Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 6.08
Milk (kg) -87.00 -0.014 1.22
Fat (kg) -9.83 -0.375 3.68
Prot (kg) -2.67 -0.441 1.18
Fertility Sub Index -3.71
Calving Interval (days) 1.89 -1.459 -2.76
Survival (%) -0.85 1.117 -0.95
Calving Sub Index 2.72
Gestation Length (days) -2.96 -0.919 2.72
Beef Sub Index 0.13
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.78 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index 8.28

* Based on an €80/tonne carbon price