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 10.15
Milk (kg) -170.00 -0.014 2.38
Fat (kg) -13.81 -0.375 5.17
Prot (kg) -5.88 -0.441 2.60
Fertility Sub Index -0.23
Calving Interval (days) 0.11 -1.459 -0.16
Survival (%) -0.06 1.117 -0.07
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.55
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 0.08 -0.432 -0.03
Maintenance Sub Index Maint. Sub Index 5.30
Live WT (kg) -17.30 -0.307 5.30
Total Carbon Sub Index 20.46

* Based on an €80/tonne carbon price