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The purpose of this study was to estimate trends in conception rate (CR) of Holsteins in the southeastern United States over time across month by milk production level and month by days in milk (DIM) subclasses. Data were obtained from Dairy Records Management Systems (Raleigh, NC) and included...

Huang, C.; Tsuruta, S.; Bertrand, J. K.; Misztal, I.; Lawlor, T. J.; Clay, J. S.
American Dairy Science Association, Savoy, USA
Journal of Dairy Science, 2009, 92, 9, pp 4641-4647

Mention is made of the apparatus developed by the Washington Station for the diagnosis of MASTITIS by measuring the degree of electrical conductivity of milk. As the result is known immediately a physical examination can be made at once and samples collected for confirmatory tests. Experiments at...

Jardine, J. T.; Knight, H. L.
Washington, D.C. : Supt. Documents.,
Department of Agriculture. Report on the Agricultural Experiment Stations, 1940-41., 1942, pp 128 pp.

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