Theresa A. Becchetti

Farm Advisor
University of California Cooperative Extension
3800 Cornucopia Way
Suite A
Modesto, CA 95358
(209) 525-6800
tabecchetti@ucanr.edu Create VCard

Also in:
San Joaquin County

Education

MS Animal Science, UC Davis. 2002

Awards

Specialty

Livestock and Natural Resources, San Joaquin and Stanislaus Counties

Areas of Expertise (click to see all ANR academics with this expertise)

Bibliography

Peer Reviewed

  • Ratcliff, F.; Barry, S.; Rao, D.; Petterson, R.; Becchetti, T.A.; Kebreab, E.; Motamed, K.; Jung, M.; Mitloehner, F. (2023). Cattle Grazing Moderates Greenhouse Gas and Particulate Matter Emissions from California Grassland Wildfires. Sustainability. 15:18, 13539. 8/2023.
  • Schantz, M.C; Hardegree, S.P.; James, J.J; Sheley, R.L.; Becchetti, T.A. (2023). Modeling Weather Effects on Plant Production in the California Annual Grassland. Rangeland Ecology and Management. Elsevier. Volume 87, 177-184. 03/23. https://www.sciencedirect.com/science/article/pii/S1550742423000040?via%3Dihub
  • Baldwin, R.A.; Becchetti, T.A.; Davy, J.S.; Larsen, R.E.; Mashiri, F.E.; Meirnerz, R.; Ozeran, R.K.; Rao, D. (2022). Estimating reduction in standing crop biomass from California ground squirrels in central California rangelands. Rangeland Ecology and Management. Elsevier. 83, 50-58. https://www.sciencedirect.com/science/article/pii/S155074242200029X
  • Siegel, K.J.; Macaulay, L.; Shapero, M.; Becchetti, T.A.; Larson, S.R.; Mashiri, F.E.; Waks, L.; Larsen, L.; Butsic, V. (2022). Impacts of livestock grazing on the probability of burning in wildfires vary by region and vegetation type in California. Journal of Environmental Management. Elsevier. 332. 08/30/22.
  • Baldwin, R. A.; Becchetti, T.A.; Meinerz, R.; Quinn, N. (2021). Potential impact of diphacinone application strategies on secondary exposure risk in a common rodent pest: implications for management of California ground squirrels. Environmental Science and Pollution Research. 28, 45891-45902.
  • Baldwin, R.A; Becchetti, T.A.; Quinn, N.; Meinerz, R. (2021). Utility of visual counts for determining efficacy of management tools for California ground squirrels. Human-Wildlife Interactions. 15:1, 138-147.
  • Baldwin, R.A; Meinerz, R; Becchetti, T.A.; Quinn, N (2020). Proceedings of the Vertebrate Pest Conference. Does diphacinone application strategy affect secondary exposure risk associated with management of California ground squirrels? 2020.
  • Derose, K.L.; Battaglia, C.F.; Eastburn, D.J.; Roche, L; Becchetti, T.A.; George, H.A.; Lile, D.F.; Lancaster, D.L.; . McDougald, N.K; Tate, K.W. (2020). Riparian health improves with managerial effort to implement livestock distribution practices. The Rangeland Journal. 42:3, 153-160. https://www.publish.csiro.au/RJ/RJ20024
  • Davy, J; Forero, L; Shapiro, M; Rao, D; Becchetti, T.; Koopman Rivers, C; Stackhouse, J; DeAtley, K; McNabb, B (2019). Mineral status of California beef cattle. Translational Animal Science. 3:1, 1-8.

  • Li, X., Flores, K.A., Barry, S., Becchetti, T.A., Doran, M., Finzel, J.A., Larsen, R., Lile, D., McDougald, N., Nguyen, T. and Xiao, C., 2019. Statewide Cross-Sectional Survey of Cryptosporidium and Giardia in California Cow-Calf Herds. Rangeland Ecology & Management, 72(3), pp.461-466.

  • J.J., James; Davy, J.S; Doran, M.P.; Becchetti, T.A.; Brownsey, P; Laca, E.A. (2017). Targeted grazing impacts on invasive and native plant abundance change with grazing duration and stocking density. Range Ecology and Management. 70:4, 465-468.
  • T.A., Becchetti; George, M.R.; McDougald, N.; Dudley, D.; Conner, M.; Flavell, D.; Vaugn, C.;  Forero, L.; Frost, W.E.; Oneto, S.; Larsen, R.;  Striby, K.;  Davy, J.S; Doran, M.P.;  Markegard, G.  (2016). Annual rangeland forage production. UC ANR publication 8018.
  • P., Brownsey; Davy, J.S.;  Becchetti, T.A.; Easley, M.; James, J.J.; Laca, E.A. (2016). Barb goatgrass and medusahead: Timing of mowing and grazing treatments. UC ANR publication 8567.
  • Macon, D.K.; Barry, S.; Becchetti, T.A.;  Davy, J.S.; Doran, M.P.; Finzel, J.A.; George, H.A.; Harper, J.; Huntsinger, L.; Ingram, R.S.; Lancaster, D.E.; Larsen, R.E.; Lewis, D.J.;  Lile, D.F.;  McDougald, N.K.; Mashiri, F.E.; Nader, G.A.; Oneto, S.R.; Stackhouse, J.W.; Roche, L.M. (2016). Coping with drought on California rangelands. Rangelands. 38:4, 222-228.
  • Brownsey, Phillip; James, Jeremy; Barry, Sheila; Becchetti, Theresa; Davy, Josh; Doran, Morgan; Forero, Larry; Harper, John; Larsen, Royce; Larson-Praplan, Stephanie; Zhang, Jimin and Laco (2016). Using Phenology to Optimize Timing of Mowing and Grazing Treatments for Medusahead (Taeniatherum caput-medusae). Rangeland Ecology & Management.
  • James, J.J.; Gornish, E.; DiTomaso, J.M.; Davy, J.S.; Doran, M.P.; Becchetti, T.A.; Wilson, R.; Lile, D.F.; Laca, E.A. (2015). Managing medusahead (Taeniatherum caput-medusae) on rangeland: A meta-analysis of control efforts and assessment of stakeholder needs. Range Ecology and Management. 37:3, 135-137.
  • Davy, J.S.; Becchetti, T.A.; Lile, D.F.; Fulton, A.; Giraud, D. (2011). Establishing and Managing Irrigated Pasture for Horses. ANR. Publication 8486. 2011.
  • Becchetti, T.A.; McDougald, N.; Frost, W.E.; Sullins, J.L. (2010). Estimating the Cost of Replacing Forage Losses on Annual Rangeland. ANR. Publication 8446. 2010.
  • Mohammed, H.O.; Atwill, E.; Dunbar, L.; Ward, T.A.; McDougald, N.; Gonzalez, R.; Stipetic, K. (2010). "The risk of Listeria monocytogenes infection in beef cattle operations." Journal of Applied Microbiology 108(1): 349-356.
  • Tate, K.W.; Lile, D.F.; Doran, M.P.; Becchetti, T.A.; George, H.A.; Lewis, D.J. (2008). Management Options to Reduce Pollutants from Irrigated Pastures. ANR. Publication Number 6590D. 2008.
  • George, M.R.; Barry, S.J.; Larson, S.R.; McDougald, N.K.; Ward, T.A.; Harper, J.M.; Dudley, D.M.; Ingram, R.S.; Laca, E.A. (2006). "Comparison of Comparative Yield and Stubble Height for Estimating Herbage Standing Crop in Annual Rangelands." Rangeland Ecology and Management 59(4): 438-441.
  • Ward, T.A.; Tate, K.W.; Atwill, E.R.; Lile, D.F.; Lancaster, D.L.; McDougald, N.; Barry, S.; Ingram, R.; George, H.A.; Jense, W.; Frost, W.E.; Phillips, R.; Markegard, G.; Larson, S. (2003). "A comparison of three visual assessments for riparian and stream health." Journal of Soil and Water Conservation 58(2): 83-88.

Non-Peer Reviewed

  • Becchetti, T.A. (2023). Carbon Neutral and Net Zero - What is possible with range livestock production? Livestock Lines Newsletter. 28:2. 3/23.
  • Becchetti, T.A. (2023). Grasses vs Trees – Which is a Better Long-Term Carbon Sink in California? Livestock Lines Newsletter. 28:3. 8/2023.
  • Becchetti, T.A. (2023). Testing your hay - What does it all mean? Livestock Lines Newsletter. 28:1. 1/2023.
  • Becchetti, T.A. (2022). 30x30 - What is it and why should I care? Livestock Lines Newsletter. 27:1.
  • Becchetti, T.A. (2022). Grass Tetany Reminders. Livestock Lines Newsletter. 27:1. 1/22.
  • Becchetti, T.A. (2022). Ground Squirrels on Rangelands. Livestock Lines Newsletter. 27:2. 8/22.
  • Becchetti, T.A. (2022). Multibenefit Land Repurposing Program. Livestock Lines Newsletter. 27:1. 1/22.
  • Becchetti, T.A. (2022). Multibenefit Land Repurposing Program. Livestock Lines Newsletter. 27:1. 1/22.
  • Becchetti, T.A. (2022). Policy Impacting California Rangelands and Ranching. Livestock Lines Newsletter. 27:2. August 2022.
  • Resources, University of California Agriculture and Natural (2021). Climate and Health Concept Note. November, 2021. https://ucanr.edu/sites/StrategicInitiatives/files/371598.pdf
  • Becchetti, T.A. (2021). Drought and Livestock. Livestock Lines Newsletter. 26:1.
  • Baldwin, R. A.; Becchetti, T.; Davy, J.; Larsen, R.; Mashiri, F.; Meinerz, R.; Ozeran, R.; Rao., and D. (2021). Rangeland forage loss from California ground squirrels. Vertebrate Pest Control Research Advisory Committee Webinar. 16 November, 2021.
  • Becchetti, T.A.; Barry, S.J.; Horney, M.; Ozeran, R.; Defreese, D.; de la Rosa, C.; Rao, D.R.; Freese, R.; Principe, Z.; Shomo, B. (2020). Grazing. In: Best Management Practices for Non-Chemical Weed Control. Report to California Department of Pesticide Regulation under grant number 18-PML-G002. 291. 146-164. https://weedcut.ipm.ucanr.edu/#gsc.tab=0
  • Becchetti, T.A. (2020). Livestock Production and Environmental Footprint. Livestock Lines Newsletter. 25:2.
  • Baldwin, R. A; Meinerz, R; Quinn, N; Becchetti, T.A.  (2020). Potential secondary toxicity risk associated with differing application strategies of diphacinone-treated grain for California ground squirrel control. 29th Vertebrate Pest Conference, Santa Barbara, CA. March 5, 2020.
  • Barry, S.; Becchetti, T.A. (2019). Livestock’s Impact on Greenhouse Gases. Livestock Lines Newsletter. 24:2. 4/2019.
  • Becchetti, T.A.; Barry, S.J. (2019). Livestock’s Impact on Greenhouse Gasses and California’s Rangelands. May, 2019. https://carangeland.org/2019/05/30/livestocks-impact-on-greenhouse-gasses-and-californias-rangelands/
  • Becchetti, T.A. (2019). Mineral Status of Cattle in California. Livestock Lines Newsletter. 24:1.
  • Becchetti, T.A.; Ozeran, R.; Snell, L.; Macon, D. (2019). Riparian Grazing Case Studies Results from Sixteen Years of Monitoring. Society of Range Management Annual Meeting. 2/11/19.
  • Becchetti, T.A. (2018). Bull Breeding Reminders. Livestock Lines Newsletter. 23:3.
  • Becchetti, T.A. (2018). Pink Eye. Livestock Lines Newsletter. 23:2.
  • Becchetti, T.A. (2018). The Sustainable Diet Discussion – Animal or Plant Based? Livestock Lines Newsletter. 23:4.
  • Becchetti, T.; Barry, S.; Larson, S. (2013). Ecosystem Payments - Considering Lost Opportunities.
  • Becchetti, T.A.; Barry, S.; Larson, S. (2013). Ecosystem Payments - Considering Lost Opportunities. 8th Annual Rangeland Summit.
  • Larson, S.; Barry, S.; Becchetti, T.A.; Doran, M.; Forero, L.; George, H.A.; George, M.; Ingram, R.; Eviner, V. (2012). Best Management Practices on Rangelands to Influence Ecosystem Services. 65th Society for Range Management Annual Meeting, Spokane, WA.
  • Becchetti, T.A. (2012). "Grass Tetany." Stanislaus County Farm Bureau Farm News
  • Becchetti, T.A.; Larson, S.; DiTomaso, J.; Laca, E.A.; George, M. (2012). Web-based Decision Support Matrix for Integrate Weed Management. 65th Society for Range Management Annual Meeting, Spokane, WA.
  • Becchetti, T.A. (2011). "Estimating the Cost of Replacing Forage Losses on California Annual Rangeland." Stanislaus County Farm Bureau Farm News
  • Becchetti, T.A.; McDougald, N.; Frost, W.E.; Sullins, J. (2011). Estimating the Cost of Replacing Forage Losses on California Annual Rangeland. 64th Society for Range Management Annual Meeting, Billings, MT.
  • Tate, K.W.; Roche, L.; Becchetti, T.A.; Lile, D.F.; Lewis, D.; O'Geen, A.; Dahlgren, R.; George, M.; Atwill, E. (2011). Healthy Rangeland Watersheds and Productive Livestock Enterprises: Why Not? 64th Society for Range Management Annual Meeting, Billings, MT.
  • Becchetti, T.A. (2011). "Livestock 101 â?? Useless Trivia to stump your relatives." Stanislaus County Farm Bureau Farm News
  • Kuhns, M. (2011). Natural Resources Extension Programs and Impacts, Water Issues. Association of Natural Resources Extension Professionals. September 2011.
  • Becchetti, T.A. (2010). "Carbon Sequestration on Rangelands." Stanislaus County Farm Bureau Farm News
  • Larsen, R.; Becchetti, T.A.; Forero, L. (2010). Goal Driven Leases as an Ecosystem Service. 63rd Society for Range Management Annual Meeting. Denver, CO. 2010.
  • Barry, S.; Larson-Praplan, S.R.; Zhang, J.; Dillard, C.; Schriefer, C.; Cherr, C.; Laca, E.A. (2009). Ecological and Economical Impacts of Management Options for Medusahead Control. 62nd Society for Range Management Annual Meeting. Albuquerque, New Mexico. 2009.
  • Becchetti, T.A. (2009). "Ecological and Economical Impacts of Management Options for Medusahead Control." Stanislaus County Farm Bureau Farm News
  • Doran, M.P.; Becchetti, T.A.; Larson, S.R.; George, M.R.; Cherr, C.; Kyser, G.B.; DiTomaso, J.M.; Harper, J.M.; Davy, J.; Laca, E.A. (2009). The role of livestock and precision grazing for controlling noxious weeds invading annual rangelands. European Association for Animal Production 60th Annual Meeting. Barcelona, Spain. Session 34. 2009.
  • George, Melvin; Barry, Sheila; Becchetti, Theresa; Larsen, Stephanie; Daly, Josh; Larsen, Royce; Striby, Karl (2008). "Coastal Clayey Ecological Site Description (R015XI020CA)." Ecological Site Information System from http://esis.sc.egov.usda.gov/.
  • Becchetti, T.A.; Barry, S. (2008). "Connecting youth with natural resource management." UC Delivers
  • Becchetti, T.A.; Schriefer, C.; Zhang, J.; Cherr, C.; Harper, J.; Doran, M.; Larson, S.R.; Barry, S.; Davy, J.; Larsen, R.; Forero, L.; Laca, E. (2008). Controlling Medusahead â?? Identifying The Period Of Susceptibility. 61st Annual Society for Range Management. Louisville, KY. January 27-31, 2008.
  • George, Melvin; Barry, Sheila; Becchetti, Theresa; Oster, Ken (2008, 2008). "Deep Clay Ecological Site Description (R015XI009CA)." Ecological Site Information System from http://esis.sc.egov.usda.gov/.
  • George, Melvin; Barry, Sheila; Larsen, Stephanie; Becchetti, Theresa; Harper, John; Larsen, Royce; Schriefer, Craig; Striby, Karl (2008, 2008). "Fine Loamy Upland Ecological Site Description (R015XI015CA)." Ecological Site Information System

  • George, M.; Becchetti, T.; Davy, J.; Larsen, R.; Barry, S. (2008). "Gravelly Fine Loam Ecological Site Description (R015XI022CA)." Ecological Site Information System from http://esis.sc.egov.usda.gov/.

  • Larson, S.R.; Harper, J.M.; Becchetti, T.A.; Doran, M.; Barry, S.; Davy, J.; Cherr, C.; Schriefer, C.; Zhang, J.; Laca, E. (2008). Grazing Strategies to Control Medusahead On California Rangelands. 61st Annual Society for Range Management. Louisville, KY. January 27-31, 2008.
  • George, Melvin; Frost, Bill; Becchetti, Theresa; Doran, Morgan; Forero, Larry (2008, 2008). "Loamy Foothills Ecological Site Description (R018XI007CA)." Ecological Site Information System from http://esis.sc.egov.usda.gov/.
  • Barry, S.; Becchetti, T.A.; Schor, T. (2008). Outreach to a Coalition: Environmentalist, agencies and ranchers working together to conserve CA Rangelands. 61st Annual Society for Range Management. Louisville, KY. January 27-31, 2008.
  • George, Melvin; Becchetti, Theresa; Oster, Ken; Barry, Sheila (2008, 2008). "Shallow Loamy Upland Ecological Site Description (R015XI011CA)." Ecological Site Information System from http://esis.sc.egov.usda.gov/.
  • Becchetti, T.A.; Lile, D.F.; Lancaster, D.L.; George, H.A.; Davy, J.; Fulton, A.; Forero, L.; Doran, M.; Brown, H.; Atwill, E.R.; Tate, K.W. (2008). The Effect Of Irrigated Pasture Management On Water Quality. 61st Annual Society for Range Management. Louisville, KY. January 27-31, 2008.
  • Becchetti, T.A. (2007). "Oakdale Livestock Forum." UC Delivers
  • Becchetti, T.A.; Frost, W.E.; Barry, S.; Atwill, E.R.; Churches, K. (2007). "Water quality and continued grazing can coexist at Pardee Reservoir." UC Delivers
  • Becchetti, T.A.; Lile, D.F.; George, H.A.; Lancaster, D.L.; Davy, J.S.; Fulton, A.; Forero, L.; Doran, M.P.; Brown, H.; Atwill, E.R.; Tate, K.W. (2007). Water Quality Update â?? Survey of Irrigated Pastures and Meadows. California Cattlemenâ??s Association. July/August 2007.
  • Becchetti, T.A.; Tate, K.W.; Atwill, E.R.; Lile, D.F.; Lancaster, D.L.; McDougald, N.; Barry, S.; Ingram, R.; George, H.A.; Jensen, W.J.; Frost, W.E.; Larsen, R.; Phillips, R.; Horny, M.; Harper, J.; Markegard, G.; Larson, S.; Delmas, R.; Farley, J.; Forero, L. (2006). Riparian grazing strategies and their impact on riparian health. San Jose, CA, Cal-Pac Society for Range Management. June 2006.
  • Becchetti, T.A.; Tate, K.W.; Atwill, E.R.; Lile, D.F.; Lancaster, D.L.; McDougald, N.; Barry, S.; Ingram, R.; George, H.A.; Jensen, W.J.; Frost, W.E.; Larsen, R.; Phillips, R.; Horny, M.; Harper, J.; Markegard, G.; Larson, S.; Delmas, R.; Farley, J.; Forero, L. (2006). Riparian grazing strategies and their impact on riparian health. International Conference on The Future of Agriculture: Science, Stewardship, and Sustainability. Sacramento, CA. August 2006.
  • Becchetti, T.A.; Tate, K.W.; Atwill, E.R.; Lile, D.F.; Lancaster, D.L.; McDougald, N.; Barry, S.; Ingram, R.; George, H.A.; Jensen, W.J.; Frost, W.E.; Larsen, R.; Phillips, R.; Horny, M.; Harper, J.; Markegard, G.; Larson, S.; Delmas, R.; Farley, J.; Forero, L. (2006). Riparian grazing strategies and their impact on riparian health. Rangeland Watershed Workgroup Meeting. Davis, CA. December 2006.
  • Becchetti, T.A. (2006). San Joaquin County Field Notes. San Joaquin County Field Notes. 2006 to current.
  • Tate, K.W.; Battaglia, C.; Ward, T.A.; George, H.A.; Lancaster, D.L.; Lile, D.F.; McDougald, N.; Atwill, E.R. (2005). Confirmation of Riparian Friendly Grazing Project Results and Development of Achievable Site Specific Reference Conditions for Grazed Riparian Areas. Submitted to USDA Western SARE. 2005.
  • Evans, J.; Davy, J.; Ward, T.A. (2005). Livestock Identification: An Introduction to Electronic Animal Identification Systems and Comparison of Technologies. 3. 2005.
  • Ward, T.A. (2003). Bovine Spongiform Encephalopathy Question and Answers. 2003.
  • Ward, T.A.; Tate, K.W.; Atwill, E.R. (2003). Guidelines for Monitoring the Establishment of Riparian Grazing Systems. Rangeland Monitoring Series. ANR. Publication #8094. 2003.
  • Ward, T.A.; Tate, K.W.; Atwill, E.R.; Lile, D.F.; Lancaster, D.L.; McDougald, N.; Barry, S.; Ingram, R.; George, H.A.; Jensen, W.; Frost, W.E.; Larsen, R.; Harper, J.M.; Horney, M.R.; Markegard, G.; Larson, S.; Phillips, R.; Delmas, R.; Farley, J.; Forero, L. (2003). Riparian Grazing: Can it work for me? California Cattleman Magazine. July/August 2003.
  • Ward, T.A.; Tate, K.W.; Atwill, E.R. (2003). Visual Assessment of Riparian Health. Rangeland Monitoring Series. ANR. Publication #8089. 2003.
  • Ward, T.A. (2003). West Nile Virus informational data sheet. 2003.
  • Becchetti, T.A. (2002). Livestock Lines. Livestock Lines. 2002 to current.
  • Ward, T.A.; Tate, K.W.; Atwill, E.R. (2001). A comparison of three riparian resource assessments. Society for Range Management 54th Annual Conference. 2001.
  • Ward, T.A.; Tate, K.W.; Atwill, E.R. (2001). A comparison of three riparian resource assessments. Riparian Habitat and Floodplains Conference. Sacramento, CA. 2001.
  • Ward, T.A.; Tate, K.W.; Atwill, E.R. (2000). A cross-sectional survey of Californiaâ??s grazed rangeland riparian areas. Riparian Habitat and Floodplains Conference proceedings.
  • Ward, T.A.; Stokes, C.A.; Dietterick, B.; Tate, K.W. (2000). An evaluation of water quality monitoring kits used in San Luis Obispo County, California. Society for Range Management 53rd Annual Conference. 2000.
  • Ward, T.A.; Tate, K.W.; Atwill, E.R. (2000). Riparian Grazing Project. Society for Range Management 53rd Annual Conference. 2000.
  • Ward, T.A. (2000). Stenner Creek: A case study in riparian grazing management. Society for Range Management 53rd Annual Conference. 2000.
  • Ward, T.A. (1999). A comparison between scientific water quality testing and rancher available kits for nonpoint source pollution. EPA Seventh National Nonpoint Source Monitoring Workshop. 1999.

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