Automatic milking systems, farm size, and milk production

Clarence Alan Rotz, C. U. Coiner, K. J. Soder

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

Automatic milking systems (AMS) offer relief from the demanding routine of milking. Although many AMS are in use in Europe and a few are used in the United States, the potential benefit for American farms is uncertain. A farm-simulation model was used to determine the long-term, whole-farm effect of implementing AMS on farm sizes of 30 to 270 cows. Highest farm net return to management and unpaid factors was when AMS were used at maximal milking capacity. Adding stalls to increase milking frequency and possibly increase production generally did not improve net return. Compared with new traditional milking systems, the greatest potential economic benefit was a single-stall AMS on a farm size of 60 cows at a moderate milk production level (8600 kg/cow). On other farm sizes using single-stall type robotic units, losses in annual net return of $0 to $300/cow were projected, with the greatest losses on larger farms and at high milk production (10,900 kg/cow). Systems with one robot serving multiple stalls provided a greater net return than single-stall systems, and this net return was competitive with traditional parlors for 50- to 130-cow farm sizes. The potential benefit of AMS was improved by $100/cow per year if the AMS increased production an additional 5%. A 20% reduction in initial equipment cost or doubling milking labor cost also improved annual net return of an AMS by up to $100/cow. Annual net return was reduced by $110/cow, though, if the economic life of the AMS was reduced by 3 yr for a more rapid depreciation than that normally used with traditional milking systems. Thus, under current assumptions, the economic return for an AMS was similar to that of new parlor systems on smaller farms when the milking capacity of the AMS was well matched to herd size and milk production level.

Original languageEnglish (US)
Pages (from-to)4167-4177
Number of pages11
JournalJournal of dairy science
Volume86
Issue number12
DOIs
StatePublished - Jan 1 2003

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farm size
milking
milk production
Milk
cows
Economics
Depreciation
farms
Farms
Costs and Cost Analysis
Robotics
milking frequency
economics
large farms
small farms
robots
herd size
Equipment and Supplies

All Science Journal Classification (ASJC) codes

  • Food Science
  • Animal Science and Zoology
  • Genetics

Cite this

Rotz, Clarence Alan ; Coiner, C. U. ; Soder, K. J. / Automatic milking systems, farm size, and milk production. In: Journal of dairy science. 2003 ; Vol. 86, No. 12. pp. 4167-4177.
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Automatic milking systems, farm size, and milk production. / Rotz, Clarence Alan; Coiner, C. U.; Soder, K. J.

In: Journal of dairy science, Vol. 86, No. 12, 01.01.2003, p. 4167-4177.

Research output: Contribution to journalArticle

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