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Bryan L Stegelmeier
Research Veterinary Medical Officer


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
The comparative cytotoxicity of riddelliine in primary mouse, rat, and chick hepatocytes - (Peer Reviewed Journal)
Stegelmeier, B.L., Reseager, W.S., Colegate, S.W. 2020. The comparative cytotoxicity of riddelliine in primary mouse, rat, and chick hepatocytes. Poisonous Plant Research. 3:43-57. https://doi.org/10.26077/p9te-bv07.
Effects of grinding and long-term storage on the toxicity of white snakeroot (Ageratina altissima) in goats - (Peer Reviewed Journal)
Davis, T.Z., Stegelmeier, B.L., Lee, S.T., Green, B.T., Chitko-McKown, C.G. 2018. Effects of grinding and long-term storage on the toxicity of white snakeroot (Ageratina altissima) in goats. Research in Veterinary Science. 118:419-422. https://doi.org/10.1016/j.rvsc.2018.04.006.
Toxic causes of intestinal disease in horses - (Peer Reviewed Journal)
Stegelmeier, B.L., Davis, T.Z. 2018. Toxic causes of intestinal disease in horses. Veterinary Clinics of North America. 34(1):127-139. https://doi.org/10.1016/j.cveq.2017.11.008.
Dehydropyrrolizidine alkaloid toxicity, cytotoxicity, and carcinogenicity - (Peer Reviewed Journal)
Stegelmeier, B.L., Colegate, S.M., Brown, A.W. 2016. Dehydropyrrolizidine alkaloid toxicity, cytotoxicity, and carcinogenicity. Toxins. 8:356. doi:10.3390/toxins8120356.
Fiddleneck (Amsinckia intermedia Lehmann Boraginaceae): Toxicity in cattle potentiated by burrow weed (Isocoma acradenia) - (Peer Reviewed Journal)
Panter, K.E., Colegate, S.M., Davis, T.Z., Welsh, S.L., Gardner, D.R., Cuneo, P.S., Stegelmeier, B.L., Stonecipher, C.A. 2017. Fiddleneck (Amsinckia intermedia Lehmann Boraginaceae): Toxicity in cattle potentiated by burrow weed (Isocoma acradenia). International Journal of Poisonous Plant Research. 4(1):16-24.
Amsinckia Lehmann (Boraginaceae): A summary taxonomic review - (Peer Reviewed Journal)
Welsh, S.L., Panter, K.E., Colegate, S.M., Gardner, D.R., Cuneo, P.S., Davis, T.Z., Stegelmeier, B.L., Stonecipher, C.A. 2017. Amsinckia Lehmann (Boraginaceae): A summary taxonomic review. International Journal of Poisonous Plant Research. 4(1):25-35.
The pathology of select poisonous plant-induced diseases in cattle - ()
Stegelmeier, B.L. 2018. The pathology of select poisonous plant-induced diseases in cattle. In: Buergelt, C.D., Clark, E.G., Del Piero, F., editors. Bovine Pathology: Text and Color Atlas. Boston, MA: CABI. p. 381-417.
Comparative oral dose toxicokinetics of sodium selenite and selenomethionine - (Peer Reviewed Journal)
Davis, T.Z., Tiwary, A.K., Stegelmeier, B.L., Pfister, J.A., Panter, K.E., Hall, J.O. 2017. Comparative oral dose toxicokinetics of sodium selenite and selenomethionine. Journal of Applied Toxicology. 37:231-238. doi: 10.1002/jat.3350.
White snakeroot poisoning in goats: Variations in toxicity with different plant chemotypes Reprint Icon - (Peer Reviewed Journal)
Davis, T.Z., Stegelmeier, B.L., Lee, S.T., Green, B.T., Evans, T.J., Grum, D.S., Buck, S., Meyerholtz, K.A. 2016. White snakeroot poisoning in goats: Variations in toxicity with different plant chemotypes. Research in Veterinary Science. 106:29-36.
Differences between Angus and Holstein cattle in the Lupinus leucophyllus induced inhibition of fetal activity Reprint Icon - (Peer Reviewed Journal)
Green, B.T., Panter, K.E., Lee, S.T., Welch, K.D., Pfister, J.A., Gardner, D.R., Stegelmeier, B.L., Davis, T.Z. 2015. Differences between Angus and Holstein cattle in the Lupinus leucophyllus induced inhibition of fetal activity. Toxicon. 106:1-6.
The comparative toxicity of a reduced, crude comfrey (Symphytum officinale) alkaloid extract and the pure, comfrey-derived pyrrolizidine alkaloids, lycopsamine and intermedine in chicks (Gallus gallus domesticus) Reprint Icon - (Peer Reviewed Journal)
Brown, A.W., Stegelmeier, B.L., Colegate, S.M., Gardner, D.R., Panter, K.E., Knoppel, E.L., Hall, J.O. 2016. The comparative toxicity of a reduced, crude comfrey (Symphytum officinale) alkaloid extract and the pure, comfrey-derived pyrrolizidine alkaloids, lycopsamine and intermedine in chicks (Gallus gallus domesticus). Journal of Applied Toxicology. 36:716-725.
Could nitrile derivatives of turnip (Brassica rapa) glucosinolates be Hepato-and/or cholangiotoxic in cattle? - (Proceedings)
Collett, M.G., Stegelmeier, B.L., Tapper, B.A. 2015. Could nitrile derivatives of turnip (Brassica rapa) glucosinolates be Hepato-and/or cholangiotoxic in cattle?. International Symposium on Poisonous Plants. 9:31-41.
Wild parsnip (Pastinaca sativa)-induced photosensitization in goats and horses - (Proceedings)
Stegelmeier, B.L., Colegate, S.M., Knoppel, E.L., Lemos, D., Rood, K.A., Collett, M.G. 2015. Wild parsnip (Pastinaca sativa)-induced photosensitization in goats and horses. International Symposium on Poisonous Plants. 9:48-53.
Halogeton (Halogeton glomeratus) poisoning in cattle. - (Proceedings)
Rood, K.A., Panter, K.E., Gardner, D.R., Stegelmeier, B.L., Hall, J.O. 2015. Halogeton (Halogeton glomeratus) poisoning in cattle.. International Symposium on Poisonous Plants. 9:118-120.
Species susceptibility to locoweed poisoning and evaluation of chicks as a small animal model of poisoning - (Proceedings)
Stegelmeier, B.L., Davis, T.Z., Welch, K.D., Green, B.T., Gardner, D.R., Lee, S.T., Pfister, J.A., Cook, D., Panter, K.E. 2015. Species susceptibility to locoweed poisoning and evaluation of chicks as a small animal model of poisoning. International Symposium on Poisonous Plants. 9:126-129.
Carcinogenic effects of riddelliine on P53 knockout mice - (Proceedings)
Brown, A.W., Stegelmeier, B.L., Colegate, S.M., Panter, K.E., Knoppel, E.L., Field, R.A., Hall, J.O. 2015. Carcinogenic effects of riddelliine on P53 knockout mice. International Symposium on Poisonous Plants. 9:276-280.
In vitro cytotoxicity of various dehydropyrrolizidine ester alkaloids - (Proceedings)
Field, R.A., Stegelmeier, B.L., Colegate, S.M., Brown, A., Mccollum, I.J., Knoppel, E.L. 2015. In vitro cytotoxicity of various dehydropyrrolizidine ester alkaloids. International Symposium on Poisonous Plants. 9:281-286.
Identification of the toxic components in white snakeroot (Ageratina altissima) - (Proceedings)
Davis, T.Z., Lee, S.T., Collett, M.G., Stegelmeier, B.L., Green, B.T., Grum, D.S. 2015. Identification of the toxic components in white snakeroot (Ageratina altissima). International Symposium on Poisonous Plants. 9:194-200.
Pine needle abortion in cattle update: Metabolite detection in sera and fetal fluids from abortion case samples - (Proceedings)
Gardner, D.R., Panter, K.E., Aduriz, G., Snider, D., Welch, K.D., Stegelmeier, B.L. 2015. Pine needle abortion in cattle update: Metabolite detection in sera and fetal fluids from abortion case samples. International Symposium on Poisonous Plants. 9:301-306.
The clearance of delphinium alkaloids from the serum of cattle - (Proceedings)
Green, B.T., Welch, K.D., Gardner, D.R., Davis, T.Z., Stegelmeier, B.L., Lee, S.T. 2015. The clearance of delphinium alkaloids from the serum of cattle. International Symposium on Poisonous Plants. 9:296-306.
Safety concerns of herbal products and traditional Chinese herbal medicines: Dehydopyrrolizidine alkaloids and aristolochic acid - ()
Stegelmeier, B.L., Brown, A., Welch, K.D. 2015. Safety concerns of herbal products and traditional Chinese herbal medicines: Dehydopyrrolizidine alkaloids and aristolochic acid. Journal of Applied Toxicology. doi: 10.1002/jat.3192.
Safety concerns of herbal products and traditional Chinese herbal medicines: Dehydropyrrolizidine alkaloids and aristolochic acid Reprint Icon - (Peer Reviewed Journal)
Stegelmeier, B.L., Brown, A.W., Welch, K.D. 2015. Safety concerns of herbal products and traditional Chinese herbal medicines: Dehydropyrrolizidine alkaloids and aristolochic acid. Journal of Applied Toxicology. 35(12):1433-1437. https://doi.org/10.1002/jat.3192.
Elk (Cervus elaphus canadensis) preference for feeds varying in selenium concentration Reprint Icon - (Peer Reviewed Journal)
Pfister, J.A., Davis, T.Z., Hall, J.O., Stegelmeier, B.L., Panter, K.E. 2015. Elk (Cervus elaphus canadensis) preference for feeds varying in selenium concentration. Journal of Animal Science. doi: 10.2527/jas2015-9008.
The serum concentrations of lupine alkaloids in orally-dosed Holstein cattle Reprint Icon - (Peer Reviewed Journal)
Green, B.T., Lee, S.T., Welch, K.D., Gardner, D.R., Stegelmeier, B.L., Davis, T.Z. 2015. The serum concentrations of lupine alkaloids in orally-dosed Holstein cattle. Research in Veterinary Science. 100:239-244.
An in vitro comparison of the cytotoxic potential of selected dehydropyrrolizidine alkaloids and some N-oxides Reprint Icon - (Peer Reviewed Journal)
Field, R.A., Stegelmeier, B.L., Colegate, S.M., Brown, A.W., Green, B.T. 2015. An in vitro comparison of the cytotoxic potential of selected dehydropyrrolizidine alkaloids and some N-oxides. Toxicon. 97:36-45.
Toxicity of White Snakeroot (Ageratina altissima) and chemical extracts of White Snakeroot in goats Reprint Icon - (Peer Reviewed Journal)
Davis, T.Z., Lee, S.T., Collett, M.G., Stegelmeier, B.L., Green, B.T., Buck, S.R., Pfister, J.A. 2015. Toxicity of White Snakeroot (Ageratina altissima) and chemical extracts of White Snakeroot in goats. Journal of Agricultural and Food Chemistry. 63(7):2092-2097.
Heterozygous P53 knockout mouse model for dehydropyrrolizidine alkaloid-induced carcinogenesis Reprint Icon - (Peer Reviewed Journal)
Brown, A.W., Stegelmeier, B.L., Colegate, S.M., Panter, K.E., Knoppel, E.L., Hall, J.O. 2015. Heterozygous P53 knockout mouse model for dehydropyrrolizidine alkaloid-induced carcinogenesis. Journal of Applied Toxicology. 35(12):1557-1563.
Targeted grazing of white locoweed: Short-term effects of herbivory regime on vegetation and sheep Reprint Icon - (Peer Reviewed Journal)
Goodman, L.E., Cibils, A.F., Lopez, S.C., Steiner, R.L., Graham, J.D., Mcdaniel, K.C., Abbott, L.B., Stegelmeier, B.L., Hallford, D.M. 2014. Targeted grazing of white locoweed: Short-term effects of herbivory regime on vegetation and sheep. Rangeland Ecology and Management. 67(6):680-92.
Analysis in horse hair as a means of evaluating selenium toxicoses and long-term exposures Reprint Icon - (Peer Reviewed Journal)
Davis, T.Z., Stegelmeier, B.L., Hall, J.O. 2014. Analysis in horse hair as a means of evaluating selenium toxicoses and long-term exposures. Journal of Agricultural and Food Chemistry. 62(30):7393-7397.
Could nitrile derivatives of turnip (Brassica rapa) glucosinolates be hepato- or cholangiotoxic in cattle? Reprint Icon - (Peer Reviewed Journal)
Collett, M.G., Stegelmeier, B.L., Tapper, B.A. 2014. Could nitrile derivatives of turnip (Brassica rapa) glucosinolates be hepato- or cholangiotoxic in cattle? Journal of Agricultural and Food Chemistry. 62(30):7370-7375.
Overview of sweet clover poisoning - ()
Stegelmeier, B.L. 2016. Overview of sweet clover poisoning. In: Aiello, S.E., Moses, M.A, editors. Merck Veterinary Manual. 11th edition. Kenilworth, NJ: Merck and Company. Available: https://www.merckvetmanual.com/SearchResults?query=sweet+clover+poisoning.
Overview of bracken fern poisoning - ()
Stegelmeier, B.L. 2016. Overview of bracken fern poisoning. In: Aiello S.E., Moses, M.A, editors. Merck Veterinary Manual. 11th edition. Kenilworth, NJ: Merck and Company. Available: https://www.merckvetmanual.com/SearchResults?query=bracken+fern+poisoning.
Evaluation of the respiratory elimination kinetics of selenate and Se-methylselenocysteine after oral administration in lambs Reprint Icon - (Peer Reviewed Journal)
Davis, T.Z., Stegelmeier, B.L., Green, B.T., Welch, K.D., Hall, J.O. 2013. Evaluation of the respiratory elimination kinetics of selenate and Se-methylselenocysteine after oral administration in lambs. Research in Veterinary Science. 95(3):1163-1168.
Experimental rayless goldenrod (Isocoma pluriflora) toxicosis in horses - (Peer Reviewed Journal)
Davis, T.Z., Stegelmeier, B.L., Lee, S.T., Green, B.T., Hall, J.O. 2013. Experimental rayless goldenrod (Isocoma pluriflora) toxicosis in horses. Toxicon. 73:88-95.
A toxicokinetic comparison of two species of low larkspur (Delphinium spp.) in cattle Reprint Icon - (Peer Reviewed Journal)
Green, B.T., Welch, K.D., Gardner, D.R., Stegelmeier, B.L., Lee, S.T. 2013. A toxicokinetic comparison of two species of low larkspur (Delphinium spp.) in cattle. Research in Veterinary Science. 95(2):612-615.
Comparative oral dose toxicokinetics of selenium compounds commonly found in selenium accumulator plants Reprint Icon - (Peer Reviewed Journal)
Davis, T.Z., Stegelmeier, B.L., Welch, K.D., Pfister, J.A., Panter, K.E., Hall, J.O. 2013. Comparative oral dose toxicokinetics of selenium compounds commonly found in selenium accumulator plants. Journal of Animal Science. 91(9):4501-4509.