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 12.70
Milk (kg) -245.00 -0.014 3.43
Fat (kg) -12.01 -0.375 4.50
Prot (kg) -10.81 -0.441 4.77
Fertility Sub Index 3.00
Calving Interval (days) -2.11 -1.459 3.08
Survival (%) -0.07 1.117 -0.08
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.15
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 3.31 -0.432 -1.43
Maintenance Sub Index Maint. Sub Index 5.09
Live WT (kg) -16.60 -0.307 5.09
Total Carbon Sub Index 24.63

* Based on an €80/tonne carbon price