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 6.10
Milk (kg) -74.00 -0.014 1.04
Fat (kg) -4.12 -0.375 1.54
Prot (kg) -7.97 -0.441 3.52
Fertility Sub Index -11.02
Calving Interval (days) 5.58 -1.459 -8.14
Survival (%) -2.58 1.117 -2.88
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.10
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 1.33 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 1.20
Live WT (kg) -3.90 -0.307 1.20
Total Carbon Sub Index -4.39

* Based on an €80/tonne carbon price