Division of Agriculture and Natural Resources
Division of Agriculture and Natural Resources
Division of Agriculture and Natural Resources
University of California
Division of Agriculture and Natural Resources

Betsy M. Karle

Photo of Betsy M. Karle
Area Dairy Advisor & County Director
Cooperative Extension Glenn County
PO Box 697, 821 E. South Street
Orland, CA 95963
(530) 865-1156
bmkarle@ucanr.edu Create VCard

Also in:
Butte County
Tehama County
Shasta County
Sutter-Yuba Counties

Education

M.S. Ecology, UC Davis. 2003
B.S. Agriculture Systems & Environment, UC Davis. 1999

Awards

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

Bibliography

Peer Reviewed

  • Maier, G.U; Rowe, J.D.; Lehenbauer, T.W.; Karle, B.M.; Williams, D.R.; Champagne, J; Aly, S.S. (In Press). Development of a novel clinical scoring system for bovine respiratory disease in weaned dairy calves. Journal of Dairy Science.
  • Maier, G.U; Love, W.J.; Karle, B.M.; Dubrovsky, S.A.; Williams, D.R.; Champagne, J.D.; Anderson, R.J.; Rowe, J.D.; Lehenbauer, T.W.; Van Eenennaam, A.L.; Aly, S.S. (In Press). Management factors associated with bovine respiratory disease (BRD) in preweaned calves on California dairies: the BRD 100 study. Journal of Dairy Science.
  • Miller, Christine M.; Heguy, Jennifer M.; Karle, Betsy M.; Price, Patricia L.; Meyer, Deane. (In Press). Optimizing accuracy of sampling protocols to measure nutrient content of solid manure. Waste Management.
  • Karle, Betsy M.; Maier, Gabriele U.; Love, William J.; Dubrovsky, Sasha A.; Anderson, Randall J.; Van Eenennaam, Alsion L.; Aly, Sharif S. (In Press). Regional management practices and prevalence of bovine respiratory disease in California's preweaned dairy calves. Journal of Dairy Science.
  • Meyer, D.; Karle, B.M.; Heguy, J.M; Stackhouse, J.W.; Mullinax, D.D.; Lewis, D.J. (In Press). UC-Industry-Agency partnerships key to success in dairy water quality policy. California Agriculture.
  • Tempini, PN; Aly, SS; Karle, BM; Pereira, RV (2018). Multidrug residues and antimicrobial resistance patterns in waste milk from dairy farms in Central California. Journal of Dairy Science. 101:9, 8110-8122. September 1, 2018.
  • Miller, Christine M.; Fadel, James G.; Heguy, Jennifer M.; Karle, Betsy M.; Price, Patricia L.; Meyer, Deane. (2018). Optimizing accuracy of protocols for measuring dry matter and nutrient yield of forage crops. Science of the Total Environment. 624, 180-188. May 15, 2018.
  • Love, W. J.; Lehenbauer, T. W.; Karle, B. M.; Hulbert, Lindsey E.; Anderson, Randall J.; Van Eenennaam, A. L.; Farver, T. B.; Aly, S. S. (2016). "Survey of management practices related to bovine respiratory disease in preweaned calves on California dairies." Journal of Dairy Science 99(2): 1483-1494.
  • Davy, J.S.; Karle, B.M.; Kyser, G.B.; DiTomaso, J.M.; Rinella, M.J. (2015). "Broadleaf weed control in irrigated pasture containing Trifolium repens." Crop and Pasture Science 66: 985-991.
  • Meyer, D.; Price, P.; Rossow, H.; Silva del Rio, N.; Karle, B.M.; Robinson, P; DePeters, E.; Fadel, J. (2011). "Survey of dairy housing and manure management practices in California." Journal of Dairy Science 94: 4744-4750.
  • Harter, T.; Atwill, E.R.; Hou, L.; Karle, B.M.; Tate, K.W. (2008). "Developing risk models of Cryptosporidium transport in soils from vegetated, tilted soil box experiments." Journal of Environmental Quality 37: 245-258.
  • Lewis, D.J.; Atwill, E.R.; Lennox, M.; Hou, L.; Karle, B.M.; Tate, K.W. (2005). "Linking on-farm dairy management practices to storm-flow fecal coliform loading for California coastal watersheds." Environmental Monitoring and Assessment 107: 407-425.
  • Lile, D.; Tate, K.W.; Lancaster, D.; Karle, B.M. (2003). "Stubble height standards for Sierra Nevada meadows can be difficult to meet." California Agriculture 57: 60-64.
  • Atwill, E.R.; Hou, L.; Karle, B.M.; Harter, T.; Tate, K.W.; Dahlgren, R (2002). "Transport of Cryptosporidium parvum oocysts through vegetated buffer strips and estimated filtration efficiency." Applied and Environmental Microbiology 68: 5517-5527.

Non-Peer Reviewed

  • Martins, J.P.; Karle, B.M. (2018). Dairy needs assessment results. California Dairy Newsletter. 10:2, 7. May 2018. http://ceglenn.ucanr.edu/newsletters/Dairy_Newsletter75156.pdf
  • Pereira, Richard; Tempini, Paolo; Aly, Sharif; Karle, Betsy (2018). Feeding Waste Milk to Calves: Reducing Antimicrobial Resistance. California Dairy Newsletter. 10:2, 2. May 2018. http://ceglenn.ucanr.edu/newsletters/Dairy_Newsletter75156.pdf
  • Karle, Betsy; Aly, Sharif (2018). Improved Detection and Management Reduces Respiratory Disease in Dairy Calves. California Dairy Newsletter. 10:1, 5. February 2018. http://ceglenn.ucanr.edu/newsletters/Dairy_Newsletter73750.pdf
  • Karle, Betsy (2017). Disbudding with Caustic Paste. California Dairy Newsletter. 9:3, 3. July 2017. http://ceglenn.ucanr.edu/newsletters/Dairy_Newsletter70312.pdf
  • Karle, Betsy (2017). Research Roundup: Prevalence of Salmonella in Cull Cows in California. California Dairy Newsletter. 9:2, 1-2. April 2017. http://ceglenn.ucanr.edu/newsletters/Dairy_Newsletter68983.pdf
  • Karle, Betsy (2017). There's an App for that! Respiratory Disease in Dairy Calves. California Dairy Newsletter. 9:1, 6. January 2017. http://ceglenn.ucanr.edu/newsletters/Dairy_Newsletter67331.pdf
  • Heguy, J. M.; Karle, B.M.; Meyer, D.; Robinson, P (2016). First Golden State Dairy Management Conference a Success- California Research for California Farmers. California Dairy Newsletter. 8:2, 1. April 2016.
  • Karle, B.M. (2016). Jumpstart Your Calves. California Dairy Newsletter. 8:2, 6. April 2016.
  • Karle, B.M. (2016). Jump-Start your calves. Progressive Dairyman. May 24, 2016.
  • Karle, B.M. (2016). Pneumonia in dairy calves. Glenn County Farm Bureau Newsletter. February 2016.
  • Karle, B.M. (2016) Pneumonia Prevalence in Pre-weaned Dairy Calves. Dairy Herd Management
  • Karle, B.M. (2015). Antibiotics on Dairies: Change is Coming. California Dairy Newsletter. 7:3, 1. August 2015.
  • Karle, B.M. (2015). Best Management Practices for Silage Harvest. Glenn County Farm Bureau Newsletter. August 2015.
  • Karle, B.M. (2015). Bovine respiratory scoring system for pre-weaned dairy calves.
  • Karle, B.M. (2015). Evitando los Residuos de Medicamentos (Avoiding Drug Residues). California Dairy Newsletter. SPECIAL EDITION, 2. December 2015.
  • Karle, B.M. (2015). Pneumonia Prevalence in Pre-weaned Dairy Calves. California Dairy Newsletter. 7:4, 5.
  • Karle, B.M. (2015). Pneumonia Prevalence in Pre-weaned Dairy Calves. California Dairy Newsletter. 7:4, 5. October 2015.
  • Karle, B.M.; Dubrovsky, S.A.; Love, W.J.; Williams, D.R.; Stackhouse, J.W.; Anderson, R.J.; Van Eenennaam, A.L.; Lehenbauer, T.W.; Aly, S.S. (2015). Prevalence of bovine respiratory disease in pre-weaned calves in Northern California. American Dairy Science Association, Orlando, FL.
  • Karle, B.M.; Dubrovsky, S.A.; Love, W. J.; Williams, D.R.; Stackhouse, J.W.; Anderson, R.J.; Van Eenennaam, A. L.; Lehenbauer, T.W.; Aly, S.S. (2015). Prevalence of bovine respiratory disease in pre-weaned calves in Northern California. UC ANR Strategic Initiatives Conference, Sacramento.
  • Karle, B.M. (2015). Prevalence of Bovine Respiratory Disease in Pre-Weaned Dairy Calves in Northern California. http://ceglenn.ucanr.edu/Dairy/Calves/, University of California.
  • Karle, B.M. (2015). UC Cooperative Extension in Glenn County: Our roots and our future. Glenn County Farm Bureau Newsletter. February 2015.
  • Karle, B.M. (2015). UCCE in Your Community. Buy Fresh, Buy Local: The Eater's Guide to Local Food, North Valley Region. May 2015.
  • Karle, B.M.; Love, W.J.; Lehenbauer, T.; Van Eenennaam, A.L.; Hulbert, L.; Anderson, R.J.; Kass, P.H.; Farver, T.B.; Aly, S. (2014). A Survey of Calf Rearing Practices on California Dairies [abstract]. 47th American Association of Bovine Practitioners Annual Meeting, Albuquerque, NM.
  • Karle, B.M. (2014). Avoiding Drug Residues. California Dairy. December 2014.
  • Karle, B. M. (2014). Avoiding Drug Residues. California Dairy Newsletter. 6:2, 1. April 2014.
  • Karle, B. M.; Love, W.J.; Aly, S. (2014). Bovine Respiratory Disease in Dairy Calves- Diagnostic Tools and Management Practices. California Dairy Newsletter. 6:4. November 2014.
  • Karle, B.M. (2014) Feeding Your Project Calf.
  • Tate, K.W.; Dahlgren, R.A.; Roche, L.M.; Karle, B. M.; Atwill, E.R. (2014). Management Practices to Improve Water Quality on Central and Western Rangelands. NI R 14-03 Supplemental Paper.. Duke University. Durham, NC.
  • Karle, B. M. (2014). Promote Your Product. California Dairy Newsletter. 6:1, 2. January 2014.
  • Karle, M.S.; Karle, B. M. (2013). Are you Implementing AVMA's new Euthanasia Guidelines? California Dairy Newsletter. 5:2, 2. August 2013.
  • Karle, B. M. (2013). Es ahora el momento para revisar el freestall? (Time for a Freestall Check?). California Dairy Newsletter- Spanish Edition. January 2013.
  • Karle, B. M. (2013). Feeding Calves on a Higher Plane of Nutrition. California Dairy Newsletter. 5:1, 1-2. March 2013.
  • Karle, B.M. (2012). Do You Need to be in the ILRP? California Dairy Newsletter. 4:1, 8. February 2012.
  • Karle, B. M. (2012). Save Money by Sticking to Protocols. California Dairy Newsletter. 4:4, 4. November 2012.
  • Karle, B.M. (2012). Time for a Freestall Check? California Dairy Newsletter. 4:3. August 2012.
  • Karle, B.M. (2011). Summer Silage Sampling Reminders. California Dairy Newsletter. 3:3, 2-3. August 2011.
  • Heguy, J. M.; Karle, B. M.; Price, P. L.; Meyer, D. (2010). "Calculating field nutrient removal rates to comply with General Order for Existing Milk Cow Dairies from California's Central Valley Regional Water Quality Control Board." Journal of Dairy Science 93: 412-412.
  • Heguy, J. M.; Karle, B. M.; Price, P. L.; Meyer, D. (2010). Research Update: Variability in Dry Matter Content of Harvested Corn for Silage. California Dairy Newsletter. 2:3, 4. August 2010.
  • Karle, B. M. (2010). Sterile Milk Sampling. California Dairy Newsletter. 2:5, 5. November 2010.
  • Karle, B. M. (2009). Calf Feeding Notes. California Dairy Newsletter. 1:3, 6. July 2009.
  • Meyer, D.; Price, P.; Collar, C.; Castillo, A.R.; Heguy, J. M.; Higginbotham, G.; Karle, B.M.; Silva del Rio, N. (2009). Evaluating Dairy Facility Options in the Central Valley. California Dairy Newsletter.
  • Karle, B. M. (2009). Prevent Residue Violations in Animals from Your facility. California Dairy Newsletter. 1:4, 3. November 2009.
  • Silva del Rio, N.; Kistler, P.; Karle, B. M. (2009). Survey of Tail Docking Practices in California Dairies. California Dairy Newsletter. 1:2, 3. May 2009.

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