Victor E. Cabrera
Victor E. Cabrera
|Occupation||Academic and researcher|
|Awards||Second Mile Award, Wisconsin Association of County Agricultural Agents|
DeLaval Dairy Extension Award, American Dairy Science Association
M.S., Farming Systems Research and Extension
Ph.D., Interdisciplinary Ecology
|Alma mater||Universidad Nacional Agraria La Molina|
University of Florida
|Institutions||University of Wisconsin-Madison|
Victor E. Cabrera is a Peruvian-American academic and researcher. He is a Professor and Extension Specialist in dairy farm management and Alfred Toepfer Faculty Fellow at University of Wisconsin-Madison’s Department of Animal and Dairy Sciences.
Cabrera has developed more than 50 decision support tools for the farming industry. Cabrera is an experienced keynote speaker frequently invited to give talks in international research and extension conferences. He was listed as one of the College experts with the greatest reach through media in 2020 by University of Wisconsin.
Cabrera is an Associate Editor of Frontiers in Animal Science - Precision Livestock Farming, He is the recipient of several awards including Pound Extension Award from University of Wisconsin-Madison College of Agricultural and Life Sciences, and Foundation Scholar Award in Dairy Production by the American Dairy Science Association.
Cabrera studied Biology and Agronomy and graduated from Universidad Nacional Agraria La Molina in 1993. He then enrolled at University of Florida and earned his master's degree in Farming Systems Research and Extension in 1999, and his Doctoral degree in Interdisciplinary Ecology in 2004. He completed his postdoctoral research from University of Miami in 2006.
Cabrera joined New Mexico State University as an Assistant Professor before joining University of Wisconsin-Madison in 2008 as an Assistant Professor of dairy farm management. He was promoted to Associate Professor in 2013 and became a full Professor in 2018.
Cabrera has worked on combining applied research, interdisciplinary approaches, and participatory methods for the development of support tools that are aimed to improve farm profitability, environmental stewardship, and long-term sustainability of the farm industry.
Cabrera focused on the influence of seasonal climate variability and worked on AgClimate, a web-based climate forecast and information system for proactive adaptations to seasonal climate variability forecasts in the USA. He published a paper in the mid 2000 highlighting the system's main components and tools, along with the development of the various upgrades.
Cabrera also investigated the value of ENSO-based climate information and the impact of farm programs in situations involving varying climate, prices, and risk aversion levels. He found seasonal climate forecasts to be of higher value to risk averse farmers. His study also indicated a decrease in the value of forecast information when the commodity loan and crop insurance programs were included in the research. A follow up study proposed optimized crop insurance strategies to reduce farm risk using climate information.
Dairy farm management
Cabrera applied a technical inefficiency model and conducted an empirical analysis to study the determinants of technical efficiency among dairy farms in Wisconsin. He observed increased milk production due to an administration of bovine somatotropin hormone to lactating cows, and also highlighted the influence of farm efficiency on various factors. He presented an economic decision-making support system in the 2010s for predicting the future reproductive and economic performance of dairy herds. He also presented a case study regarding using the proposed model for comparing different reproductive management strategies. Cabrera developed a model that finds optimal strategies for guaranteeing target net returns when enrolling in an dairy farm price insurance program. He later applied the model to investigate the interplay between producer risk preferences, contract design, and premium subsidizing to determine program coverage.
Cabrera assessed the impact of mitigation strategies on greenhouse gas (GHG) emissions and net return to management on 3 farm production systems of Wisconsin. He found that using the effective mitigation strategies reduced GHG emissions and that the outcomes of feeding and manure management mitigation strategies was dependent on the type of farm system. He studied and reported the optimal feeding strategies on certified organic dairy farms. He developed a model to assess the economic value of using earlier chemical pregnancy tests and found that one-week earlier blood chemical tests can be economically effective if they are at least 90% accurate He also developed an economic model for studying the economic impact of twinning in dairy cows and for evaluation of management strategies to mitigate the aforementioned economic effect.
Cabrera also focused on nutrition and nutritional grouping and discussed the relevant constraints by presenting a survey study conducted in Wisconsin and Michigan dairy farms. He also identified the limiting factors regarding the grouping in farms having more than 200 lactating cows. He also highlighted the economic impact of nutritional grouping in dairy herds by applying a stochastic Monte Carlo simulation model. Cabrera developed a new nutritional grouping method, called the OptiGroup, which maximizes the milk income by using a mixed-integer nonlinear programming optimization algorithm. His study indicated OptiGroup to be more economical as compared to the cluster method for nutritional grouping. He also developed a model application for the systematization of nutritional grouping management in commercial dairy farms.
Dairy management tools
Cabrera has conducted research regarding the development of decision support tools. In 2005, he published a paper on the model components and computer implementation of the Dynamic North Florida Dairy farm model (DyNoFlo Dairy), which is a decision support system integrating nutrient budgeting, crop, optimization models, and the economic impacts resulting from reducing the nitrogen leaching in different climatic conditions He developed a decision support tool based on Markov chain model for solving the cow value and the replacement problem, along with future production expectancy of the cow and the genetic gain associated with the replacement. Also, Cabrera proposed a novel modeling framework using Markovian linear programming to optimize dairy farmer-defined goals and illustrate it with a practical application selecting optimal diets throughout entire lactations reaching maximum net income and minimum nitrogen excretion.
Cabrera designed a tool called the Wisconsin-Cornell Dairy Repro implementing the Markov-chain model to study the reproductive and economic impact of reproductive programs combining timed artificial insemination and different levels of artificial insemination after estrus detection.
Data science and precision dairy farming
- 2011 - Foundation Scholar Award in Dairy Production, American Dairy Science Association
- 2011 - Alfred Toepfer Faculty Fellow Award, University of Wisconsin-Madison College of Agricultural and Life Sciences
- 2012 - Pound Extension Award, University of Wisconsin-Madison College of Agricultural and Life Sciences
- 2012 - Distinguished Achievement Award, University of Florida School of Natural Resources and Environment
- 2013 - Second Mile Award, Wisconsin Association of County Agricultural Agents
- 2016 - Vilas Faculty Mid-Career Investigator Award, University of Wisconsin-Madison
- 2019 - DeLaval Dairy Extension Award, American Dairy Science Association
Selected journal articles
- Cabrera, V. E., J. A. Barrientos, H. Delgado, and L. Fadul-Pacheco. 2020. Real-time continuous decision making using big data on dairy farms. Journal of Dairy Science 103:3856–3866.
- Cabrera, V. E., and A. S. Kalantari. 2016. Economics of production efficiency: Nutritional grouping. Journal of Dairy Science 99:825–841.
- Cabrera, V. E. 2014. Economics of fertility in high-yielding dairy cows on confined TMR systems. Animal 8:211-221.
- Cabrera, V. E. 2012. A simple formulation and solution to the replacement problem: A practical tool to assess the economic cow value, the value of a new pregnancy, and the cost of a pregnancy loss. Journal of Dairy Science 95:4683-4698
- Cabrera, V. E. 2010. A large Markovian linear program for replacement policies to optimize dairy herd net income for diets and nitrogen excretion. Journal of Dairy Science 93:394-406
- "Victor E. Cabrera – Animal & Dairy Sciences". andysci.wisc.edu.
- "Dairy Management: Tools". dairymgt.info.
- "2020 CALS Year in Review – eCALS". ecals.cals.wisc.edu.
- "Precision Livestock Farming". www.frontiersin.org.
- "American Dairy Science Association > Foundation > About". www.adsa.org.
- "VICTOR CABRERA". scholar.google.com.
- "AgroClimate – Tools for Managing Climate Risk in Agriculture".
- Fraisse, C. W.; Breuer, N. E.; Zierden, D.; Bellow, J. G.; Paz, J.; Cabrera, V. E.; Garcia y Garcia, A.; Ingram, K. T.; Hatch, U.; Hoogenboom, G.; Jones, J. W.; O’Brien, J. J. (August 1, 2006). "AgClimate: A climate forecast information system for agricultural risk management in the southeastern USA". Computers and Electronics in Agriculture. 53 (1): 13–27. doi:10.1016/j.compag.2006.03.002.
- Cabrera, Victor E.; Letson, David; Podestá, Guillermo (March 1, 2007). "The value of climate information when farm programs matter". Agricultural Systems. 93 (1): 25–42. doi:10.1016/j.agsy.2006.04.005.
- V. E. Cabrera; C. W. Fraisse; D. Letson; G. Podestá; J. Novak (2006). "Impact of Climate Information on Reducing Farm Risk by Optimizing Crop Insurance Strategy". Transactions of the ASABE. 49 (4): 1223–1233. doi:10.13031/2013.21722.
- Cabrera, V.E.; Solís, D.; Del Corral, J. (January 1, 2010). "Determinants of technical efficiency among dairy farms in Wisconsin". Journal of Dairy Science. 93 (1): 387–393. doi:10.3168/jds.2009-2307. PMID 20059937.
- Giordano, J.O.; Fricke, P.M.; Wiltbank, M.C.; Cabrera, V.E. (December 1, 2011). "An economic decision-making support system for selection of reproductive management programs on dairy farms". Journal of Dairy Science. 94 (12): 6216–6232. doi:10.3168/jds.2011-4376. PMID 22118110.
- Valvekar, M.; Cabrera, V.E.; Gould, B.W. (July 1, 2010). "Identifying cost-minimizing strategies for guaranteeing target dairy income over feed cost via use of the Livestock Gross Margin dairy insurance program". Journal of Dairy Science. 93 (7): 3350–3357. doi:10.3168/jds.2009-2815. PMID 20630251.
- Valvekar, Mayuri; Chavas, Jean P.; Gould, Brian W.; Cabrera, Victor E. (November 1, 2011). "Revenue risk management, risk aversion and the use of Livestock Gross Margin for Dairy Cattle insurance". Agricultural Systems. 104 (9): 671–678. doi:10.1016/j.agsy.2011.07.004.
- Dutreuil, M.; Wattiaux, M.; Hardie, C.A.; Cabrera, V.E. (September 1, 2014). "Feeding strategies and manure management for cost-effective mitigation of greenhouse gas emissions from dairy farms in Wisconsin". Journal of Dairy Science. 97 (9): 5904–5917. doi:10.3168/jds.2014-8082. PMID 24996278.
- Hardie, C.A.; Wattiaux, M.; Dutreuil, M.; Gildersleeve, R.; Keuler, N.S.; Cabrera, V.E. (July 1, 2014). "Feeding strategies on certified organic dairy farms in Wisconsin and their effect on milk production and income over feed costs". Journal of Dairy Science. 97 (7): 4612–4623. doi:10.3168/jds.2013-7763. PMID 24819131.
- Giordano, J.O.; Fricke, P.M.; Cabrera, V.E. (February 1, 2013). "Economics of resynchronization strategies including chemical tests to identify nonpregnant cows". Journal of Dairy Science. 96 (2): 949–961. doi:10.3168/jds.2012-5704. PMID 23261387.
- Mur-Novales, R.; Lopez-Gatius, F.; Fricke, P.M.; Cabrera, V.E. (September 1, 2018). "An economic evaluation of management strategies to mitigate the negative effect of twinning in dairy herds". Journal of Dairy Science. 101 (9): 8335–8349. doi:10.3168/jds.2018-14400. PMID 29935817.
- Contreras-Govea, F.E.; Cabrera, V.E.; Armentano, L.E.; Shaver, R.D.; Crump, P.M.; Beede, D.K.; Vandehaar, M.J. (February 1, 2015). "Constraints for nutritional grouping in Wisconsin and Michigan dairy farms". Journal of Dairy Science. 98 (2): 1336–1344. doi:10.3168/jds.2014-8368. PMID 25497796.
- Kalantari, A.S.; Armentano, L.E.; Shaver, R.D.; Cabrera, V.E. (February 1, 2016). "Economic impact of nutritional grouping in dairy herds". Journal of Dairy Science. 99 (2): 1672–1692. doi:10.3168/jds.2015-9810. PMID 26686706.
- Wu, Y.; Liang, D.; Shaver, R. D.; Cabrera, V. E. (May 1, 2019). "An income over feed cost nutritional grouping strategy". Journal of Dairy Science. 102 (5): 4682–4693. doi:10.3168/jds.2018-15302. PMID 30827562.
- Barrientos-Blanco, Jorge A.; White, Heather; Shaver, Randy D.; Cabrera, Victor E. (April 1, 2020). "Improving nutritional accuracy and economics through a multiple ration-grouping strategy". Journal of Dairy Science. 103 (4): 3774–3785. doi:10.3168/jds.2019-17608. PMID 32063376.
- Cabrera, V. E. (January 8, 2018). "Invited review: Helping dairy farmers to improve economic performance utilizing data-driving decision support tools". Animal. 12 (1): 134–144. doi:10.1017/S1751731117001665. PMID 28716166.
- Cabrera, Victor E.; Breuer, Norman E.; Hildebrand, Peter E.; Letson, David (November 1, 2005). "The dynamic North Florida dairy farm model: A user-friendly computerized tool for increasing profits while minimizing N leaching under varying climatic conditions". Computers and Electronics in Agriculture. 49 (2): 286–308. doi:10.1016/j.compag.2005.07.001.
- Cabrera, Victor E.; Hildebrand, Peter E.; Jones, James W.; Letson, David; de Vries, Albert (April 1, 2006). "An integrated North Florida dairy farm model to reduce environmental impacts under seasonal climate variability". Agriculture, Ecosystems & Environment. 113 (1): 82–97. doi:10.1016/j.agee.2005.08.039.
- "Dairy Management - The Economic Value of a Dairy Cow". dairymgt.info.
- Cabrera, V.E. (August 1, 2012). "A simple formulation and solution to the replacement problem: A practical tool to assess the economic cow value, the value of a new pregnancy, and the cost of a pregnancy loss". Journal of Dairy Science. 95 (8): 4683–4698. doi:10.3168/jds.2011-5214. PMID 22818482.
- Cabrera, V.E. (January 1, 2010). "A large Markovian linear program to optimize replacement policies and dairy herd net income for diets and nitrogen excretion". Journal of Dairy Science. 93 (1): 394–406. doi:10.3168/jds.2009-2352. PMID 20059938.
- Giordano, J.O.; Kalantari, A.S.; Fricke, P.M.; Wiltbank, M.C.; Cabrera, V.E. (September 1, 2012). "A daily herd Markov-chain model to study the reproductive and economic impact of reproductive programs combining timed artificial insemination and estrus detection". Journal of Dairy Science. 95 (9): 5442–5460. doi:10.3168/jds.2011-4972. PMID 22916951.
- "Home". Dairy Brain.
- Cabrera, Victor E.; Barrientos-Blanco, Jorge A.; Delgado, Hector; Fadul-Pacheco, Liliana (April 1, 2020). "Symposium review: Real-time continuous decision making using big data on dairy farms". Journal of Dairy Science. 103 (4): 3856–3866. doi:10.3168/jds.2019-17145. PMID 31864744.
- "Citation for Victor Cabrera Recipient of the 2011 ADSA Foundation Scholar Award in Production" (PDF).
- "Faculty fellow awards go to Natalia De Leon, Victor Cabrera and Xuejun Pan – eCALS". ecals.cals.wisc.edu.
- "Congrats to these winners of the 2012 CALS faculty and staff awards". eCALS. March 19, 2012.
- "Awards". Dairy Management.
- "Victor Cabrera receives Vilas Faculty Mid-Career Investigator Award – eCALS". ecals.cals.wisc.edu.
- "Victor Cabrera Receives DeLaval Dairy Extension Award" (PDF).