The 100-day programme - vet Michael Sexton
The Americans call the time from drying off to the first heat post-partum (after calving) as the 100-day period. This is the most important time of the year for determining the subsequent productivity of lactating cows.
The management events which occur during this period make up the 100-day programme.
This time period can be further subdivided into drying off, close up/transition period and the post-calving/fresh cow period.
The most important task is performing the drying off process correctly. It’s important to give cows at least two months dry, as this allows renewal of lactating tissue.
In high-SCC cows that are ...