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 3.43
Milk (kg) -84.00 -0.014 1.18
Fat (kg) -2.84 -0.375 1.06
Prot (kg) -2.70 -0.441 1.19
Fertility Sub Index 1.20
Calving Interval (days) -0.27 -1.459 0.39
Survival (%) 0.72 1.117 0.80
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 3.00
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) -2.80 -0.432 1.21
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 17.58

* Based on an €80/tonne carbon price