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 15.05
Milk (kg) -350.00 -0.014 4.90
Fat (kg) -13.49 -0.375 5.05
Prot (kg) -11.55 -0.441 5.10
Fertility Sub Index 1.19
Calving Interval (days) -0.94 -1.459 1.37
Survival (%) -0.16 1.117 -0.18
Calving Sub Index 1.44
Gestation Length (days) -1.57 -0.919 1.44
Beef Sub Index 0.18
Carcass Weight (kg) 1.50 -0.528 -0.79
Age of Slaughter (days) -2.25 -0.432 0.97
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 20.13

* Based on an €80/tonne carbon price