SUMMARY Subclinical ketosis or hyperketonaemia of the dairy cow is a disease originating from the high milk yield and causing primarily economic loss. Measuring beta-hydroxybutyrate concentration in the blood at cow ...

SUMMARY The authors in this literature review emphasize that parallel with the successful genetic selection for higher milk production in Holstein dairy cows, a dramatic decline in their reproductive performance has ...

SUMMARY The successful genetic selection for higher milk production caused a dramatic decline in the reproductive performance of dairy cows all over the world during the last decades. Achievement ...

SUMMARY The authors summarize the recent results about the bacterial complications of the involution. Achieving the optimum herd reproductive performance requires concentrated management activities such as careful ...