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 7.77
Milk (kg) -2.00 -0.014 0.03
Fat (kg) -10.92 -0.375 4.09
Prot (kg) -8.28 -0.441 3.65
Fertility Sub Index -5.15
Calving Interval (days) 3.58 -1.459 -5.22
Survival (%) 0.07 1.117 0.08
Calving Sub Index 0.81
Gestation Length (days) -0.88 -0.919 0.81
Beef Sub Index -1.24
Carcass Weight (kg) 1.00 -0.528 -0.53
Age of Slaughter (days) 1.64 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 2.45
Live WT (kg) -8.00 -0.307 2.45
Total Carbon Sub Index 4.66

* Based on an €80/tonne carbon price