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Automatic milking systems, farm size, and milk production
C A Rotz1, C U Coiner, K J Soder
1USDA/Agricultural Research Service, Pasture Systems and Watershed Management Research Unit, Building 3702, Curtin Road, University Park, PA 16802, USA. alrotz@ars.usda.gov
Journal of Dairy Science
|January 27, 2004
Summary
Automatic milking systems (AMS) can improve net returns for dairy farms, especially when used at maximum capacity. Optimal economic benefits are seen on smaller farms when AMS capacity matches herd size and production levels.
Area of Science:
- Agricultural Economics
- Dairy Science
- Farm Management
Background:
- Automatic milking systems (AMS) are increasingly adopted in Europe, but their economic viability on U.S. dairy farms remains uncertain.
- Traditional milking systems require significant labor and time, presenting challenges for farm management.
- Evaluating the long-term, whole-farm economic impact of AMS is crucial for U.S. dairy producers.
Purpose of the Study:
- To determine the long-term, whole-farm economic effects of implementing automatic milking systems (AMS) on U.S. dairy farms of varying sizes.
- To identify optimal conditions for AMS adoption, considering herd size, milk production, and system configuration.
- To compare the economic performance of AMS with traditional milking systems.
Main Methods:
- A farm-simulation model was utilized to analyze the economic impact of AMS on farms ranging from 30 to 270 cows.
- The model assessed net return to management and unpaid factors under various AMS scenarios, including single-stall and multi-stall configurations.
- Sensitivity analyses were performed to evaluate the effect of changes in production, equipment cost, labor cost, and system depreciation on economic outcomes.
Main Results:
- Highest net returns were achieved when AMS were operated at maximal milking capacity.
- Single-stall AMS showed the greatest economic benefit on 60-cow farms with moderate milk production (8600 kg/cow), but projected losses on other farm sizes.
- Multi-stall AMS systems offered competitive net returns compared to traditional parlors on 50- to 130-cow farms, outperforming single-stall systems.
Conclusions:
- The economic feasibility of AMS is highly dependent on matching system capacity to herd size and milk production levels.
- Factors such as increased milk production, reduced equipment costs, or higher labor expenses can enhance AMS profitability.
- Under current assumptions, AMS can be economically competitive with traditional parlor systems on smaller to medium-sized U.S. dairy farms when optimally implemented.