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 4.28
Milk (kg) -174.00 -0.014 2.44
Fat (kg) 0.29 -0.375 -0.11
Prot (kg) -4.43 -0.441 1.96
Fertility Sub Index 4.03
Calving Interval (days) -1.57 -1.459 2.29
Survival (%) 1.56 1.117 1.74
Calving Sub Index 0.74
Gestation Length (days) -0.81 -0.919 0.74
Beef Sub Index -1.98
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 8.62 -0.432 -3.72
Maintenance Sub Index Maint. Sub Index 6.90
Live WT (kg) -22.50 -0.307 6.90
Total Carbon Sub Index 13.97

* Based on an €80/tonne carbon price