Journal of the Japan Veterinary Medical Association
Online ISSN : 2186-0211
Print ISSN : 0446-6454
ISSN-L : 0446-6454
Effect of Feeding on Blood Composition and Reproductive Function during the Periparturient Period in Dairy Cows
Takeo SASAKI
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1993 Volume 46 Issue 12 Pages 1010-1013

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Abstract

Holstein cows were examined for blood composition about 10 days before and 7, 30 and 60 days after parturition as well as time-period to the postparturient estrus return. There were correlations between improper feeding such as excess DCP and insufficient TDN and abnormal values in Gros reaction and albumin/globulin ratio. In those having abnormal blood values metabolic disorders, dystocia and retention of afterbirth occurred and the estrus return was significantly delayed.

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