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 12.36
Milk (kg) -228.00 -0.014 3.19
Fat (kg) -12.22 -0.375 4.58
Prot (kg) -10.41 -0.441 4.59
Fertility Sub Index -0.41
Calving Interval (days) -0.57 -1.459 0.83
Survival (%) -1.11 1.117 -1.24
Calving Sub Index 1.29
Gestation Length (days) -1.40 -0.919 1.29
Beef Sub Index 2.62
Carcass Weight (kg) -5.40 -0.528 2.85
Age of Slaughter (days) 0.52 -0.432 -0.22
Maintenance Sub Index Maint. Sub Index 3.80
Live WT (kg) -12.40 -0.307 3.80
Total Carbon Sub Index 19.67

* Based on an €80/tonne carbon price