Measuring Reproductive Performance




Measuring Reproductive Performance in Dairy Herds


Prof. Geert Opsomer

University of Ghent (Belgium)

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Geert R.G. Opsomer (26/9/1965) graduated as a DVM at the Gent University (Gent, Belgium) in 1989. Immediately after graduation, he started to work at the department of Reproduction, Obstetrics and Herd Health at the same university. His main interest was going to fertility and herd health control in high yielding dairy herds. In 1995 he obtained a masters degree (Ms) in animal production with a thesis entitled: ‘Energy metabolism in the high yielding dairy cow’. In 1999 he successfully defended his Ph.D. thesis entitled: ‘Postpartum anoestrusEtat caractérisé par l'absence de cyclicité et donc l'absence de chaleurs. Il est fréquemment observé après la mise-bas pendant une période plus ou moins longue selon la race et l'état physiologique. in high yielding dairy cows: a field study’. In November 2002 he became diplomate of the European College of Animal Reproduction (ECAR), and in 2003 diplomate of the European College of Bovine Health Medicine (ECBHM). At the moment he is
associate professor in the field of bovine reproduction and herd health control at the Veterinary Faculty of the University of Gent (Belgium). Main research topic concerns the interaction between health and metabolism of high yielding dairy cows and their fertility.


Importance of Calving Intervals

Fertility Work Opens the Door to Herd Health Control

Key Components of Fertility Management

Difficulties to Define Fertility KPIs 

Software Caveats

Calving Interval Number

The Importance of Heat Detection 

Tools to Calculate Heat Detection

Performance Indicators

Opsomer's Study

Fertility Study