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 -0.15
Milk (kg) 13.00 -0.014 -0.18
Fat (kg) -1.08 -0.375 0.40
Prot (kg) 0.84 -0.441 -0.37
Fertility Sub Index -1.64
Calving Interval (days) 0.69 -1.459 -1.01
Survival (%) -0.57 1.117 -0.64
Calving Sub Index -2.23
Gestation Length (days) 2.43 -0.919 -2.23
Beef Sub Index -1.32
Carcass Weight (kg) 6.10 -0.528 -3.22
Age of Slaughter (days) -4.39 -0.432 1.90
Maintenance Sub Index Maint. Sub Index -4.87
Live WT (kg) 15.90 -0.307 -4.87
Total Carbon Sub Index -10.22

* Based on an €80/tonne carbon price