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 5.04
Milk (kg) -41.00 -0.014 0.57
Fat (kg) -4.22 -0.375 1.58
Prot (kg) -6.54 -0.441 2.89
Fertility Sub Index -11.33
Calving Interval (days) 6.41 -1.459 -9.35
Survival (%) -1.77 1.117 -1.98
Calving Sub Index 1.15
Gestation Length (days) -1.25 -0.919 1.15
Beef Sub Index -0.97
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) 2.73 -0.432 -1.18
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index -4.20

* Based on an €80/tonne carbon price