Cargill dairy consultant Shane Holt scrutinized records and found a correlation between calving age and lower lifetime output.
The “sweet spot” for age at first calving was 23 or 24 months.
Source: Hoard’s Dairyman, February 25, 2019. Link.
I have convinced myself after five years of looking at this that there is nothing that will give you more milk than your age at first calving. Nothing,” Holt stressed.
INSIGHTS: Great information to share with dairy clients. Their own data should tell a similar story.