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 5.57
Milk (kg) -94.00 -0.014 1.32
Fat (kg) -4.19 -0.375 1.57
Prot (kg) -6.09 -0.441 2.69
Fertility Sub Index -4.53
Calving Interval (days) 2.11 -1.459 -3.08
Survival (%) -1.30 1.117 -1.45
Calving Sub Index -0.20
Gestation Length (days) 0.22 -0.919 -0.20
Beef Sub Index 0.16
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.08 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 1.29
Live WT (kg) -4.20 -0.307 1.29
Total Carbon Sub Index 2.28

* Based on an €80/tonne carbon price