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 2.88
Milk (kg) -94.00 -0.014 1.32
Fat (kg) -1.50 -0.375 0.56
Prot (kg) -2.26 -0.441 1.00
Fertility Sub Index -15.38
Calving Interval (days) 7.74 -1.459 -11.29
Survival (%) -3.66 1.117 -4.09
Calving Sub Index 0.86
Gestation Length (days) -0.94 -0.919 0.86
Beef Sub Index -0.31
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 4.14 -0.432 -1.79
Maintenance Sub Index Maint. Sub Index 0.28
Live WT (kg) -0.90 -0.307 0.28
Total Carbon Sub Index -11.68

* Based on an €80/tonne carbon price