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 7.25
Milk (kg) -75.00 -0.014 1.05
Fat (kg) -7.20 -0.375 2.70
Prot (kg) -7.93 -0.441 3.50
Fertility Sub Index -11.74
Calving Interval (days) 6.21 -1.459 -9.06
Survival (%) -2.40 1.117 -2.68
Calving Sub Index 1.50
Gestation Length (days) -1.63 -0.919 1.50
Beef Sub Index -1.37
Carcass Weight (kg) 1.10 -0.528 -0.58
Age of Slaughter (days) 1.83 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 0.21
Live WT (kg) -0.70 -0.307 0.21
Total Carbon Sub Index -4.15

* Based on an €80/tonne carbon price