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 2.93
Milk (kg) -25.00 -0.014 0.35
Fat (kg) -3.74 -0.375 1.40
Prot (kg) -2.67 -0.441 1.18
Fertility Sub Index -0.93
Calving Interval (days) -0.11 -1.459 0.16
Survival (%) -0.98 1.117 -1.09
Calving Sub Index 2.33
Gestation Length (days) -2.53 -0.919 2.33
Beef Sub Index -0.27
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) 0.26 -0.432 -0.11
Maintenance Sub Index Maint. Sub Index -1.99
Live WT (kg) 6.50 -0.307 -1.99
Total Carbon Sub Index 2.05

* Based on an €80/tonne carbon price