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 4.26
Milk (kg) -56.00 -0.014 0.78
Fat (kg) -3.82 -0.375 1.43
Prot (kg) -4.63 -0.441 2.04
Fertility Sub Index -6.22
Calving Interval (days) 3.06 -1.459 -4.46
Survival (%) -1.57 1.117 -1.75
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.20
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 2.66 -0.432 -1.15
Maintenance Sub Index Maint. Sub Index 1.04
Live WT (kg) -3.40 -0.307 1.04
Total Carbon Sub Index -1.67

* Based on an €80/tonne carbon price