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 10.16
Milk (kg) -168.00 -0.014 2.35
Fat (kg) -10.17 -0.375 3.81
Prot (kg) -9.06 -0.441 4.00
Fertility Sub Index -0.82
Calving Interval (days) 0.22 -1.459 -0.32
Survival (%) -0.45 1.117 -0.50
Calving Sub Index 0.40
Gestation Length (days) -0.44 -0.919 0.40
Beef Sub Index 3.57
Carcass Weight (kg) -4.90 -0.528 2.58
Age of Slaughter (days) -2.29 -0.432 0.99
Maintenance Sub Index Maint. Sub Index 4.81
Live WT (kg) -15.70 -0.307 4.81
Total Carbon Sub Index 18.12

* Based on an €80/tonne carbon price