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 5.65
Milk (kg) -59.00 -0.014 0.83
Fat (kg) -8.68 -0.375 3.25
Prot (kg) -3.56 -0.441 1.57
Fertility Sub Index -0.71
Calving Interval (days) 0.53 -1.459 -0.77
Survival (%) 0.06 1.117 0.07
Calving Sub Index 2.53
Gestation Length (days) -2.75 -0.919 2.53
Beef Sub Index 2.59
Carcass Weight (kg) -6.20 -0.528 3.27
Age of Slaughter (days) 1.58 -0.432 -0.68
Maintenance Sub Index Maint. Sub Index 3.00
Live WT (kg) -9.80 -0.307 3.00
Total Carbon Sub Index 13.06

* Based on an €80/tonne carbon price