| Standards of weight and height for Ayrshire, brown Swiss, and milking shorthorn heifers. | |
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MedLine Citation:
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PMID: 8083427 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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To develop a modern appraisal of growth for Ayrshire, Brown Swiss, and Milking Shorthorn dairy heifers, data on heart girth and height at withers were collected from 1279 Ayrshire heifers (33 herds), 1819 Brown Swiss heifers (46 herds), and 565 Milking Shorthorn heifers (20 herds), ages 1 to 25 mo, in herds located throughout the US. Means and standard deviations were determined for height and heart girth for each month of age. Third-order regressions on age were fitted to the means to describe height and heart girth. Estimated mean height and heart girth at 6, 12, 18, and 24 mo, in centimeters, were for Ayrshire 98.7 and 118.4, 114.4 and 145.9, 122.8 and 163.2, and 127.6 and 176.4; for Brown Swiss 102.6 and 122.3, 199.4 and 151.3, 128.7 and 168.8, and 134.0 and 182.0; and for milking Shorthorn 98.0 and 119.4, 113.6 and 148.6, 122.6 and 166.6, and 127.7 and 179.9, respectively. These data can be useful to evaluate the heifer rearing program with respect to the growth rates of heifers on an individual farm. |
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Authors:
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A J Heinrichs; G L Hargrove |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Journal of dairy science Volume: 77 ISSN: 0022-0302 ISO Abbreviation: J. Dairy Sci. Publication Date: 1994 Jun |
Date Detail:
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Created Date: 1994-10-10 Completed Date: 1994-10-10 Revised Date: 2006-11-15 |
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: 1676-81 Citation Subset: IM |
Affiliation:
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Department of Dairy and Animal Science, Pennsylvania State University, University Park 16802. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aging Animals Body Height* Body Weight* Cattle / genetics, growth & development* Female Reference Values Regression Analysis Species Specificity |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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