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United States Department of Agriculture

Agricultural Research Service

Research Project: OPTIMIZING THE BIOLOGY OF THE ANIMAL-PLANT INTERFACE FOR IMPROVED SUSTAINABILITY OF FORAGE-BASED ANIMAL ENTERPRISES Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)

Cool-season annual grasses interseeded into bermudagrass with improved cold-tolerance for grazing in the upper south - (Peer Reviewed Journal)
Aiken, G.E. 2014. Cool-season annual grasses interseeded into bermudagrass with improved cold-tolerance for grazing in the upper south. Forage and Grazinglands. doi:10.2134/FG-2012-0137-RS.
Antimicrobial activity of red clover (Trifolium pratense L.) extract on caprine hyper ammonia-producing bacteria - (Peer Reviewed Journal)
Flythe, M.D., Harrison, B., Kagan, I., Klotz, J.L., Gellin, G.L., Goff, B.M., Aiken, G.E. 2013. Antimicrobial activity of red clover (Trifolium pratense L.) extract on caprine hyper ammonia-producing bacteria. Agriculture, Food and Analytical Bacteriology. 3:176-185.
Evaluation of a rapid determination of heat production and respiratory quotient in holstein steers using the washed rumen technique - (Peer Reviewed Journal)
Kim, D., Mcleod, K.R., Klotz, J.L., Koontz, A.F., Foote, A.P., Harmon, D.L. 2013. Evaluation of a rapid determination of heat production and respiratory quotient in holstein steers using the washed rumen technique. Journal of Animal Science. 91:4267-4276.
Antagonism of lateral saphenous vein serotonin receptors from steers grazing endophyte-free, wild-type, or novel endophyte-infected tall fescue - (Peer Reviewed Journal)
Klotz, J.L., Aiken, G.E., Johnson, J.M., Brown, K.R., Bush, L.P., Strickland, J.R. 2013. Antagonism of lateral saphenous vein serotonin receptors from steers grazing endophyte-free, wild-type, or novel endophyte-infected tall fescue. Journal of Animal Science. 91:4492-4500.
Alteration of fasting heat production during fescue toxicosis in Holstein steers - (Peer Reviewed Journal)
Koontz, A.F., Kim, D., Foote, A.P., Bush, L.P., Klotz, J.L., Mcleod, K.R., Harmon, D.L. 2013. Alteration of fasting heat production during fescue toxicosis in Holstein steers. Journal of Animal Science. 91:3881-3888.
Managing the tall fescue-fungal endophyte symbiosis for optimum forage-animal production - (Peer Reviewed Journal)
(14-Dec-12)
Metabolic control of Clostridium thermocellum via selective inhibition and compensatory product formation - (Abstract Only)
Flythe, M.D. 2012. Metabolic control of Clostridium thermocellum via selective inhibition and compensatory product formation. Global Biofuels & Bioproducts Summit (OMICS Group Conferences). 3:7.
Effects of grazing intensity and chemical seedhead suppression on steers grazing tall fescue pastures - (Abstract Only)
(01-May-12)
Bacterial colonization of the equine gut; comparison of mare and foal pairs by PCR-DGGE - (Peer Reviewed Journal)
Earing, J.R., During, A.C., Gellin, G.L., Lawrence, L.M., Flythe, M.D. 2012. Bacterial colonization of the equine gut; comparison of mare and foal pairs by PCR-DGGE. Journal of Applied Microbiology. 2:79-86.
Prolactin genomics and biology in herbivores - (Proceedings)
(14-Mar-12)
Validation of a housekeeping gene for use in bovine vascular gene expression studies - (Abstract Only)
Klotz, J.L., Brown, K.R., Matthews, J.C., Boling, J.A., Strickland, J.R. 2012. Validation of a housekeeping gene for use in bovine vascular gene expression studies. J. Anim. Sci. Vol 90, Suppl 3:pg 35.
Ergovaline disappearance from a ruminally incubated buffer - (Abstract Only)
Foote, A.P., Kristensen, N.B., Klotz, J.L., Brown, K.R., Strickland, J.R., Kim, D.H., Koontz, A.E., Mcleod, K.R., Bush, L.P., Harmon, D.L. 2012. Ergovaline disappearance from a ruminally incubated buffer. J. Anim. Sci. Vol. 90, Suppl. 3:94.
Alteration of fasting heat production during fescue toxicosis in Holstein steers - (Abstract Only)
Koontz, A.F., Foote, A.P., Kim, D.H., Bush, L.P., Klotz, J.L., Mcleod, K.R., Harmon, D.L. 2012. Alteration of fasting heat production during fescue toxicosis in Holstein steers. J. Anim. Sci. Vol. 90, Suppl. 3:622-623.
Ergot alkaloids decrease rumen epithelial blood flow - (Abstract Only)
Foote, A.P., Kristensen, N.B., Klotz, J.L., Kim, D.H., Koontz, A.F., Mcleod, K.R., Bush, L.P., Harmon, D.L. 2012. Ergot alkaloids decrease rumen epithelial blood flow. J. Anim. Sci. Vol. 90, Suppl. 3:431-432.
Evaluation of a rapid determination of heat production and respiratory quotient in Holstein steers using the washed rumen technique - (Abstract Only)
Kim, D.H., Mcleod, K.R., Klotz, J.L., Koontz, A.F., Foote, A.P., Harmon, D.L. 2012. Evaluation of a rapid determination of heat production and respiratory quotient in Holstein steers using the washed rumen technique. J. Anim. Sci. Vol. 90, Suppl. 3:99.
Lateral saphenous vein responses to serotonergic and a-adrenergic receptor agonists increase with time off endophyte-infected tall fescue - (Abstract Only)
Klotz, J.L., Bussard, J.R., Aiken, G.E., Foote, A.P., Harmon, D.L., Brown, K.R., Goff, B.M., Strickland, J.R. 2012. Lateral saphenous vein responses to serotonergic and a-adrenergic receptor agonists increase with time off endophyte-infected tall fescue. J. Anim. Sci. Vol. 90, Suppl. 3:34.
Changes in bovine vascular contraction and constriction relative to time off endophyte-infected tall fescue - (Abstract Only)
Bussard, J.R., Aiken, G.E., Strickland, J.R., Brown, K.R., Goff, B.M., Foote, A.P., Klotz, J.L. 2012. Changes in bovine vascular contraction and constriction relative to time off endophyte-infected tall fescue. J. Anim. Sci. Vol. 90, Suppl. 3:34.
Steer and pasture responses for a novel endophyte tall fescue developed for the upper transition zone - (Peer Reviewed Journal)
Johnson, J.M., Aiken, G.E., Phillips, T.D., Barrett, M., Klotz, J.L., Schrick, F.N. 2012. Steer and pasture responses for a novel endophyte tall fescue developed for the upper transition zone. Journal of Animal Science. 90:2402-2409.
What fescue toxicosis is really doing inside your animals - (Proceedings)
Aiken, G.E. 2012. What fescue toxicosis is really doing inside your animals. Kentucky Cattlemen's Association. CD-ROM.
Metabolic control of Clostridium thermocellum via inhibition of hydrogenase activity and the glucose transport rate - (Peer Reviewed Journal)
Li, H., Knutson, B.L., Nokes, S.E., Lynn, B.C., Flythe, M.D. 2012. Metabolic control of Clostridium thermocellum via inhibition of hydrogenase activity and the glucose transport rate. Applied Microbiology and Biotechnology. 93(4):1777-1784.
Constriction of bovine vasculature by endophyte-infected tall fescue seed extract is similar to pure ergovaline - (Peer Reviewed Journal)
Foote, A.P., Harmon, D.L., Brown, K.R., Strickland, J.R., Mcleod, K.R., Bush, L.P., Klotz, J.L. 2012. Constriction of bovine vasculature by endophyte-infected tall fescue seed extract is similar to pure ergovaline. Journal of Animal Science. 90:1603-1609.
Steer and plant responses to chemical suppression of seedhead emergence in toxic endophyte-infected tall fescue - (Peer Reviewed Journal)
Aiken, G.E., Goff, B.M., Witt, W.W., Kagan, I., Sleugh, B.B., Burch, P., Schrick, F.N. 2012. Steer and plant responses to chemical suppression of seedhead emergence in toxic endophyte-infected tall fescue. Crop Science. 52:960-969.
Steer consumption and ergovaline recovery from in vitro digested residues of tall fescue seedheads - (Peer Reviewed Journal)
Goff, B.M., Aiken, G.E., Witt, W.W., Sleugh, B.B., Burch, P. 2012. Steer consumption and ergovaline recovery from in vitro digested residues of tall fescue seedheads. Crop Science. 52:1437-1440.
Effects of grazing intensity and chemical seedhead suppression on steers grazing tall fescue pastures - (Proceedings)
Goff, B.M., Aiken, G.E., Witt, W.W., Burch, P.L., Sleugh, B.B. 2012. Effects of grazing intensity and chemical seedhead suppression on steers grazing tall fescue pastures. American Forage and Grassland Conference Proceedings. CD-ROM.
Improving forage quality using seedhead management - (Proceedings)
Aiken, G.E. 2012. Improving forage quality using seedhead management. American Forage and Grassland Conference Proceedings. CD-ROM.
Evaluation of a ruminally dosed tall fescue seed extract as a model for fescue toxicosis in steers - (Peer Reviewed Journal)
Koontz, A.F., Bush, L.P., Klotz, J.L., Mcleod, K.R., Schrick, F.N., Harmon, D.L. 2012. Evaluation of a ruminally dosed tall fescue seed extract as a model for fescue toxicosis in steers. Journal of Animal Science. 90:914-921.
Alterations in serotonin receptor-induced contractility of bovine lateral saphenous vein in cattle grazing endophyte-infected tall fescue - (Peer Reviewed Journal)
Klotz, J.L., Brown, K.R., Xue, Y., Matthews, J.C., Boling, J.A., Burris, W.R., Bush, L.P., Strickland, J.R. 2012. Alterations in serotonin receptor-induced contractility of bovine lateral saphenous vein in cattle grazing endophyte-infected tall fescue. Journal of Animal Science. 90:682-693.
Case study: average daily gain and blood fatty acid composition of cattle grazing the non-bloating legumes birdsfoot trefoil and cicer milkvetch in the mountain west - (Peer Reviewed Journal)
Macadam, J.W., Ward, R.E., Griggs, T.C., Minn, B.R., Aiken, G.E. 2011. Case study: average daily gain and blood fatty acid composition of cattle grazing the non-bloating legumes birdsfoot trefoil and cicer milkvetch in the mountain west. Professional Animal Scientist. 27:574-583.
Doppler ultrasonography for evaluating vascular responses to ergopeptine alkaloids in livestock - (Book / Chapter)
Aiken, G.E., Strickland, J.R. 2012. Doppler ultrasonography for evaluating vascular responses to ergopeptine alkaloids in livestock. Veterinary Medicine. In A Bird’s-Eye View of Veterinary Medicine, Edited by Carlos C. Perez-Marin. Ch 29. pp 567-586. ISBN: 978-953-51-0031-7.
Ergopeptines bromocriptine and ergovaline and the dopamine type-2 receptor inhibitor domperidone inhibit bovine equilibrative nucleoside transporter 1-like activity - (Peer Reviewed Journal)
Miles, E.D., Xue, Y., Strickland, J.R., Boling, J.A., Matthews, J.C. 2011. Ergopeptines bromocriptine and ergovaline and the dopamine type-2 receptor inhibitor domperidone inhibit bovine equilibrative nucleoside transporter 1-like activity. J. Agric. Food Chem. 59(17):9691-9699.
Effect of alfalfa (medicago sativa) on fermentation profile and nutritive value of switchgrass (panicum virgatum) and bermudagrass (cynodon dactylon) silages - (Proceedings)
(10-Jul-11)
Endophyte-associated ergot alkaloids - (Popular Publication)
Strickland, J.R. 2012. Endophyte-associated ergot alkaloids. Mcgraw-Hill Yearbook of Science and Technology. 76.
Protein degradation of smooth bromegrass switchgrass and big bluestem in grazing cattle - (Peer Reviewed Journal)
Kirch, B.H., Moser, L.E., Waller, S.S., Klopfenstein, T.J., Klotz, J.L. 2011. Protein degradation of smooth bromegrass switchgrass and big bluestem in grazing cattle. The Professional Animal Scientist. 27:422-427.
Ergovaline recovery from digested residues of grazed tall fescue seedheads - (Abstract Only)
(26-Apr-11)
Ergovaline recovery from digested residues of grazed tall fescue seedheads - (Proceedings)
Goff, B.M., Aiken, G.E., Witt, B.W. 2011. Ergovaline recovery from digested residues of grazed tall fescue seedheads. In: American Forage and Grassland Conference Proceedings, Jun e 12-15, 2011, Frenchlick, IN. 2011 CDROM.
Chemical suppression of seedhead emergence in toxic endophyte-infected tall fescue for improving cattle weight gain and physiology - (Proceedings)
Aiken, G.E., Witt, B.W., Goff, B.M., Kagan, I. 2011. Chemical suppression of seedhead emergence in toxic endophyte-infected tall fescue for improving cattle weight gain and physiology. American Forage and Grassland Conference Proceedings. CDROM.
Disrupted hair follicle activity in cattle grazing endophyte-infected tall fescue in the summer insulates core body temperatures - (Peer Reviewed Journal)
Aiken, G.E., Klotz, J.L., Looper, M.L., Tabler, S.F., Schrick, F.N. 2011. Disrupted hair follicle activity in cattle grazing endophyte-infected tall fescue in the summer insulates core body temperatures. Professional Animal Scientist. 27:336-343.
Effect of ergot alkaloids on contractility of bovine right ruminal artery and vein - (Peer Reviewed Journal)
Foote, A.P., Harmon, D.L., Strickland, J.R., Bush, L.P., Klotz, J.L. 2011. Effect of ergot alkaloids on contractility of bovine right ruminal artery and vein. Journal of Animal Science. 89:2944-2949.
Phytochemicals that modulate amino acid and peptide catabolism by caprine rumen microbes - (Abstract Only)
Flythe, M.D., Kagan, I., Gellin, G.L., Goff, B.M., Aiken, G.E., Cheeke, P.R. 2011. Phytochemicals that modulate amino acid and peptide catabolism by caprine rumen microbes. Conference on Gastrointestinal Function. p. 470.786.
Haemodynamics of lambs grazing perennial ryegrass (Lolium perenne L.) either infected with AR6 novel wild-type endophyte or not infected - (Peer Reviewed Journal)
Aiken, G.E., Sutherland, B., Fletcher, L.R. 2011. Haemodynamics of lambs grazing perennial ryegrass (Lolium perenne L.) either infected with AR6 novel wild-type endophyte or not infected. New Zealand Veterinary Journal. 59(4):179-184.
Bovine neuronal vesicular glutamate transporter activity is inhibited by ergovaline and other ergopeptines - (Peer Reviewed Journal)
Xue, N., Liao, S.R., Strickland, J.R., Boling, J.A., Matthews, J.C. 2011. Bovine neuronal vesicular glutamate transporter activity is inhibited by ergovaline and other ergopeptines. J Dairy Sci. 94:3331-3341.
Contractile response of bovine lateral saphenous vein to ergovaline serotonin2A a2A- and a2C-adrenergic receptor agonists relative to time off endophyte-infected tall fescue - (Abstract Only)
Klotz, J.L., Aiken, G.E., Foote, A.P., Bush, L.P., Brown, K.R., Goff, B.M., Strickland, J.R. 2011. Contractile response of bovine lateral saphenous vein to ergovaline serotonin2A a2A- and a2C-adrenergic receptor agonists relative to time off endophyte-infected tall fescue. Joint Meeting of the ADSA, AMSA, ASAS and PSA. 89(E-Suppl. 1):50.
Endophyte-infected tall fescue seed extract induces constriction of bovine vasculature - (Abstract Only)
Foote, A.P., Harmon, D.L., Brown, K.R., Strickland, J.R., Mcleod, K.R., Bush, L.P., Klotz, J.L. 2011. Endophyte-infected tall fescue seed extract induces constriction of bovine vasculature. Joint Meeting of the ADSA, AMSA, ASAS and PSA. 89(E-Suppl. 1):49-50.
Setting, adjusting stocking rates to meet production goals - (Popular Publication)
Aiken, G.E. 2011. Setting, adjusting stocking rates to meet production goals. Progressive Forage Grower. 12(6):10-12.
Tackle fescue toxicosis with spring strategies - (Popular Publication)
Aiken, G.E. 2013. Tackle fescue toxicosis with spring strategies. Progressive Cattlemen. Pgs. 26-27.
Ergot alkaloids: toxicokinetics and vascular effects - (Book / Chapter)
Strickland, J.R., Brown, K.R., Aiken, G.E., Klotz, J.L., Flythe, M.D. 2012. Ergot alkaloids: toxicokinetics and vascular effects. International Symposium on Fungal Endophytes of Grasses. pgs 14-19.
Board-Invited Review: St Anthony's Fire in Livestock: Causes Mechanisms and Potential Solutions - (Peer Reviewed Journal)
Strickland, J.R., Looper, M.L., Matthews, J.C., Rosekrans, Jr, C., Flythe, M.D., Brown, K.R. 2011. BOARD-INVITED REVIEW: St Anthony's fire in livestock: causes mechanisms and potential solutions. Journal of Animal Science. 89:1603-1626.
Impact of the endophyte on animal production - (Proceedings)
Aiken, G.E. 2011. Impact of the endophyte on animal production. In: 10th Heart of America Grazing Conference and 11th Kentucky Grazing Conference, January 25-26, 2011, Louisville, KY. p. 12-16.
A vascular contractility bioassay using bovine right ruminal artery and vein - (Peer Reviewed Journal)
Klotz, J.L., Bush, L.P., Strickland, J.R. 2011. A vascular contractility bioassay using bovine right ruminal artery and vein. Journal of Animal Science. 89:1944-1951.
Effect of Ergot Alkaloids on Bovine Foregut Vasculature - (Experiment Station)
Foote, A.P., Klotz, J.L., Harmon, D.L., Bush, L.P., Strickland, J.R. 2010. Effect of Ergot Alkaloids on Bovine Foregut Vasculature. Kentucky Beef Report. pgs 33-36.
Tall Fescue Alkaloids Bind Serotonin Receptors in Cattle - (Experiment Station)
Klotz, J.L., Strickland, J.R., Bush, L.P., Brown, K.R., Aiken, G.E. 2010. Tall Fescue Alkaloids Bind Serotonin Receptors in Cattle. Kentucky Beef Report. pgs 37-43.
Performance and physiology of steers grazing toxic tall fescue as influenced by feeding soybean hulls and implanting with steroid hormones - (Experiment Station)
Carter, J.M., Aiken, G.E. 2010. Performance and physiology of steers grazing toxic tall fescue as influenced by feeding soybean hulls and implanting with steroid hormones. Agricultural Experiment Station Publication. Pgs 27-32.
Grazing evaluation of a novel endophyte tall fescue developed for the upper transition zone - (Experiment Station)
Johnson, J.M., Aiken, G.E. 2010. Grazing evaluation of a novel endophyte tall fescue developed for the upper transition zone. Agricultural Experiment Station Publication. Pgs. 21-26.
Steer responses to feeding soybean hulls and steroid hormone implantation on toxic tall fescue pasture - (Peer Reviewed Journal)
Carter, J.M., Aiken, G.E., Dougherty, C., Schrick, N. 2010. Steer responses to feeding soybean hulls and steroid hormone implantation on toxic tall fescue pasture. Journal of Animal Science. 88:3759-3766.
Grazing Evaluation of a Novel Endophyte Tall Fescue Developed for the Upper Transition Zone - (Abstract Only)
Johnson, J.M., Aiken, G.E., Phillips, T., Barrett, M., Schrick, F.N. 2010. Grazing Evaluation of a Novel Endophyte Tall Fescue Developed for the Upper Transition Zone. International Symposium on Fungal Endophytes of Grasses. pp 52-53.
Vasoconstrictive responses of lambs grazing endophyte-infected perennial ryegrass paddocks - (Abstract Only)
Aiken, G.E., Sutherland, L., Fletcher, L. 2010. Vasoconstrictive responses of lambs grazing endophyte-infected perennial ryegrass paddocks. International Symposium on Fungal Endophytes of Grasses. pp 3-4.
Ergot Alkaloids: Toxicokinetics and Vascular Effects in Grazing Animals - (Abstract Only)
Strickland, J.R., Aiken, G.E., Klotz, J.L., Flythe, M.D., Brown, K.R. 2010. Ergot Alkaloids: Toxicokinetics and Vascular Effects in Grazing Animals. International Symposium on Fungal Endophytes of Grasses. pp 103-104.
Profiling the Change in Fecal Microbial Populations of Mares and Foals Over Time - (Abstract Only)
Earing, J.E., Durig, A.C., Gellin, G.L., Flythe, M.D., Lawrence, L.M. 2010. Profiling the Change in Fecal Microbial Populations of Mares and Foals Over Time. Joint Meeting of the ADSA, AMSA, ASAS and PSA.
Chemical Suppression of Seedhead Emergence in Endohyte-Infested Tall Fescue for Improving Steer Weight Gain and Physiology - (Abstract Only)
(26-Apr-10)
Grazing Evaluation of a Novel Endophyte Tall Fescue Developed for the Upper Transition Zone - (Proceedings)
Johnson, J.M., Aiken, G.E. 2010. Grazing Evaluation of a Novel Endophyte Tall Fescue Developed for the Upper Transition Zone. American Forage and Grassland Conference Proceedings.
Impact of the Endophyte on Animal Production - (Proceedings)
Aiken, G.E. 2010. Impact of the Endophyte on Animal Production. American Forage and Grassland Conference Proceedings.
Chaparral Herbicide Application for Suppression of Seedhead Emergence in Tall Fescue Pastures and Possible Alleviation of Fescue Toxicosis - (Proceedings)
Aiken, G.E., Witt, W.W., Kagan, I. 2010. Chaparral Herbicide Application for Suppression of Seedhead Emergence in Tall Fescue Pastures and Possible Alleviation of Fescue Toxicosis. American Forage and Grassland Conference Proceedings.
An Extract of Endophyte Infected Tall Fescue Seed Induces Vasoconstriction of Bovine Foregut Vasculature - (Abstract Only)
Foote, A.P., Klotz, J.L., Bush, L.P., Strickland, J.R., Harmon, D.L. 2010. An Extract of Endophyte Infected Tall Fescue Seed Induces Vasoconstriction of Bovine Foregut Vasculature. International Symposium on Fungal Endophytes of Grasses. pp 33-34.
Efficacy of a Fescue Seed Extract in Inducing Toxicosis in Cattle - (Abstract Only)
Koontz, A.F., Bush, L.P., Klotz, J.L., Mcleod, K.R., Harmon, D.L. 2010. Efficacy of a Fescue Seed Extract in Inducing Toxicosis in Cattle. International Symposium on Fungal Endophytes of Grasses. p 58.
A Simple Tall Fescue Seed Extraction and Partial Purification of Ergovaline - (Abstract Only)
Fannin, F., Ji, H., Klotz, J.L., Bush, L.P. 2010. A Simple Tall Fescue Seed Extraction and Partial Purification of Ergovaline. International Symposium on Fungal Endophytes of Grasses. p 31.
Effects of hops (Humulus lupulus L.) extract on volatile fatty acid production by rumen bacteria - (Peer Reviewed Journal)
Flythe, M.D., Aiken, G.E. 2010. Effects of hops (Humulus lupulus L.) extract on volatile fatty acid production by rumen bacteria. Journal of Applied Microbiology. 109(4):1169-1176.
Ergot alkaloids induce vasoconstriction of bovine foregut vasculature - (Abstract Only)
Foote, A.P., Klotz, J.L., Harmon, D.L., Bush, L.P., Strickland, J.R. 2010. Ergot alkaloids induce vasoconstriction of bovine foregut vasculature. J. Anim. Sci. 88( 2/J). Dairy Sci. Vol. 93(1)/Poult. Sci. 89(1):701.
Antagonism of 5-hydroxytryptamine2A Receptor Results in Decreased Contractile Response of Bovine Lateral Saphenous Vein to Tall Fescue Alkaloids - (Abstract Only)
Klotz, J.L., Strickland, J.R., Bush, L.P., Kirch, B.H., Brown, K.R. 2010. Antagonism of 5-hydroxytryptamine2A Receptor Results in Decreased Contractile Response of Bovine Lateral Saphenous Vein to Tall Fescue Alkaloids. J. Anim. Sci. Vol. 88, E-Suppl. 2/J. Dairy Sci. Vol. 93, E-Suppl. 1/Poult. Sci. Vol. 89, E-Suppl. 1. pg 55.
Development of a fescue toxicosis model using a fescue seed extract - (Abstract Only)
Koontz, A.F., Bush, L.P., Klotz, J.L., Mcleod, K.R., Schrick, F.N., Harmon, D.L. 2010. Development of a fescue toxicosis model using a fescue seed extract. J. Anim. Sci. 88:(2/J). Dairy Sci. 93( 1)/Poult. Sci. 89(1):704.
Tall fescue alkaloids cause vasoconstriction in equine medial palmar artery and vein - (Abstract Only)
Klotz, J.L., Mcdowell, K.J. 2010. Tall fescue alkaloids cause vasoconstriction in equine medial palmar artery and vein. J. Anim. Sci. 88(2/J). Dairy Sci. 93(1)/Poult. Sci. 89(1):55.
Investigtion of the metabolic inhibition observed in solid-substrate cultivation of Clostidium thermocellum on avicel - (Peer Reviewed Journal)
Dharmagadda, V.S., Nokes, S.E., Strobel, H.J., Flythe, M.D. 2010. Investigtion of the metabolic inhibition observed in solid-substrate cultivation of Clostidium thermocellum on avicel. Bioresource Technology. 101:6039-6044.
Antimicrobial Effects of Red Clover (Trifolium pratense) Phenolic Extract on the Ruminal Hyper Ammonia-producing Bacterium, Clostridium sticklandii SR - (Peer Reviewed Journal)
Flythe, M.D., Kagan, I. 2010. Antimicrobial Effects of Red Clover (Trifolium pratense) Phenolic Extract on the Ruminal Hyper Ammonia-producing Bacterium, Clostridium sticklandii SR. Curr Microbiol (2010) 61:125-131.
Effects of intermittent ractopamine hydocloride use on pig growth performance in late finishing - (Peer Reviewed Journal)
Neill, C.R., Goodband, R.D., Tokach, M.D., Nelssen, J.L., Dritz, S.S., Derouchey, J.M., Groesbeck, C.N., Brown, K.R. 2010. Effects of intermittent ractopamine hydocloride use on pig growth performance in late finishing. Professional Animal Scientist. 26:239-242.
Tall Fescue Grazing Research - (Proceedings)
Aiken, G.E. 2009. Tall Fescue Grazing Research. Kentucky Forage and Grassland Council.
The Small Intestinal Epithelia of Beef Steers Differentially Express Sugar Transporter Messenger Ribonucleic Acid in Response to Abomasal Versus Ruminal Infusion of Starch Hydrolysate - (Peer Reviewed Journal)
Liao, S.F., Harmon, D.L., Vanzant, K.R., Mcleod, K.R., Boling, J.A., Matthews, J.C. 2010. The Small Intestinal Epithelia of Beef Steers Differentially Express Sugar Transporter Messenger Ribonucleic Acid in Response to Abomasal Versus Ruminal Infusion of Starch Hydrolysate. Journal of Animal Science. 88:306-314. DOI.10.2527jas.2009-1992.
Contractile response of fescue-naïve bovine lateral saphenous veins to increasing concentrations of tall fescue alkaloids - (Peer Reviewed Journal)
Klotz, J.L., Kirch, B.H., Aiken, G.E., Bush, L.P., Strickland, J.R. 2009. Contractile Response of Fescue-Naïve Bovine Lateral Saphenous Veins to Increasing Concentrations of Tall Fescue Alkaloids. J Anim Sci. 88:408-415.
USDA - Kentucky Report (Annual Report to Sera-Ieg 8, Tall Fescue Toxicosis/endophyte Workshop) - (Other)
Klotz, J.L., Bush, L.P., Strickland, J.R., West, C.P., Dinkins, R.D. 2009. USDA - Kentucky Report (Annual Report to SERA-IEG 8, Tall Fescue Toxicosis/Endophyte Workshop). SERA-IEG 8. p 62-66.
Endoophyte Infected Tall Fescue and Small Ruminant Production: Do We Have a Problem? - (Peer Reviewed Journal)
Ditsch, D.C., Aiken, G.E. 2009. Endoophyte Infected Tall Fescue and Small Ruminant Production: Do We Have a Problem? Forage and Grazinglands. doi:10.1094/FG-2009-1104-02-RS.
Novel endophyte-infected tall fescues - (Peer Reviewed Journal)
Phillips, T., Aiken, G.E. 2009. Novel endophyte-infected tall fescues. Forage and Grazinglands. doi:10.1094/FG-2009-1102-01-RV.
Development and validation of a LC-MS method for quantitation of ergot alkaloids in lateral saphenous vein tissue - (Peer Reviewed Journal)
Smith, D.L., Smith, L.L., Shafer, W.D., Klotz, J.L., Strickland, J.R. 2009. Development and validation of a LC-MS method for quantitation of ergot alkaloids in lateral saphenous vein tissue. Journal of Agricultural and Food Chemistry. 57:7213-7220.
Ergot Alkaloid-Induced Blood Vessel Dysfunction Contributes to Fescue Toxicosis - (Peer Reviewed Journal)
Strickland, J.R., Aiken, G.E., Klotz, J.L. 2009. Ergot Alkaloid-Induced Blood Vessel Dysfunction Contributes to Fescue Toxicosis. Forage and Grazinglands. 4Nov09.
The fescue toxicosis symposium: introduction to the proceedings - (Abstract Only)
Aiken, G.E. 2009. The fescue toxicosis symposium: introduction to the proceedings. Forage and Grazinglands. CD-ROM.
Performance and physiology of yearling steers grazing toxic tall fescue as influenced by feeding soybean hulls and implanting with steroidal horomones - (Proceedings)
Carter, J., Dougherty, C., Aiken, G.E. 2009. Performance and physiology of yearling steers grazing toxic tall fescue as influenced by feeding soybean hulls and implanting with steroidal horomones. American Forage and Grassland Conference Proceedings. CD-ROM.
Grazing Evaluation of a Novel Endophyte Tall Fescue Developed for the Upper Transition Zone - (Abstract Only)
Johnson, J., Aiken, G.E., Phillips, T., Barrett, M. 2009. Grazing Evaluation of a Novel Endophyte Tall Fescue Developed for the Upper Transition Zone. Agronomy Society of America, Crop Science Society of America, Soil Science Society of America Meeting.
Performance and Physiology of Yearling Steers Grazing Toxic Tall Fescue as Influenced by Feeding Soybean Hulls and Steroidal Implants - (Abstract Only)
Carter, J., Aiken, G.E. 2009. Performance and Physiology of Yearling Steers Grazing Toxic Tall Fescue as Influenced by Feeding Soybean Hulls and Steroidal Implants. Agronomy Society of America, Crop Science Society of America, Soil Science Society of America Meeting.
Bioaccumulation of Ergovaline in Bovine Lateral Saphenous Veins in Vitro - (Peer Reviewed Journal)
Klotz, J.L., Kirch, B.H., Aiken, G.E., Bush, L.P., Strickland, J.R. 2009. Bioaccumulation of Ergovaline in Bovine Lateral Saphenous Veins in Vitro. J Anim Sci. 2009. 87:2437-2447.
Validation of Right Ruminal Vein and Artery as Models of Bovine Foregut Vasculature - (Abstract Only)
Klotz, J.L., Bush, L.P., Strickland, J.R. 2009. Validation of Right Ruminal Vein and Artery as Models of Bovine Foregut Vasculature. Joint Abstracts of the American Dairy Science and Society of Animal Science. 87,E-Supp 2. p.83(M257).
Hemodynamics are Altered in the Caudal Artery of Beef Heifers Fed Different Ergot Alkaloid Concentrations - (Peer Reviewed Journal)
Aiken, G.E., Strickland, J.R., Looper, M.L., Bush, L.P., Schrick, F.N. 2009. Hemodynamics are Altered in the Caudal Artery of Beef Heifers Fed Different Ergot Alkaloid Concentrations. J. Anim Sci..2009; 87: 2142-2150
The Antimicrobial Effects of Hops (Humulus lupulus L.) on Ruminal Hyper Ammonia-Producing Bacteria - (Peer Reviewed Journal)
Flythe, M.D. 2009. The Antimicrobial Effects of Hops (Humulus lupulus L.) on Ruminal Hyper Ammonia-Producing Bacteria. The Society for Applied Microbiology, Letters in Applied Microbiology. 48, 712-717.
Composition of horse diets on cool-season grass pastures using microhistological analysis - (Peer Reviewed Journal)
Morrison, J.I., Smith, S.R., Aiken, G.E., Lawrence, L.M. 2009. Composition of horse diets on cool-season grass pastures using microhistological analysis. Forage and Grazinglands. doi:10.1094/FG-2009-0325-01-RS.
Ruminal and Abomasal Starch Hydrolysate Infusions Selectively Decrease the Expression of Cationic Amino Acid Transporter mRNA by Small Intestinal Epithelia of Forage-fed Beef Steers - (Peer Reviewed Journal)
Liao, S.F., Vanzant, E.S., Harmon, D.L., Mcleod, K.R., Boling, J.A., Matthews, J.C. 2009. Ruminal and Abomasal Starch Hydrolysate Infusions Selectively Decrease the Expression of Cationic Amino Acid Transporter mRNA by Small Intestinal Epithelia of Forage-fed Beef Steers. Journal of Dairy Science. 92:1124-1135. DOI:10.3168/jds.2008-1521.
Tennessee Report (Annual Report to SERA-IEG8 Tall Fescue Toxicosis/Endophyte Workshop) - (Other)
Norman, R., Lane, C.D., Fisher, A.E., Campbell, B.T., Schrick, F.N., Waller, J.C., Block, S.S., Kojima, C.J., Spiers, D.E., Klotz, J.L., Strickland, J.R., Bates, G.E., Riggins, J.C., Hopkins, F.M., Edwards, J.L., Prado, T. 2008. Tennessee Report (Annual Report to SERA-IEG8 Tall Fescue Toxicosis/Endophyte Workshop). SERA-IEG 8. Meeting Report pgs 110-121.
Practical Grazing Management and Feed Strategies to Alleviate Fescue Toxicosis - (Proceedings)
Aiken, G.E. 2008. Practical Grazing Management and Feed Strategies to Alleviate Fescue Toxicosis. Kentucky Forage and Grassland Council. Pgs 17-21.
Growing steers grazing high versus low endophyte (Neotyphodium coenophialum)-infected tall fescue have reduced serum enzymes increased hepatic glucogenic enzymes and reduced liver and carcass mass - (Peer Reviewed Journal)
Brown, K.R., Anderson, G.A., Son, K., Rentfrow, G., Bush, L.P., Klotz, J.L., Strickland, J.R., Boling, J.A., Matthews, J.C. 2009. Growing steers grazing high versus low endophyte (Neotyphodium coenophialum)-infected tall fescue have reduced serum enzymes, increasedhepatic glucogenic enzymes, and reduced liver and carcass tissue mass. J. Anim. Sci. 87:748-760.
Asas Centennial Paper: Future Needs of Research and Extension in Forage Utilization - (Peer Reviewed Journal)
Rouquette, F.M., Redmon, L.A., Aiken, G.E., Hill, G.M., Sollenberger, L.E., Andrae, J. 2009. ASAS centennial paper: future needs of research and extension in forage utilization. Journal of Animal Science. 87:438-446.
Regional differences in sweat rate response of steers to short-term heat stress - (Peer Reviewed Journal)
Scharf, B., Was, L.E., Aiken, G.E., Spiers, D. 2008. Regional differences in sweat rate response of steers to short-term heat stress. Journal of Biometeorology. 52:725-732.
Hemodynamics in the Caudal Artery of Beef Heifers Fed Different Ergot Alkaloid Concentrations - (Abstract Only)
Aiken, G.E., Strickland, J.R., Looper, M.L., Schrick, F.N. 2008. Hemodynamics in the Caudal Artery of Beef Heifers Fed Different Ergot Alkaloid Concentrations. J. Anim. Sci. Vol. 86, E-Suppl. p 404.
Forage Systems for the Upper Transition Zone that Utilize Bermudagrass and Cool-Season Annual Grasses - (Abstract Only)
Aiken, G.E. 2008. Forage Systems for the Upper Transition Zone that Utilize Bermudagrass and Cool-Season Annual Grasses. ASA-CSSA-SSSA Annual Meeting Abstracts. 728-4.
Performance and Physiology of Steers Grazing Toxic Tall Fescue as Influenced by Concentrate Feeding and Steroidal Implants - (Abstract Only)
Aiken, G.E. 2008. Performance and Physiology of Steers Grazing Toxic Tall Fescue as Influenced by Concentrate Feeding and Steroidal Implants. ASA-CSSA-SSSA Annual Meeting Abstracts. 731-5.
Steer responses to feeding soybean hulls on toxic tall fescue pasture - (Peer Reviewed Journal)
Aiken, G.E., Mcclanahan, L., Schrick, F.N. 2008. Steer responses to feeding soybean hulls on toxic tall fescue pasture. Professional Animal Scientist. 24:399-403.
Performance and Physiology of Steers Following Grazing of Toxic Tall Fescue as Influenced by Feeding Soybean Hulls on Pasture and Post-Graze Steroid Implantation - (Peer Reviewed Journal)
Aiken, G.E., Mc Clanahan, L.K., Kirch, B.H., Schrick, F.N. 2008. Performance and Physiology of Steers Following Grazing of Toxic Tall Fescue as Influenced by Feeding Soybean Hulls on Pasture and Post-Graze Steroid Implantation. Professional Animal Scientist. 2008. 24:392-398.
Basal Expression of Nucleoside Transporter mRNA Differs Among Small Intestinal Epithelia of Beef Steers and is Differentially Altered by Ruminal or Abomasal Infusion of Starch Hydrolysate - (Peer Reviewed Journal)
Liao, S.F., Alman, M.J., Vanzant, E.S., Miles, E.D., Harmon, D.L., Mcleod, K.R., Boling, J.A., Matthews, J.C. 2008. Basal Expression of Nucleoside Transporter mRNA Differs Among Small Intestinal Epithelia of Beef Steers and is Differentially Altered by Ruminal or Abomasal Infusion of Starch Hydrolysate. Journal of Dairy Science. 91(4):1570-84.
Steers Grazing Toxic Neotyphodium Coenophialum-Infected Forages Have Increased Hepatic Gluconeogenic Capacity - (Abstract Only)
Brown, K.R., Klotz, J.L., Strickland, J.R., Bush, L.P., Boling, J.A., Matthews, J.C. 2008. Steers Grazing Toxic Neotyphodium Coenophialum-Infected Forages Have Increased Hepatic Gluconeogenic Capacity. J. .Anim. Sci. Vol. 86, E-Suppl. 2. p 101.
Grazing Endophyte-Infected Tall Fescue Alters Serotonin Receptor-Induced Contractility of Bovine Lateral Saphenous Veins - (Abstract Only)
Klotz, J.L., Brown, K.R., Xue, Y., Matthews, J.C., Boling, J.A., Bush, L.P., Strickland, J.R. 2008. Grazing Endophyte-Infected Tall Fescue Alters Serotonin Receptor-Induced Contractility of Bovine Lateral Saphenous Veins. J. Anim. Sci. Vol. 86. p 102.
The Effect of Toxic Tall Fescue on Cellobiose-Utilizing Populations in the Bovine Rumen - (Abstract Only)
Flythe, M.D., Gellin, G.L., Klotz, J.L., Strickland, J.R., Brown, K.R., Matthews, J.C., Boling, J.A. 2008. The Effect of Toxic Tall Fescue on Cellobiose-Utilizing Populations in the Bovine Rumen. American Society for Microbiology Annual Meeting. ISBN 978-1555814939. Z-040 (Abstract CD).
Case Study: Influence of Rough Hair Coats and Steroid Implants on the Performance and Physiology of Steers Grazing Endophyte-Infected Tall Fescue in the Summer - (Peer Reviewed Journal)
Mc Clanahan, L.K., Aiken, G.E., Dougherty, C.L. 2008. Case Study: Influence of Rough Hair Coats and Steroid Implants on the Performance and Physiology of Steers Grazing Endophyte-Infexted Tall Fescue in the Summer. Professional Animal Scientist. 24:269-276.
USDA Kentucky Report - (Proceedings)
Strickland, J.R., Dinkins, R.D., Aiken, G.E., Klotz, J.L., Kirch, B.H., Smith, L.L., Barnes, A.J., Waters, W.J., Bush, L.P., Brown, K.R., Matthews, J.C., Boling, J.A. 2007. Usda Kentucky report. SERA-IEG 8. pgs 159-178.
Selection and dietary quality of beef cattle grazing smooth bromegrass, switchgrass, and big bluestem - (Peer Reviewed Journal)
Kirch, B.H., Moser, L.E., Waller, S.S., Klofpenstein, T.J., Aiken, G.E., Strickland, J.R. 2007. Selection and dietary quality of beef cattle grazing smooth bromegrass, switchgrass, and big bluestem. Professional Animal Scientist. 23(6):672-680.
Last Modified: 10/30/2014
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