Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 2.92
Milk (kg) -74.00 -0.014 1.04
Fat (kg) -3.39 -0.375 1.27
Prot (kg) -1.40 -0.441 0.62
Fertility Sub Index -0.70
Calving Interval (days) 1.32 -1.459 -1.93
Survival (%) 1.10 1.117 1.23
Calving Sub Index -0.58
Gestation Length (days) 0.63 -0.919 -0.58
Beef Sub Index -1.48
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 7.46 -0.432 -3.22
Maintenance Sub Index Maint. Sub Index 6.41
Live WT (kg) -20.90 -0.307 6.41
Total Carbon Sub Index 6.58

* Based on an €80/tonne carbon price