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 13.14
Milk (kg) -225.00 -0.014 3.15
Fat (kg) -12.80 -0.375 4.79
Prot (kg) -11.77 -0.441 5.19
Fertility Sub Index 4.11
Calving Interval (days) -2.11 -1.459 3.08
Survival (%) 0.92 1.117 1.03
Calving Sub Index 0.29
Gestation Length (days) -0.32 -0.919 0.29
Beef Sub Index -0.23
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 4.07 -0.432 -1.76
Maintenance Sub Index Maint. Sub Index 3.80
Live WT (kg) -12.40 -0.307 3.80
Total Carbon Sub Index 21.12

* Based on an €80/tonne carbon price