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 28.33
Milk (kg) -645.00 -0.014 9.03
Fat (kg) -26.72 -0.375 10.01
Prot (kg) -21.06 -0.441 9.30
Fertility Sub Index -1.67
Calving Interval (days) 0.57 -1.459 -0.83
Survival (%) -0.75 1.117 -0.84
Calving Sub Index -1.33
Gestation Length (days) 1.45 -0.919 -1.33
Beef Sub Index -1.25
Carcass Weight (kg) 1.50 -0.528 -0.79
Age of Slaughter (days) 1.07 -0.432 -0.46
Maintenance Sub Index Maint. Sub Index 3.83
Live WT (kg) -12.50 -0.307 3.83
Total Carbon Sub Index 27.91

* Based on an €80/tonne carbon price