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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number K5176-3

Since 1953, milk production per cow has tripled from 645 gallons of milk per year to 2,160 gallons, largely because of ARS research efforts.

Photo by Keith Weller.



640 pixels wide: (k5176-3.jpg)




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Last Modified: 5/23/2006
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