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 4.46
Milk (kg) -13.00 -0.014 0.18
Fat (kg) -5.49 -0.375 2.06
Prot (kg) -5.03 -0.441 2.22
Fertility Sub Index -13.18
Calving Interval (days) 6.78 -1.459 -9.89
Survival (%) -2.94 1.117 -3.28
Calving Sub Index 0.77
Gestation Length (days) -0.84 -0.919 0.77
Beef Sub Index -0.22
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 2.59 -0.432 -1.12
Maintenance Sub Index Maint. Sub Index 0.18
Live WT (kg) -0.60 -0.307 0.18
Total Carbon Sub Index -7.98

* Based on an €80/tonne carbon price