New research on predicting ovulation

Published 26 August 14


Observing a standing heat may be the Holy Grail but the average cow is in heat for less than eight hours and during this time she will only show one standing event each hour.

In 1978, scientists from the US, trained dogs to detect oestrus-related odours in cows. The dogs correctly detected cows in oestrus 87.3% of the time – better than most of the technologies available on the market today.

These detection aids, such as kamars, tail chalk and paint and accelerometers, help detect the primary signs of oestrus and give you an alert that there might be activity but they don’t inform you when to breed your cows. Therefore, identifying the right time to inseminate is sometimes an issue.

While we all know that once standing heat is observed you want to insert semen 8-12 hours before she ovulates, how do you know you are seeing the first standing heat? Listen to Paul Fricke talk about recent research on how accurately an increase in activity can predict the time of ovulation in dairy cows.


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