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Journal of Dairy Science Vol. 31 No. 3 173-177
© 1948 by American Dairy Science Association ®
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Parturient Paresis. II. The Effect of Partial versus Complete Milking upon the Total Blood Serum Calcium of Dairy Cows at Parturition1

Vearl R. Smith and R. P. Niedermeier

Department of Dairy Husbandry

R. G. Hansen

Department of Biochemistry, University of Wisconsin, Madison

ABSTRACT

The complete milking of cows immediately following parturition did not increase the incidence of parturient paresis or was the average total serum calcium greatly different for the two groups.

Determinations for total blood serum calcium were made on samples of blood collected daily from 27 cows of the completely milked group and 29 cows of the partially milked group for 5 days prior to the anticipated day of parturition and for 5 days following calving.

Two cows showed mild symptoms and three had parturient paresis in the completely milked group. Eight cows in the partially milked group had parturient paresis. All cases of parturient paresis occurred in the Jersey-breed.

FOOTNOTES

1 Published with the approval of the Director of the Wisconsin Agricultural Experiment Station






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Copyright © 1948 by the American Dairy Science Association ®.