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 10.60
Milk (kg) -218.00 -0.014 3.05
Fat (kg) -8.12 -0.375 3.04
Prot (kg) -10.22 -0.441 4.51
Fertility Sub Index -2.01
Calving Interval (days) -0.18 -1.459 0.26
Survival (%) -2.03 1.117 -2.27
Calving Sub Index 1.06
Gestation Length (days) -1.15 -0.919 1.06
Beef Sub Index 0.14
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 2.74 -0.432 -1.18
Maintenance Sub Index Maint. Sub Index 3.83
Live WT (kg) -12.50 -0.307 3.83
Total Carbon Sub Index 13.62

* Based on an €80/tonne carbon price