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 4.28
Milk (kg) -84.00 -0.014 1.18
Fat (kg) -4.14 -0.375 1.55
Prot (kg) -3.51 -0.441 1.55
Fertility Sub Index -12.22
Calving Interval (days) 6.57 -1.459 -9.59
Survival (%) -2.36 1.117 -2.64
Calving Sub Index 1.22
Gestation Length (days) -1.33 -0.919 1.22
Beef Sub Index -0.22
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 1.62 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index -4.90

* Based on an €80/tonne carbon price