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 17.06
Milk (kg) -405.00 -0.014 5.67
Fat (kg) -14.69 -0.375 5.50
Prot (kg) -13.34 -0.441 5.89
Fertility Sub Index 0.01
Calving Interval (days) -0.89 -1.459 1.30
Survival (%) -1.15 1.117 -1.28
Calving Sub Index 1.60
Gestation Length (days) -1.74 -0.919 1.60
Beef Sub Index 2.33
Carcass Weight (kg) -5.00 -0.528 2.64
Age of Slaughter (days) 0.72 -0.432 -0.31
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index 24.06

* Based on an €80/tonne carbon price