| Short communication: Effect of stocking rate on the economics of pasture-based dairy farms. | |
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MedLine Citation:
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PMID: 21524549 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Data from a multiyear farm systems study evaluating the effect of stocking rate (SR) on pasture production and utilization, milk production per cow and per hectare, reproduction, and cow health were used to determine the economic implications of altering SR. The effect of SR was also evaluated relative to cow size and total feed available (comparative stocking rate; CSR), to account for differences in cow size and feed supplement availability. Milk production, gross revenue, operating expenses, and operating profit per cow all declined with increasing SR and CSR. In comparison, milk production, gross revenue, and operating expenses per hectare increased with increasing SR and CSR. These effects were irrespective of milk price. The effect of SR on operating profit and return on assets, however, was dependent on milk payment system. When payment was based on the economic value of milk fat and protein, operating profit and return on assets were quadratically associated with both SR and CSR, declining at an SR greater or less than 3.3 cows/ha and a CSR greater or less than 77kg of body weight/t of feed dry matter available. In comparison, when milk payment was based on a fluid milk pricing system, profit per hectare increased linearly with increasing SR and CSR, but return on assets was not affected by SR or CSR. |
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Authors:
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K A Macdonald; D Beca; J W Penno; J A S Lancaster; J R Roche |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of dairy science Volume: 94 ISSN: 1525-3198 ISO Abbreviation: J. Dairy Sci. Publication Date: 2011 May |
Date Detail:
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Created Date: 2011-04-28 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 2985126R Medline TA: J Dairy Sci Country: United States |
Other Details:
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Languages: eng Pagination: 2581-6 Citation Subset: IM |
Copyright Information:
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Copyright © 2011 American Dairy Science Association. Published by Elsevier Inc. All rights reserved. |
Affiliation:
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DairyNZ, Private Bag 3221, Hamilton 3240, New Zealand. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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