PEER REVIEWED

Parker, D.B., M. B. Rhoades, G. L. Schuster, J. A. Koziel, Z. L. Perschbacher. Odor characterization at open-lot beef cattle feedyards using triangular forced-choice olfactometry. Submitted to Transactions of the ASAE.

Koziel, J.A., J. P. Spinhirne, J.D. Lloyd, D.B. Parker, D.W. Wright and F.W. Kuhrt. 2005. Evaluation of sample recovery of malodorous livestock gases from air sampling bags, SPME, Tenax TA sorbent tubes, and sampling canisters.  Journal of the AWMA, In Press.

Parker, D.B., S. Pandrangi, L. W. Greene, L. K. Almas, N. A. Cole, M. B. Rhoades, J. A. Koziel. 2005. Rate and frequency of urease inhibitor application for minimizing ammonia emissions from beef cattle feedyards. Transactions of the ASAE. Accepted with minor revision.

Sheffield, R., M. Thompson, B. Dye, and D. Parker.  2004. Sniff and Tell: Study evaluates field-based odor assessment devices and methods for several odor sources. Water Environment Laboratory Solutions. Water Environment Federation 11 (5):8–11.

Parker, D.B., J.E. Mehlhorn, M.S. Brown, S.C. Bressler. 2004. Engineering properties and economics of soil cement feedyard surfacing. Transactions of the ASAE 47(5):1645-1650.  View PDF

Purdy, C.W., D.C. Straus, D.B. Parker, S.C. Wilson and R.N. Clark. 2004. Comparison of the type and number of microorganisms and concentration of endotoxin in the air of feedyards in the Southern High Plains. American Journal of Veterinary Research 65(1):45-52.

Schmidt, T.B., T.H. Montgomery, J.E. Mehlhorn, D.B. Parker, L.J. Perino and T.E. Lawrence. 2002. Survey of carcass characteristics and the estimated economic implications of carcass defects. The Professional Animal Scientist. 18:395-401.

Purdy, C.W., D.C. Straus, N. Chirase, D.B. Parker, J.R. Ayers and M.D. Hoover. 2002. Effects of aerosolized feedyard dust that contains natural endotoxins on adult sheep. American Journal of Veterinary Research 63(1):28-35.

McCullough, M.C., D.B. Parker, C. Robinson and B.W. Auvermann. 2001.  Hydraulic conductivity, bulk density, moisture content and electrical conductivity of a new sandy loam feedlot surface. Applied Engineering in Agriculture 17(4):539-544. View PDF

Purdy, C.W., D.C. Straus, D.B. Parker, B.P. Williams and R.N. Clark. 2001.  Water quality in cattle feedyard playas in winter and summer. American Journal of Veterinary Research 62(9):1402-1407.

Y. Shi, D.B. Parker, N.A. Cole, B.W. Auvermann, J.E. Mehlhorn. 2001. Surface amendments to minimize ammonia emissions from beef cattle feedlots. Transactions of the ASAE 44(3):677-682.  View PDF

Miller, B.L., D.B. Parker, J.M. Sweeten, C. Robinson. 2001. Response of seven crops and two soils to application of beef cattle feedyard effluent. Transactions of the ASAE 44(2):309-315. View PDF

Perino, L. J., D.B. Parker, R. Brown, and M.B. Jeter. 2000. Forces exerted by hydraulic cattle chutes. The Bovine Practitioner 34(1):63-65.

Parker, D.B., L.J. Perino, B.W. Auvermann, and J.M. Sweeten. 2000. Water use and conservation at Texas High Plains beef cattle feedyards. Applied Engineering in Agriculture 16(1):77-82.  View PDF

Mehlhorn, J.E. and D.B. Parker. 2000. Determining a value for waste management in the southern High Plains cattle feeding industry. Presented at the Annual Meeting of the Southern Agricultural Economics Association, Lexington, KY, January 29 - February 2, 2000 (peer-reviewed poster presentation).

Parker, D.B., D.E. Eisenhauer, D.D. Schulte, and D. L. Martin. 1999. Modeling seepage from an unlined beef cattle feedlot runoff storage pond.  Transactions of the ASAE  42(5):1437-1445.  View PDF

Parker, D.B., B. W. Auvermann and D. L. Williams. 1999. Comparison of evaporation rates from feedyard pond effluent and clear water as applied to seepage predictions. Transactions of the ASAE  42(4):981-986. View PDF

Parker, D.B., D. D. Schulte, and D.E. Eisenhauer. 1999. Seepage from earthen animal waste ponds and lagoons - an overview of research results and state regulations. Transactions of the ASAE  42(2):485-493.  View PDF

Parker, D.B., D.E. Eisenhauer, D. D. Schulte, and J.A. Nienaber. 1999. Seepage characteristics and hydraulic properties of a feedlot runoff storage pond. Transactions of the ASAE 42(2):369-380.  View PDF

Parker, D.B., D.D. Schulte, and J.A. Nienaber. 1999. Flat-plate freeze sampler for sludge characterization in a feedlot runoff storage pond. Transactions of the ASAE   42(1):123-125. View PDF

Parker, D.B. 1998. Color and nutrient variation in stratified beef feedyard pond sludge. Applied Engineering in Agriculture  14(6):635-642.

Parker, D.B., T.G. Michel and J.L. Smith. 1995. Compaction and water velocity effects on soil erosion in shallow flow. ASCE Journal of Irrigation and Drainage Engineering  121(2):170-178.

ASAE PAPERS

Parker, D.B., S. Pandrangi, L.W. Greene, L.K. Almas, N.A. Cole, M.B. Rhoades and J. Koziel. 2004. Application rate and timing effects on urease inhibitor performance for minimizing ammonia emissions from beef cattle feedyards. ASAE Paper No. 04-4080.  View PDF

Koziel, J.A., J.P. Spinhirne, J.D. Lloyd, D.B. Parker, D.W. Wright, and F.W. Kuhrt. 2004. Evaluation of sample recovery of malodorous gases from air sampling bags, SPME, and sampling canisters. ASAE Paper No. 04-4129. View PDF

Wright, D.W., D.K Eaton, L.T. Nielsen, F.W. Kuhrt, J.A. Koziel, J.P. Spinhirne and D.B. Parker. 2004. Multidimensional gas chromatography-olfactometry for identification and prioritization of malodors from confined animal feeding operations. ASAE Paper No. 04-4128.  View PDF

Koziel, J.A., B.H. Baek, J.P. Spinhirne, and D.B. Parker. 2004. Ambient ammonia and hydrogen sulfide concentrations at a beef cattle feedlot in Texas. ASAE Paper No. 04-4112.  View PDF

Monroe, M.R., W.J. Rogers and D.B. Parker. 2004. Evaluation of stream sampling methodologies for fecal coliform bacteria. ASAE Paper No. 04-4071.  View PDF

Parker, D.B., M.B. Rhoades, B. W. Auvermann, and J. Koziel. 2003. Odor characterization at open-lot beef cattle feedyards using triangular forced choice olfactometry. ASAE Paper No. 03-4105.  View PDF

Baek, B.H., J.A. Koziel, J.P. Spinhirne, D.B. Parker and N.A. Cole. 2003. Estimation of ammonia and hydrogen sulfide emissions from cattle feedlots in Texas. ASAE Paper No. 03-4111.  View PDF

Buchanan, J.D., D.B. Parker, M.B. Rhoades, J. Koziel and W.J. Rogers. 2003. Assessment of moisture control and additives for odor reduction from open-lot feedyard surfaces. ASAE Paper No. 03-4140.  View PDF

Rhoades, M.B., D.B. Parker and B. Dye. 2003. Measurement of hydrogen sulfide in beef cattle feedlots on the Texas High Plains. ASAE Paper No. 03-4108.  View PDF

Pandrangi, S., D.B. Parker, L.W. Greene, L.K. Almas, M.B. Rhoades and N.A. Cole. 2003. Effect of dietary crude protein on ammonia emissions from open-lot beef cattle feedyards. ASAE Paper No. 03-4143.  View PDF

Parker, D.B., M.B. Rhoades, J. Koziel and J. Spinhirne. 2003. Background odors in Tedlar® bags used for CAFO odor sampling. ASAE Paper No. 03-4144.  View PDF

Parker, D.B., D.L. Williams, N.A. Cole, B.W. Auvermann and W. J. Rogers. 2002.  Dry nonheated anaerobic biogas fermentation using aged beef cattle manure. ASAE Paper No. 02-4142.  Presented at the 2002 ASAE International Meeting, Chicago, Illinois, July 28-31, 2002. (Poster presentation).  View PDF

Rhoades, M.B., D.B. Parker, J.M. Sweeten, N.A. Cole and M.S. Brown. 2002.  Beef feedyard effluent application effects on nutrient mas balances for three cropping rotations of sorghum and wheat.  ASAE Paper No. 02-4147.  Presented at the 2002 ASAE International Meeting, Chicago, Illinois, July 28-31, 2002. (Poster presentation).  View PDF

Talley, J., G. Schuster, D. Parker, B. Clymer and C. Patrick.2002. Monitoring population trends of house flies and stable flies (Diptera: Muscidae) on Texas High Plains feedlots. ASAE Paper No. 02-4149.  Presented at the 2002 ASAE International Meeting, Chicago, Illinois, July 28-31, 2002. (Poster presentation).

Spinhirne, J.P., J. Koziel, D. Parker, D. Williams, A. Cole and J. Sweeten. 2002.  Screening for volatile fatty acids in agricultural air using solid phase microextraction and gas chromatography-mass spectrometry. ASAE Paper No. 02-4163.  Presented at the 2002 ASAE International Meeting, Chicago, Illinois, July 28-31, 2002.

Dye, B.M. and D.B Parker. 2002.  Hydrogen sulfide emissions from Southern Idaho dairies. ASAE Paper No. 02-4230.  Presented at the 2002 ASAE International Meeting, Chicago, Illinois, July 28-31, 2002. (Poster presentation).

Rhoades, M.B., D.B. Parker, J.M. Sweeten, N. A. Cole, and M.S. Brown. 2001. Application of feedyard effluent to winter wheat in field plots. ASAE Paper No. 01-2199.  Presented at the 2001 ASAE International Meeting, Sacramento, California, July 30-Aug 1, 2001. (Poster presentation).

Parker, D.B., J.E. Cahoon, W.J. Rogers, M.B. Rhoades, M.C. McCullough and C. Robinson. 2001. Infiltration characteristics of cracked clay soils in bottoms of feedyard playa catchments. ASAE Paper No. 01-2281.  Presented at the 2001 ASAE International Meeting, Sacramento, California, July 30-Aug 1, 2001. (Poster presentation).

Parker, D.B., J.E. Mehlhorn, M.S. Brown and S.C. Bressler. 2001. Engineering properties and economics of soil cement feedyard surfacing. ASAE Paper No. 01-2282.  Presented at the 2001 ASAE International Meeting, Sacramento, California, July 30-Aug 1, 2001. (Poster presentation).

Talley, J.L., G.L. Schuster, D.B. Parker and B. Clymer. 2001. Monitoring and identification of flying insects at feedyards on the Texas High Plains. ASAE Paper No. 01-2265.  Presented at the 2001 ASAE International Meeting, Sacramento, California, July 30-Aug 1, 2001. (Poster presentation).

See, S.D., D.B. Parker, B.W. Auvermann, J. Koziel and J.M. Sweeten. 2001. Evaluation of fabric swatch types for relative odor intensity at beef cattle feedyards. ASAE Paper No. 01-2260.  Presented at the 2001 ASAE International Meeting, Sacramento, California, July 30-Aug 1, 2001. (Poster presentation).

Rhoades, M.B., D.B. Parker, J.M. Sweeten, L. Perino, N.A. Cole, and M. Brown. 2000. Application of beef cattle feedyard effluent to forage sorghum in field plots.  ASAE Paper No. 00-2052.

Parker, D.B., B.L. Miller, J.M. Sweeten, and C. Robinson. 2000. Nutrient uptake in seven crops following land application of beef cattle feedyard effluent.  ASAE Paper No. 00-2051.

Shi, Y., D.B. Parker, N.A. Cole, B. W. Auvermann, and L.W. Greene. 1999. Soil amendments for minimizing ammonia emissions from feedyard surfaces.ASAE Paper No. 99-4083.

Posey, J.S., D.B. Parker, D.L. Williams, B.W. Auvermann, and N.A. Cole. 1999. Production of biogas in landfill cells using beef cattle manure collected in open lots. ASAE Paper No. 99-4084.

Chavez, J.E., A.I. Mazeroll and D.B. Parker. 1999. Response of Rana pipiens (Leopard Frog) egg and larval developmental stages to varied concentrations of feedlot wastewater runoff.ASAE Paper No. 99-4080.

McCullough, M.C., D.B. Parker, B.W. Auvermann, and C. Robinson. 1999. Investigation of seal formation on the feedlot profile.  ASAE Paper No. 99-4081.

Miller, B., K. Klepper, D. Parker, S. Lott, C. Robinson, J. Sweeten, and G. Blair. 1999. Application of feedlot manure and effluent to forage sorghum. ASAE Paper No. 99-4082.

McCullough, M.C., L. Hinders and D.B. Parker. 1999. Tierra Blanca Creek Restoration Association Project.  ASAE Paper No. 99-2255.

Parker, D.B., B. Weinheimer, B. Auvermann, J. Sweeten, L. Perino, and L. New. 1998. Water use and conservation at beef cattle feedyards. ASAE Paper No. 98-2138.

Auvermann, B.W., D.B. Parker, and C.B. Parnell. 1998. Engineering aspects of simulating the exposure of feedyard cattle to fugitive PM10.ASAE Paper No. 98-4030.

Parker, D.B., D.E. Eisenhauer, J.A. Nienaber, and D.D. Schulte. 1995. Unsaturated seepage from a feedlot runoff storage pond. ASAE Paper No. 95-1765.

Parker, D.B., J.A. Nienaber, D.D. Schulte, and D.E. Eisenhauer. 1995. Flat-plate freeze sampler for stratified sediment sampling in ponds and wetlands. ASAE Paper No. 95-2399.

BOOK CHAPTERS

Parker, D.B. and M.B. Rhoades. 2003. Oxygen Measurement: Biological-Chemical Oxygen Demand. In Encyclopedia of Water Science, 642-644. B.A Stewart and T.A. Howell, eds. New York, NY:Marcel Dekker, Inc..

Parker, D.B. and M.S. Brown. 2003. Water consumption for livestock and poultry production.  In Encyclopedia of Water Science, 588-592. B.A Stewart and T.A. Howell, eds. New York, NY:Marcel Dekker, Inc..

Stewart, B.A., C.A. Robinson, and David B. Parker. 2000. Examples and case studies of beneficial reuse of beef cattle by-products. In Land Application of Agricultural, Industrial, and Municipal By-Products. J.F. Powers and W.P. Dick, Eds. Soil Science Society of America Book Series 6.

EXTENSION PUBLICATIONS

Auvermann, B.W., D.B. Parker and J.M. Sweeten. 2000. Manure harvesting frequency - the key to feedyard dust control in a  summer drought. Texas Agricultural Extension Service, Extension Publication E-52, 4 pp. The Texas A&M University System.

PROCEEDINGS

Parker, D. B.,  N. A. Cole, B. H. Baek, J. A. Koziel, M. B. Rhoades, Z. Perschbacher-Buser, L. W. Greene, P. Sambana and J. M. Sweeten. 2005. Abatement measures to reduce ammonia emissions from open-lot feedyards and dairies. In Symposium of the State of the Science on Animal Manure and Waste Management, San Antonio, TX, January 5-7, 2005.  View PDF

Sweeten, J.M., D. B. Parker, B. W. Auvermann, N.A. Cole, C. Parnell, R. Maghirang, J. P. Murphy, and B. Weinheimer. 2005. Odor, dust, and gaseous emissions from open-lot CAFOs: Southern Great Plains. In Symposium of the State of the Science on Animal Manure and Waste Management, San Antonio, TX, January 5-7, 2005.

Wright, D.W., D.K. Eaton, L. T. Nielsen, F. W. Kuhrt, J. A. Koziel, and D. B. Parker. 2005. Improved, GC-olfactometry based, malodor assessment of swine CAFOs utilizing novel air sampling technologies. In Symposium of the State of the Science on Animal Manure and Waste Management, San Antonio, TX, January 5-7, 2005.

Wang, L., C.B. Parnell, D.B. Parker, R.E. Lacey, B.W. Shaw and J.D. Wanjura. 2004. Engineering basis for odor dispersion modeling - Part I: Preliminary evaluation of ISCST3 for predicting downwind odors. Paper No. 30-219A in the Proceedings of the 2004 CIGR International Conference, Beijing, China, October 11-14, 2004. View PDF

Baek, B-H.,  J.A. Koziel, J. Spinhirne, D. Parker, and N.A. Cole.  2004. Measurements of ammonia and hydrogen sulfide fluxes from cattle pens in Texas.  Paper #04-A-644 in the proceedings of the 2004 AWMA Annual Meeting and Exhibition, Indianapolis, IN, June 2004.

Koziel, J.A., D.B. Parker, B-H. Baek, J. Spinhirne, and J. Sweeten.  2004.  Measurement of odor emissions from swine finish barns in Texas.  Paper # 04-A-645 in the proceedings of the 2004 AWMA Annual Meeting and Exhibition, Indianapolis, IN, June 2004.

Koziel, J.A., J.P. Spinhirne, B-H. Baek, and D.B. Parker. 2004. Measurements of volatile fatty acids flux from cattle pens.  Paper #04-A-646 in the Proceedings of the 2004 AWMA Annual Meeting and Exhibition, Indianapolis, IN, June, 2004.

Koziel, J.A., B.H. Baek, J.P. Spinhirne, D.B. Parker, and N.A. Cole. 2004. Emissions of ammonia and hydrogen sulfide from beef cattle pens in Texas.  In the proceedings of the AgEng 2004, “Engineering the Future” conference in Leuven, Belgium, September, 2004.

Sheffield, R.E, M. Thompson, B. Dye and D. Parker. 2004. Evaluation of field-based odor assessment methods. In Proc. of the Water Environment Federation and the Air and Waste Management Association Conference on Odor and Air Quality. March 19-21, 2004. Tacoma, WA.

Koziel, J.A., J.P. Spinhirne, B-H. Baek, and D.B. Parker. 2004. Air sampling and analysis of volatile fatty acids using sorbent tubes and ATD-GC-MS. In the proceedings of the Pittcon 2004 Conf. and Exhibit. in Analytical Chemistry and Applied Spectr., Chicago, March, 2004.

Baek, B.H., J.A. Koziel, J. Spinhirne, D.B. Parker, and N.A. Cole. 2003. Estimation of ammonia and hydrogen sulfide fluxes from cattle feedyard surfaces in Texas High Plains.  In the proceedings of the ASAE 2003 Third Intl Conf. on Air Pollution from Agricultural Operations, Raleigh, NC, 2003.

Baek, B-H., J.A. Koziel, and D.B. Parker.  2003. Comparison of ammonia and hydrogen sulfide mass emission rates from artificial cattle feedlot surfaces using two designs of isolation flux chambers. In the Proceedings of the CIGR Intl. Symposium on Gaseous and Odour Emissions from Animal Production Facilities, Horsens, Denmark.

Talley, J., G. Schuster, D. Parker, B. Clymer and C. Patrick. 2002. Monitoring population trends of house flies and stable flies (Diptera:Muscidae) on Texas High Plain’s Feedlots. Proceedings of the 46th Annual Livestock Insect Workers Conference, June 23-26, 2002, Ruidoso, NM.

Koziel, J., J. Spinhirne, D.Williams and D. Parker. 2002. Diffusion-based air sampling with solid-phase microextraction for indoor and ambient air. Pittcon Technical Conference and Exposition, March 17-22, 2002, New Orleans, LA.

Sweeten, J.M., N.A. Cole, D.B. Parker, B.W. Auvermann, R. Lacey, and J.A. Koziel. 2001. Controlling ammonia emissions from livestock facilities: state of the science. In Proceedings of the 2001 Annual Meeting of the American Society of Agronomy, Charlotte, NC, October, 2001.

Talley, J.L., G.L. Schuster, D.B. Parker, and B. Clymer. 2001. Monitoring and identification of flying insects at feedyards on the Texas High Plains. Proceedings of the 45th Annual Livestock Insect Workers Conference, July 8-11, 2001, Cody, WY.

Parker, D.B. and B.W. Auvermann. 1999.The proposed USDA-USEPA unified national strategy for animal feeding operations - What's involved?  In Proceedings of the 1999 Plains Nutrition Council Spring Conference, San Antonio, Texas, pp. 21-27. Publication No. AREC 99-9, Texas A&M University.

Sweeten, J.M., N.A. Cole, D.B. Parker and B.W. Auvermann. 1999. Detecting and reducing ammonia emissions from cattle feedlots and dairies: A review. International Workshop on Atmospheric Nitrogen Compounds II: Emissions, Transport, Transformation, Deposition and Assessment.  June 7 - 9, 1999. Chapel Hill, NC.

Parker, D.B., N.A. Cole, Y. Shi, B.W. Auvermann, J.E. Mehlhorn, and L.W. Greene. 1999. Reducing gaseous emissions from beef cattle feedlot surfaces.  Proceedings of the Texas Animal Manure Management Conference. September 9-10. Austin, TX.

Parker, D.B., B.W. Auvermann, and D.L. Williams. 1999. Differences in evaporation between feedyard effluent and clear water cause overprediction of seepage estimates. Proceedings of the High Plains Beef Conference. August 19, 1999. Amarillo, TX.

Miller, B., D. Parker, C. Robinson and J. Sweeten. 1999. Application of feedlot effluent to forage sorghum - a greenhouse study. Proceedings of the High Plains Beef Conference. August 19, 1999. Amarillo, TX.

Shi, Y., D.B. Parker, N.A. Cole, J.E. Mehlhorn, B. W. Auvermann, and L.W. Greene. 1999. Influence of soil amendments on in-vitro ammonia volatilization from cattle manure. Proceedings of the High Plains Beef Conference. August 19, 1999. Amarillo, TX.

Cole, N. Andy, David Parker and L. Wayne Greene. 1999. Atmospheric emissions of nutrients from feedyards and potential control measures. Proceedings of the High Plains Beef Conference. August 19, 1999. Amarillo, TX.

McCullough, M. Carla, David B. Parker, Clay Robinson, and Brent W. Auvermann. 1999. The reduction in hydraulic conductivity of a feedyard surface after eight months of stocking. Proceedings of the High Plains Beef Conference. August 19, 1999. Amarillo, TX.

Purdy, C.W., D.C. Straus, D.B. Parker, and P.B. Williams. 1999. Endotoxin concentration compared at soil surface and at 60 cm depths in a feedyard playa environment. Proceedings of the High Plains Beef Conference. August 19, 1999. Amarillo, TX.

Purdy, C.W., D.C. Straus, R.W. Loan, N. Chirase, D.B. Parker, P.B. Williams, and M.D. Hoover. 1999. Dust and endotoxin appear to significantly impede weight gain of market stressed feeder calves. Proceedings of the High Plains Beef Conference. August 19, 1999. Amarillo, TX.

Parker, D., B. Weinheimer, B. Auvermann, and J. Sweeten. 1998. Water use and recycling at Texas High Plains feedyards. Proceedings High Plains Beef Conference on Health, Nutrition and Environment. August 27-28. Canyon, TX.

Purdy, C., D. Straus, R. Loan, R. Briggs, D. Parker, B. Auvermann, N. Chirase, J. Storz, and P. Williams. 1998. Analysis of endotoxin in feedyard air and playas: Endotoxin effect on market stressed feeder calves. Proceedings High Plains Beef Conference on Health, Nutrition and Environment. August 27-28. Canyon, TX.

Chirase, N., L. Greene, B. Auvermann, T. McCollum, C. Purdy, A. Cole, L. Perino, D. Parker, J. Klaunig, Yong Xu, and E. Walborg. 1998. The relationship of oxidative stress to bovine respiratory disease of feeder cattle. Proceedings High Plains Beef Conference on Health, Nutrition and Environment. August 27-28. Canyon, TX.

Parker, D.B., B.W. Auvermann, B.A. Stewart, and C. A. Robinson. 1997. Agricultural energy consumption, biomass generation, and livestock manure value in the Southern High Plains. In Proceedings of Workshop #1, Livestock Waste Streams: Energy and Environment. Texas Renewable Energy Industries Association:Austin, TX.

Parker, D.B. and R.E. Smith. 1997. A roundtable discussion on energy production from livestock wastes.In Proceedings of Workshop #1, Livestock Waste Streams: Energy and Environment. Texas Renewable Energy Industries Association:Austin, TX.

Parker, D.B., D.D. Schulte, D.E. Eisenhauer and J.A. Nienaber. 1994. Seepage from animal waste lagoons and storage ponds - Regulatory and research review.In Proceedings of the Great Plains Animal Waste Conference, GPAC Pub. No. 151, pp. 87-98.

ABSTRACTS

Auvermann, B.W., J.A. Koziel, D.B. Parker, S. Amosson, L.W. Greene, N. Chirase, N.A. Cole, C. Parnell and J.M. Sweeten. 2001. Cattle feedlot odor and dust control: approaches and recent results. Abstract presented at the Annual Meeting of the American Agricultural Economists Association, Chicago, IL., August, 2001.

Jeter, M.B., M.S. Brown, D.B. Parker and L.J. Perino. 2001. Drinking water intake by finishing yearling beef steers. In Proceedings of the Plains Nutrition Council Spring Conference, p. 88 (abstract), Publ. No. AREC 01-23, Texas A&M University Research and Extension Center, Amarillo, TX.

Rhoades, M.B., D.B. Parker, J.M. Sweeten, N.A. Cole and M.S. Brown. 2001. Application of beef cattle feedyard effluent to forage sorghum in field plots. Poster presented at the Texas A&M University System 2001 Agriculture Program Conference, January 8-10, 2001, College Station, TX.

Talley, J., G. Schuster, D. Parker and B. Clymer. 2001. Fly population dynamics in open-lot beef cattle feeding operations. Poster presented at the Texas A&M University System 2001 Agriculture Program Conference, January 8-10, 2001, College Station, TX.

Schmidt, T.B., T.H. Montgomery, L.J. Perino, D.B. Parker, and J.E. Mehlhorn. 2000. Survey of carcass quality and yield characteristics, and producer and packer related carcass defects. Poster presented at the Texas A&M University System 2000 Agriculture Program Conference, January 11-13, 2000, College Station, TX.

Purdy, C.W., D.C. Straus, N. Chirase, D.B. Parker, and M.D. Hoover. 1999. Effect of feedyard dust and endotoxin on mature sheep. Eightieth Conference of Research Workers in Animal Diseases, November 7-9, 1999. Chicago, Illinois.

Stewart, B.A., C.A. Robinson, and D.B. Parker. 1997. Examples and case studies of beneficial reuse of beef cattle by-products.Agronomy Abstracts, p. 328.

Purdy, C.W., D.C. Straus, D. B. Parker, and B. Auvermann. 1997. Feedyard comparison of endotoxin in air. Proceedings of the Conference of Research Workers in Animal Diseases, No. 76. Iowa State University Press, Ames, IA.

RESEARCH REPORTS

Parker, D.B., J.E. Cahoon, and W.J. Rogers. 2001. Documentation of rapid sealing of cracked playa soils.Final Report to Texas Cattle Feeders Association, Amarillo, TX.

Cole, N.A., D.B. Parker, L.W. Greene, B.W. Auvermann and D. Williams. 2001. Influence of soil amendments on gaseous emissions of nitrogen, carbon and sulfur from feedyards. Final Report to Texas Cattle Feeders Association, Amarillo, TX.

Parker, D.B., D. Williams, N.A. Cole, B.W. Auvermann, and J.S. Posey. 2000. Demonstration of biogas production using low moisture content beef cattle manure. Final Report to the Western Regional Biomass Energy Program, Lincoln, NE.

Parker, D.B. 1999. Thermodynamic evaluation of Ritchie drinking fountains. Final Report to Ritchie Industries, Inc., Conrad, Iowa. August, 1999.
 

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