigel, K.A. 2008. Bone development in dairy heifers fed diets with and without supplemental phosphorus. Journal of Dairy Science. 91:481.
Effect of a lactic acid-lactobacillus product and bale moisture on forage quality, and voluntary intake and digestibility of crabgrass hay by lambs - (Abstract)
Hardin, L., Killion, A., Caldwell, J.D., Coffey, K.P., Philipp, D., Coblentz, W.K. 2008. Effect of a lactic acid-lactobacillus product and bale moisture on forage quality, and voluntary intake and digestibility of crabgrass hay by lambs. Journal of Animal Science. 86:28.
Weaning and Post-Weaning Performance of Fall-Born Calves Weaned on Different Dates from Endophyte-Infected Tall Fescue Pastures Managed with Two Different Rotation Frequencies - (Peer Reviewed Journal)
Coffey, K.P., Coblentz, W.K., Hellwig, D.H., Popp, M.P., Smith, T.F., Hubbell Iii, D.S., Scarbrough, D.A., Humphry, B.J., Turner, J.E., Johnson, Z.B. 2008. Weaning and Post-Weaning Performance of Fall-Born Calves Weaned on Different Dates from Endophyte-Infected Tall Fescue Pastures Managed with Two Different Rotation Frequencies. Livestock Science. 118:183-194.
Effects of Fescue Type and Sampling Date on the N Disappearance Kinetics of Autumn-Stockpiled Tall Fescue - (Peer Reviewed Journal)
Flores, R., Coblentz, W.K., Ogden, R.K., Coffey, K.P., Looper, M.L., West, C.P., Rosenkrans, C.F. 2008. Effects of fescue type and sampling date on the N disappearance kinetics of autumn-stockpiled all fescue. Journal of Dairy Science. 91:1597-1606.
Biology and Effects of Spontaneous Heating in Hay - (Proceedings/Symposium) - (20-Nov-07)
Post-Weaning Performance of Fall-Born Beef Steers Weaned from Endophyte-Infected Tall Fescue Pastures on Different Dates in the Spring - (Abstract)
Caldwell, J.D., Coffey, K.P., Coblentz, W.K., Jennings, J.A., Hubbell Iii, D.S., Kreider, D.L., Rosenkrans, C.D. 2008. Post-Weaning Performance of Fall-Born Beef Steers Weaned from Endophyte-Infected Tall Fescue Pastures on Different Dates in the Spring. Journal of Animal Science. 86 (e-Supplement 3): 91.
Effects of harvest timing on estimates of rumen degradable protein from alfalfa forages. - (Peer Reviewed Journal)
Coblentz, W.K., Brink, G.E., Martin, N.P., Undersander, D.J. 2007. Effects of harvest timing on estimates of rumen degradable protein from alfalfa forages. Crop Science. 48:778-788.
Seeding Rate Effect on Establishment and Yield of Alfalfa in Bermudagrass Sod - (Proceedings/Symposium)
Jennings, J.A., Coblentz, W.K., Johnson, Z.B., Skinner, J. 2008. Seeding Rate Effect on Establishment and Yield of Alfalfa in Bermudagrass Sod. American Forage and Grassland Council Conference Proceedings. January 26-31, 2008. Louisville, Kentucky.
Selection for Lignin and Etherified Ferulates in Three Perennial Grasses - (Peer Reviewed Journal)
Casler, M.D., Jung, H.G., Coblentz, W.K. 2008. Selection for Lignin and Etherified Ferulates in Three Perennial Grasses. Crop Science. 48:424-433.
Cow and calf performance while grazing tall fescue pastures with either wild-type toxic endophyte or a non-toxic novel endophyte. - (Experiment Station)
Coffey, K.P., Coblentz, W.K., Caldwell, J.D., West, C.P., Ogden, R.K., Hess, T., Hubbell III, D.S., Akins, M.S., Rosenkrans, Jr., C.F. 2007. Cow and calf performance while grazing tall fescue pastures with either wild-type toxic endophyte or a non-toxic novel endophyte. Arkansas Agricultural Experiment Station Research Series 553. Arkansas Animal Science Department Report 2007. 10:67-69.
Growth performance and immune function of fall-born beef calves weaned from endophyte-infected tall fescue pastures on different dates in the spring. - (Experiment Station)
Caldwell, J.D., Coffey, K.P., Coblentz, W.K., Ogden, R.K., Jennings, J.A., Hubbell III, D.S., Kreider, D.L., Rosenkrans, Jr., C.F. 2007. Growth performance and immune function of fall-born beef calves weaned from endophyte-infected tall fescue pastures on different dates in the spring. Arkansas Agricultural Experiment Station Research Series 553. Arkansas Animal Science Department Report 2007. 10:70-72.
Nutritive value of fall-grown cereal-grain forages over time. - (Experiment Station)
Akins, M.S., Kegley, E.B., Gunsaulis, J.L., Coblentz, W.K., Lusby, K.S., Ogden, R.K., Caldwell, J.D., Bacon, R.K., Coffey, K.P. 2007. Nutritive value of fall-grown cereal-grain forages over time. Arkansas Animal Science Research Series 553. Arkansas Animal Science Department Report 2007. 10:73-77.
Reproductive performance, blood urea nitrogen, and blood glucose concentration in beef heifers grazing annual ryegrass in the spring and supplemented at different intervals prior to timed AI. - (Experiment Station)
Kreider, D.L., Coffey, K.P., Caldwell, J.D., Whitworth, W.A., Montgomery, T.G., Rorie, R., Mcnew, R.W., Coblentz, W.K., Ogden, R.K. 2007. Reproductive performance, blood urea nitrogen, and blood glucose concentration in beef heifers grazing annual ryegrass in the spring and supplemented at different intervals prior to timed AI. Arkansas Animal Science Research Series 553. Arkansas Animal Science Department Report 2007. 10:41-44.
In Situ Ruminal Nitrogen and Neutral-Detergent Insoluble Nitrogen Disappearance from Bermudagrass Fertilized with Different Nitrogen Rates and Harvested on Two Dates - (Peer Reviewed Journal)
Mcginley, B.C., Coffey, K.P., Coblentz, W.K., Galdamez-Cabrera, N.W., Turner, J.E., Daniels, M.B. 2007. In Situ Ruminal Nitrogen and Neutral-Detergent Insoluble Nitrogen Disappearance from Bermudagrass Fertilized with Different Nitrogen Rates and Harvested on Two Dates. Professional Animal Scientist. 23:556-564.
Dry Matter Losses from Large Round Bales of Alfalfa-Grass Mixtures Stored Outdoors in Central Wisconsin. - (Abstract)
Coblentz, W.K. 2007. Dry Matter Losses from Large Round Bales of Alfalfa-Grass Mixtures Stored Outdoors in Central Wisconsin [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. Paper No. 271-11-660.
Effects of Application of Dairy Slurry on Voluntary Intake of Orchardgrass Hays by Growing Dairy Heifers - (Abstract)
Coblentz, W.K., Davidson, J.A., Walgenbach, R.P., Posner, J.L., Hedtcke, J.L. 2007. Effects of Application of Dairy Slurry on Voluntary Intake of Orchardgrass Hays by Growing Dairy Heifers [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. Paper No. 77-5.
Effects of fescue type, sampling date, and grazing by dairy replacement heifers on nitrogen partitioning and in situ disappearance kinetics of N for autumn-stockpiled tall fescue forages. - (Abstract)
Flores, R., Coblentz, W.K., Ogden, R., Coffey, K.P., Looper, M.L., West, C.P., Rosenkrans, C.F. 2007. Effects of fescue type, sampling date, and grazing by dairy replacement heifers on nitrogen partitioning and in situ disappearance kinetics of N for autumn-stockpiled tall fescue forages [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. Paper No. 77-5.
Evaluation of Soft Red Winter Wheat Forage Yield, Nutritive Value and Tetany Hazard as Influenced by Sampling Date and Nitrogen Fertilization - (Peer Reviewed Journal)
Bailey, C.R., Daniels, L.B., Coblentz, W.K., Kegley, E.B., Mcbeth, L.J., Turner, J.E., Wistuba, T.J., Rosenkrans, C. 2007. Evaluation of Soft Red Winter Wheat Forage Yield, Nutritive Value and Tetany Hazard as Influenced by Sampling Date and Nitrogen Fertilization. Journal of Applied Animal Research. 32:1-6.
Effect of herbage depletion on cattle grazing dynamics in wheat pastures - (Abstract)
Gregorini, P., Bowman, M., Gunter, S.A., Beck, P.A., Coblentz, W.K. 2007. Effect of herbage depletion on cattle grazing dynamics in wheat pastures. Journal of Animal Science 85(Suppl. 1):496.
Fall Growth Potential of Cereal Grain Forages in Northern Arkansas - (Peer Reviewed Journal)
Gunsaulis, J.L., Coblentz, W.K., Ogden, R.K., Bacon, R.K., Coffey, K.P., Hubbell, D.S., Skinner, J., Akins, M.S., Caldwell, J.D., Lusby, K.S. 2008. Fall Growth Potential of Cereal Grain Forages in Northern Arkansas. Agronomy Journal. 100:1112-1123.
Fall Growth Potential of Cereal-Grain Forages - (Abstract) - (13-Feb-07)
Growth Performance and Immune Function of Fall-Born Beef Calves Weaned from Endophyte Infected Tall Fescue Pastures on Different Dates in the Spring - (Abstract) - (13-Feb-07)
Comparison of Bloat Potential Between Hard Red and Soft Red Winter Wheat - (Abstract) - (13-Feb-07)
Effects of Harvest Timing on Estimates of Rumen Degradable Protein from Alfalfa Forages - (Abstract) - (12-Feb-07)
Effects of Fescue Type and Sampling Date on the Ruminal Disappearance Kinetics of Autumn-Stockpiled Tall Fescue - (Peer Reviewed Journal)
Flores, R., Coblentz, W.K., Ogden, R.K., Coffey, K.P., Looper, M.L., West, C.P., Rosenkrans, C.F. 2007. Effects of Fescue Type and Sampling Date on the Ruminal Disappearance Kinetics of Autumn-Stockpiled Tall Fescue. Journal of Dairy Science. 90:2883-2896.
Effects of Storage Conditions on the Forage Quality Characteristics and Ergovaline Content of Endophyte-Infected Tall Fescue Hays - (Peer Reviewed Journal)
Norman, R.C., Coblentz, W.K., Hubbell, D.S., Ogden, R.K., Coffey, K.P., Caldwell, J.D., Rhein, R.T., West, C.P., Rosenkrans, C.F. 2007. Effects of Storage Conditions on the Forage Quality Characteristics and Ergovaline Content of Endophyte-Infected Tall Fescue Hays. Crop Science. 47:1635-1646.
Round-Bale Silage - Management Issues to Consider - (Proceedings/Symposium)
Coblentz, W.K. 2007. Round-Bale Silage - Management Issues to Consider. In: Proceedings of the Midwest Forage Association Symposium. 2007 Midwest Forage Association Symposium and Annual Meeting, January 30-31, 2007, Wisconsin Dells, Wisconsin. 2007 CDROM.
Empirical analysis of weaning and pasture rotation frequency with implications for retained ownership. - (Peer Reviewed Journal)
Popp, M., Coffey, K., Coblentz, W.K., Johnson, Z., Scarbrough, D., Humphry, J.B., Smith, T., Hubbell, D.S., Turner, J. 2007. Empirical analysis of weaning and pasture rotation frequency with implications for retained ownership. Agronomy Journal. 99:747-754
Nutritive Value of Fall-Grown Cereal-Grain Forages Over Time - (Abstract)
Akins, M.S., Gunsaulis, J.L., Coblentz, W.K., Kegley, E.B., Lusby, K.S., Ogden, R.K., Caldwell, J.D., Bacon, R.K., Coffey, K.P. 2007. Nutritive Value of Fall-Grown Cereal-Grain Forages Over Time. Journal of Animal Science. 85:133
Performance by Spring-Calving Cows Grazing Tall Fescue Pastures with Either the Wild-Type Toxic Endophyte or a Non-Toxic Novel Endophyte - (Abstract)
Coffey, W.K., Coblentz, W.K., Ogden, R.K., Caldwell, J.D., Hubbell, D.S., Hess, T.W., Martin, L.J., West, C.P., Akins, M.S., Johnson, Z.B. 2007. Performance by Spring-Calving Cows Grazing Tall Fescue Pastures with Either the Wild-Type Toxic Endophyte or a Non-Toxic Novel Endophyte. Journal of Animal Science. 85(suppl. 2):133.
Reproductive performance, blood urea nitrogen, and blood glucose concentration in beef heifers grazing annual ryegrass in the spring and supplemented at different intervals prior to timed AI - (Abstract)
Kreider, D.L., Coffey, K.P., Caldwell, J.D., Coblentz, W.K., Montgomery, T.G., Whitworth, W., Mcnew, R., Ogden, R.K. 2007. Reproductive performance, blood urea nitrogen, and blood glucose concentration in beef heifers grazing annual ryegrass in the spring and supplemented at different intervals prior to timed AI [abstract]. Journal of Animal Science. 85(supplement 2):119.
Growth Performance by Fall-Calving Cow-Calf Pairs Grazing Tall Fescue Pastures with Different Proportions Stockpiled Until Late Fall - (Experiment Station)
Caldwell, J.D., Coffey, K.P., Coblentz, W.K., Ogden, R.K., Jennings, J.A., Smith, T.F., Hubbell, D.S. 2006. Growth Performance by Fall-Calving Cow-Calf Pairs Grazing Tall Fescue Pastures with Different Proportions Stockpiled Until Late Fall. Research Series 545. Arkansas Animal Science Department Report. 9:140-142.
Cow and Calf Performance While Grazing Tall Fescue Pastures with Either the Wild-Type Toxic Endophyte or a Non-Toxic Novel Endophyte - (Experiment Station)
Ogden, R.K., Coffey, K.P., Coblentz, W.K., Caldwell, J.D., Hess, T., Hubbell, D.S., Akins, M.S. 2006. Cow and Calf Performance While Grazing Tall Fescue Pastures with Either the Wild-Type Toxic Endophyte or a Non-Toxic Novel Endophyte. Research Series 545. Arkansas Animal Science Department Report. 9:138-139.
Effects of Grain By-Products as Supplements for Stocker Cattle Grazing Bermudagrass - (Experiment Station)
Davis, T.E., Kegley, E.B., Coffey, K.P., Coblentz, W.K., Ogden, R.K., Hornsby, J.P. 2006. Effects of Grain By-Products as Supplements for Stocker Cattle Grazing Bermudagrass. Research Series 545. Arkansas Animal Science Department Report. 9:120-123.
Effect of Herbage Depletion on the Grazing Dynamics and Short-Term Intake Rate of Steers Grazing Wheat Pastures - (Experiment Station)
Gregorini, P., Caldwell, J.D., Bowman, M., Masino, C., Coblentz, W.K., Beck, P.A., Gunter, S.A. 2006. Effect of Herbage Depletion on the Grazing Dynamics and Short-Term Intake Rate of Steers Grazing Wheat Pastures. Research Series 545. Arkansas Animal Science Department Report. 9:130-133.
Effect of Supplement Timing on Blood Measurements and Reproductive Performance in Beef Heifers Grazing Annual Ryegrass in the Spring - (Experiment Station)
Kreider, D.L., Coffey, K.P., Whitworth, W.A., Montgomery, T.G., Coblentz, W.K., Caldwell, J.D., Mcnew, R.W., Ogden, R.K. 2006. Effect of Supplement Timing on Blood Measurements and Reproductive Performance in Beef Heifers Grazing Annual Ryegrass in the Spring. Research Series 545. Arkansas Animal Science Department Report. 9:196-198.
Effects of Fescue Type, Sampling Date, and Grazing by Dairy Replacement Heifers on the Nutritive Value and In Situ Ruminal Disappearance Kinetics of DM and NDF for Autumn-Stockpiled Tall Fescue Forages - (Abstract)
Flores, R., Coblentz, W.K., Rosenkrans, C.F., Ogden, R.K., Coffey, K.P., Looper, M.L., West, C.P. 2006. Effects of Fescue Type, Sampling Date, and Grazing by Dairy Replacement Heifers on the Nutritive Value and In Situ Ruminal Disappearance Kinetics of DM and NDF for Autumn-Stockpiled Tall Fescue Forages [abstract]. ASA-CSSA-SSSA International Annual Meeting. Abstract No. 1935b.
Effects of Bale Diameter, Storage Location, and Sampling Depth on the Nutritive Value, Ruminal Disappearance Kinetics of DM, and Concentrations of Ergovaline for Endophyte-Infected Tall Fescue Hay Packaged in Large Round Bale - (Abstract)
Norman, R.C., Coblentz, W.K., Rosenkrans, C.F., Hubbell, D.S., Ogden, R.K., Coffey, K.P., West, C.P. 2006. Effects of Bale Diameter, Storage Location, and Sampling Depth on the Nutritive Value, Ruminal Disappearance Kinetics of DM, and Concentrations of Ergovaline for Endophyte-Infected Tall Fescue Hay Packaged in Large Round Bale [abstract]. ASA-CSSA-SSSA International Annual Meeting. Abstract No. 1732a.
Animal Methods for Evaluating Forage Quality - (Book/Chapter)
Cochran, R.C., Coblentz, W.K., Vanzant, E.S. 2007. Animal Methods for Evaluating Forage Quality. In: Barnes, R.F., Nelson, C.J., Moore, K.J., Collins, M. editors. Forages, The Science of Grassland Agriculture. Volume II, Sixth Edition. Ames, Iowa: Blackwell Publishing Professional. p. 541-552.
Effects of Forage Management on the Nutritive Value of Stockpiled Bermudagrass - (Peer Reviewed Journal)
Scarbrough, D.A., Coblentz, W.K., Coffey, K.P., Hubbell, D.S., Smith, T.S., Humphry, J.B., Jennings, J.A., Ogden, R.K., Turner, J.E. 2006. Effects of Forage Management on the Nutritive Value of Stockpiled Bermudagrass. Agronomy Journal. 98:1280-1289.
Rainfall Effects on Wilting Forages - (Popular Publication)
Coblentz, W.K., Jennings, J.A. 2006. Rainfall Effects on Wilting Forages. Progressive Hay Grower. 7(4):20-25.
Post-Harvest Physiology - (Book/Chapter)
Collins, M., and W. K. Coblentz. 2007. Post-harvest physiology of forages. In: Barnes, R.F., Nelson, C.J., Moore, K.J., Collins, M., editors. Forages, the Science of Grassland Agriculture. Volume II, 6th Edition. Ames, Iowa:Blackwell Publishing Professional. p. 583-600.
Effects of Grain By-Products as Supplements for Stocker Cattle Grazing Bermudagrass - (Experiment Station)
Davis, T.E., Kegley, E.B., Coffey, K.P., Coblentz, W.K., Ogden, R.K., Hornsby, J.A. 2006. Effects of Grain By-Products as Supplements for Stocker Cattle Grazing Bermudagrass. Discovery Journal. 7:19-26.
Baled Silage for Livestock - (Popular Publication)
Coblentz, W.K. 2006. Baled Silage for Livestock. Progessive Hay Grower. 7(3):13-18.
Rain Damage and Spontaneous Heating in Southern Forages Harvested as Hay - (Proceedings/Symposium)
Coblentz, W.K. 2006. Rain Damage and Spontaneous Heating in Southern Forages Harvested as Hay. In: Proceedings of the 60th Southern Pasture and Forage Crop Improvement Conference, April 11-13, 2006, Auburn, Alabama. 2006 CDROM.
Using Orchardgrass and Endophyte-Free Fescue Versus Endophyte-Infected Fescue Overseeded on Bermudagrass for Cow Herds: Four-Year Summary of Cow-Calf Performance - (Peer Reviewed Journal)
Coblentz, W.K., Coffey, K.P., Smith, T.F., Hubbell, D.S., Scarbrough, D.A., Humphry, J.B., Mcginley, B.C., Turner, J.E., Jennings, J.A., West, C.P. Popp, M.P., Hellweig, D.H., Kreider, D.L., and Rosenkrans, C.F., Jr. 2006. Using Orchardgrass and Endophyte-Free Fescue Versus Endophyte-Infected Fescue Overseeded on Bermudagrass for Cow Herds: Four-Year Summary of Cow-Calf Performance. Crop Science. 46:1929-1938.
Using Orchardgrass and Endophyte-Free Fescue Versus Endophyte-Infected Fescue Overseeded on Bermudagrass for Cow Herds: I. Four-Year Summary of Forage Characteristics - (Peer Reviewed Journal)
Coblentz, W. K., K. P. Coffey, T. F. Smith, D. S. Hubbell, III, D. A. Scarbrough, J. B. Humphry, B. C. McGinley, J. E. Turner, J. A. Jennings, C. P. West, M. P. Popp, D. H. Hellwig, D. L. Kreider, and C. F. Rosenkrans, Jr. 2006. Using orchardgrass and endophyte-free fescue versus endophyte-infected fescue overseeded on bermudagrass for cow herds: four-year summary of forage characteristics. Crop Science. 46:1919-1928.
In Situ Disappearance Kinetics of Nitrogen and Neutral Detergent Insoluble Nitrogen for Common Crabgrass Sampled on Seven Dates in Northern Arkansas - (Peer Reviewed Journal)
Ogden, R.K., Coblentz, W.K., Coffey, K.P., Turner, J.E., Scarbrough, D.A., Jennings, J.A., Richardson, M.D. 2006. In Situ Disappearance Kinetics of Nitrogen and Neutral Detergent Insoluble Nitrogen for Common Crabgrass Sampled on Seven Dates in Northern Arkansas. Journal of Animal Science. 84:669-677.
Impact of Rotation Frequency and Weaning Date on Forage Availability and Nutrient Composition, Species Composition, and Growth Performance by Cows and Calves Grazing Endophyte-Infected Tall Fescue Pastures Overseeded with Cra - (Peer Reviewed Journal)
Coffey, K. P., W. K. Coblentz, D. A. Scarbrough, J. B. Humphry, B. C. McGinley, J. E. Turner, T. F. Smith, D. S. Hubbell, III, Z. B. Johnson, D. H. Hellwig, M. P. Popp, and C. F. Rosenkrans, Jr. 2005. Impact of rotation frequency and weaning date on forage availability and nutrient composition, species composition, and growth performance by cows and calves grazing endophyte-infected tall fescue pastures overseeded with crabgrass, lespedeza, and red and white clover. Journal of Animal Science. 83:2684-2695.
Nitrogen Partitioning and Estimates of Degradable Intake Protein in Wilting Orchardgrass and Bermudagrass Hays Damaged by Simulated Rainfall - (Peer Reviewed Journal)
Scarbrough, D. A., W. K. Coblentz, R. K. Ogden, J. E. Turner, J. B. Humphry, K. P. Coffey, T. C. Daniel, T. J. Sauer, J. A. Jennings, and D. W. Kellogg. 2006. Nitrogen partitioning and estimates of degradable intake protein in wilting orchardgrass and bermudagrass hays damaged by simulated rainfall. Agronomy Journal. 98:85-93.

   
 
Last Modified: 05/06/2009
ARS Home | USDA.gov | Site Map | Policies and Links 
FOIA | Accessibility Statement | Privacy Policy | Nondiscrimination Statement | Information Quality | USA.gov | White House