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 2.03
Milk (kg) -14.00 -0.014 0.20
Fat (kg) -2.70 -0.375 1.01
Prot (kg) -1.87 -0.441 0.83
Fertility Sub Index 3.06
Calving Interval (days) -1.20 -1.459 1.75
Survival (%) 1.17 1.117 1.31
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index -0.23
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 5.17 -0.432 -2.23
Maintenance Sub Index Maint. Sub Index 6.04
Live WT (kg) -19.70 -0.307 6.04
Total Carbon Sub Index 13.74

* Based on an €80/tonne carbon price