Search Results - "Cabrera, V. E"

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 by Cabrera, V E

“…This study contributes to the research literature by providing a new formulation for the cow replacement problem, and it also contributes to the Extension…”
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Economics of fertility in high-yielding dairy cows on confined TMR systems by Cabrera, V. E.

“…The objective of this review paper was to summarise the latest findings in dairy cattle reproductive economics with an emphasis on high yielding, confined…”
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Determinants of technical efficiency among dairy farms in Wisconsin by Cabrera, V E, Solís, D, del Corral, J

“…The US dairy sector is facing structural changes including a geographical shift in dairy production and a tendency toward the implementation of more intensive…”
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Decision tree analysis of treatment strategies for mild and moderate cases of clinical mastitis occurring in early lactation by Pinzón-Sánchez, C, Cabrera, V E, Ruegg, P L

“…The objective of this study was to develop a decision tree to evaluate the economic impact of different durations of intramammary treatment for the first case…”
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An economic decision-making support system for selection of reproductive management programs on dairy farms by Giordano, J O, Fricke, P M, Wiltbank, M C, Cabrera, V E

“…Because the reproductive performance of lactating dairy cows influences the profitability of dairy operations, predicting the future reproductive and economic…”
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A daily herd Markov-chain model to study the reproductive and economic impact of reproductive programs combining timed artificial insemination and estrus detection by Giordano, J O, Kalantari, A S, Fricke, P M, Wiltbank, M C, Cabrera, V E

“…Our objective was to compare the economic and reproductive performance of programs combining timed artificial insemination (TAI) and different levels of AI…”
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The effect of reproductive performance on the dairy cattle herd value assessed by integrating a daily dynamic programming model with a daily Markov chain model by Kalantari, A S, Cabrera, V E

“…The objective of this study was to determine the effect of reproductive performance on dairy cattle herd value. Herd value was defined as the herd's average…”
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A large Markovian linear program to optimize replacement policies and dairy herd net income for diets and nitrogen excretion by Cabrera, V E

“…The purpose of the study was 2-fold: 1) to propose a novel modeling framework using Markovian linear programming to optimize dairy farmer-defined goals under…”
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AgClimate: a case study in participatory decision support system development by Breuer, N. E, Cabrera, V. E, Ingram, K. T, Broad, K, Hildebrand, P. E

“…Potential economic benefit exists from the use of seasonal climate forecasts in agriculture. To assess potential end user attitudes toward and interests in…”
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AgClimate: A climate forecast information system for agricultural risk management in the southeastern USA by 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.

“…Seasonal climate variability plays an important role in the production risks faced by producers. The majority of crop failures in the USA are associated with…”
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Identifying cost-minimizing strategies for guaranteeing target dairy income over feed cost via use of the Livestock Gross Margin dairy insurance program by Valvekar, M, Cabrera, V E, Gould, B W

“…Milk and feed price volatility are the major source of dairy farm risk. Since August 2008 a new federally reinsured insurance program has been available to…”
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Measuring farmers' dynamic technical and udder health management inefficiencies: The case of Wisconsin dairy farms by Skevas, T, Cabrera, V E

“…This study measures the dynamic technical and udder health management inefficiencies of a sample of Wisconsin dairy farms. Udder health management inefficiency…”
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Development of a linear programming model for the optimal allocation of nutritional resources in a dairy herd by Bellingeri, A, Gallo, A, Liang, D, Masoero, F, Cabrera, V E

“…A linear programming model that selects the optimal cropping plan and feeds allocation for diets to minimize the whole dairy farm feed costs was developed. The…”
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Soil and runoff response to dairy manure application on New Mexico rangeland by Cabrera, V.E., Stavast, L.J., Baker, T.T., Wood, M.K., Cram, D.S., Flynn, R.P., Ulery, A.L.

“…Manure disposal is a major challenge for the fast-growing dairy industry in New Mexico. There are currently over 355,000 milking cows in the state and limited…”
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Economics of using beef semen on dairy herds by Cabrera, V.E.

“…[Display omitted] •Crossbred beef on dairy is valuable when reproductive performance is better than average.•Crossbred beef on dairy is valuable when crossbred…”
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Invited review: Helping dairy farmers to improve economic performance utilizing data-driving decision support tools by Cabrera, V. E.

“…The objective of this review paper is to describe the development and application of a suite of more than 40 computerized dairy farm decision support tools…”
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A time series analysis of milk productivity in US dairy states by Li, M., Reed, K.F., Cabrera, V.E.

“…As US dairy cow production evolves, it is important to characterize trends and seasonal patterns to project amounts and fluctuations in milk and milk…”
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Economics of production efficiency: Nutritional grouping of the lactating cow by Cabrera, V E, Kalantari, A S

“…Nutritional grouping of lactating cows under total mixed ration (TMR) feeding systems has been discussed in the literature since 1970. Most studies have…”
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Strategies to limit (minimize) nitrogen leaching on dairy farms driven by seasonal climate forecasts by Cabrera, V.E., Jagtap, S.S., Hildebrand, P.E.

“…Dairy farmers in Florida are required to limit nitrogen leaching into the ground water below 10 mg L −1. Literature shows that nitrogen leaching on a dairy…”
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Predicting daily milk yield for primiparous cows using data of within-herd relatives to capture genotype-by-environment interactions by Zhang, F., Weigel, K.A., Cabrera, V.E.

“…This study develops and illustrates a hybrid k-medoids, random forest, and support vector regression (K-R-S) approach for predicting the lactation curves of…”
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