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 1.83
Milk (kg) -2.00 -0.014 0.03
Fat (kg) -1.80 -0.375 0.67
Prot (kg) -2.55 -0.441 1.13
Fertility Sub Index -7.45
Calving Interval (days) 3.71 -1.459 -5.41
Survival (%) -1.82 1.117 -2.03
Calving Sub Index -0.19
Gestation Length (days) 0.21 -0.919 -0.19
Beef Sub Index 0.21
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 2.08 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 1.93
Live WT (kg) -6.30 -0.307 1.93
Total Carbon Sub Index -3.67

* Based on an €80/tonne carbon price