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 6.13
Milk (kg) -170.00 -0.014 2.38
Fat (kg) -6.86 -0.375 2.57
Prot (kg) -2.68 -0.441 1.18
Fertility Sub Index 0.21
Calving Interval (days) 0.25 -1.459 -0.36
Survival (%) 0.51 1.117 0.57
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.09
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 0.53 -0.432 -0.23
Maintenance Sub Index Maint. Sub Index 3.62
Live WT (kg) -11.80 -0.307 3.62
Total Carbon Sub Index 14.74

* Based on an €80/tonne carbon price