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 7.79
Milk (kg) -175.00 -0.014 2.45
Fat (kg) -3.57 -0.375 1.34
Prot (kg) -9.08 -0.441 4.01
Fertility Sub Index -1.24
Calving Interval (days) 0.20 -1.459 -0.29
Survival (%) -0.85 1.117 -0.95
Calving Sub Index 0.65
Gestation Length (days) -0.71 -0.919 0.65
Beef Sub Index 0.22
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 4.49 -0.432 -1.94
Maintenance Sub Index Maint. Sub Index 4.29
Live WT (kg) -14.00 -0.307 4.29
Total Carbon Sub Index 11.72

* Based on an €80/tonne carbon price